SCIENTIFIC ABSTRACT RYTOV, A.V. - RYTOV, S.M.
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SCIENTIFIC ABSTRACT
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-AGCESSIOU 1TR-; AP4020395 S/0006/64/060/003/0009/0017,
AUTHOR: Wtovv As V.
TITLE: Standards on,theodolites and levels
SOURCE: Geodeziya i kartografiya, no. 3, 1964, 9-17
TOPIC TAGS.- theodolitet level, land surveying, raar) n eying instrument
pi g, S.Urv
theodolite T05, theodolite Tl, theodolite T2, theodolite T5, theodolite TlOp
~~thoodolite T15, theodolite T20, theodolite T30, level N1, level N2, level NS21,
level 113, level NS3, level NS4, level I-IT, level NLS
ABSTRAGT: The author cited the need for standards of perPp nee and production
,of theodolites and levels to: 1) halt d cti n of obsoleteand poorly produced
10
.models 2) to standardize production,. 10touimprove production quality, 4) to.
make a more precise and convenient geodesic instrument Ad 5 expedite the.-.
to
development of instruments more in step with current technical and scientific
:advances. Reference was made to prior
work defining parameters and te hnic~Ll
c
demands. This work is contained in the publications: GOST: 10528-63
."Niveliry*. Tipy*. Osnovmy*ya pa~ametry*,i tekhnichaskiya trebovaniYa 110i GOST A
10529-63p
"Teodolity*. Tipy*. Osnovny*ye para-metryki tekhnicheekiye,,:trebovaniya.
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- --------- ---
USSR/Physics Heat radiation FD-3b48
Card 1/1 Pub. 153 17/23
Author Levin, M. L.; Rytov, S. M.
Title Thermal radiation of a thin rectilinear antenna
Periodical Zhur. tekh. fiz., 25, February 1955, 323-332
Abstract On the basis of the general theory of electrical fluctuations
(S. M. Rytov, Teoriya elektricheskikh fluktuatsiy i teplovogo,
izlucheniya [Thermal radiation etc.], Moscow, 1953)'and the
theory of thin antenna (M. A. Leontovich and M. L. Levin, ZhTF,
14, 481, 1944 and Izv. AN SSSR, Ser. fiz., 8, 157, 1944) the,
authors consider the thermal radiation of a thin cylindrical
straight conductor both.at nonresonant and at resonant frequen-
cies. They find the spectral intensities for density of ener
gy
flow and for total radiated power, and obtain an expression.for
the reduced.characteristic (diagram of directivity) of thermal
radiation; they also calculate the distribution of the fluctua-
tional.current along the:antenn;3 and its radiation resistance.
In conclusion they generalize all these results to.the case of a
conductor of variable cross section. Three references: e.g. M-L.
Levin, DANISSSR, 54, 599, 1916 arid Izv- AN SSSR, Ser. fiz., 11, 117,-,
1947-
Submitted October 8, 1954
ro \J,
-USSR/Pliysics Self-excited Thomson fluctuations FD-2966
Card 1/2 Pub. 146 7/28
Author Rytov, S. M.
Title FlUctuatfo-fi-s 'in self-excited oscillatory systems of the Thomson.
type. I
Periodical Zhur. eksp. i teor. fiz., 29, September 1955, 304-314
Abstract The author considers the fluctuations in amplitude and phase in
weakly nonlinear self-excited oscillatory systems which permit
the application of the method of small parameter in'the finding
of the periodic regime. In contrast to preceding investigations
(L. Pontryagin, A..Andronov, A. Vitt, ibid., 3, 165, 1933;-1- L.
Bershteyn, DAN SSSR, 20, 11 1938 and zh-rTF, 11, 305, 1941; P. I
Kuznetsov., R. L. Stratonovich, V. I. Tikhonov, DAN.SSSR, 97, 639,
1954; M. Ye. Zhabotinskiy, ZhETF, 26, 758, 1954),the present.:
writers do not employ the Einstein-Focker equations, but use the
symbolic differential equations fordescribing thefluctuations
of random functions and the methods of the correlational theory-
In the first part of the article the author considers'a system
with one degree of.freedom and for illustration of the method he
applies the general~theory to an.already earlier investigated
To
USSR/Physics Self-excited Thomson fluctuations FD-2967
Card 1/1 Pub 146 -8/28
Author Rytov, S-IM.
Title Fluctuations in.self-excited oscillatory systems of the Thomson
type. II
Periodical -328
Zhur. eksp. i teor. fiz., 29, September 1955, 315
Abstract The author applies the theory developed in part !.[see the pre-
ceding abstract]-to a non-autonomous system with one degree of
freedom. As an example he considers a tube oscillator entrapped
[zakhvachennyy] by a harmonic force. By the same.method he in-
vestigates a system with.two degrees of freedom, namely a tube,
oscillator connected to a circuit with high figure of merit-
fvysoko-dobrotnyy konturl, and_clarifies the influence of this
method of frequency stabi.lization upon fluctuations in amplitude
and phase. He shows how -the thermal fluctuations are taken into'
account in thegiventheory. Five references: e.g.~S- M. Rytovj
A. M. Prokhorov, M. Ye~. Zhabotiriskiy,.ibid., 15, 557 and 613, 1945;
V. I.Punimovich, Fluktuatsionayye.protsessy v radiopriyemnykh
ustroystvakh [Flucutational processes in radio receiver apparatusli,
Soviet Radio Press., Moscow., 1951
Institution Physical institute im. P. N. Lebedev, Academy of Sciences USSR
Submitted December 2, 1954
Y 77
-re, v
6SSR/Ph~sic's Wave Propagation ED-3335:
Card 1/1 Pub. 146 7/28
.Author Rytov, S. M.
Title Electromagnetic Properties of a Lamina Medium
.:Periodical Zhur. Eksp. i Teor. Fiz., 29, No 5, 605-616, 1955
Abstract A medium consisting of successive sufficiently thin lamina of
two isotropic substances exhibits towards electromagnetic waves
a behavior of a uniform, but anisotropic (single axis crystal)
matter. Effective permeability.tensors of such a crystal are
obtained~and limits of I-mina thickness are derived as related
to thematerial and to frequency parameters. Losses in the.
microlaminar structure and boundary conditions on its surface
are analyzed. Academician M. A. Leontovich is-thanked for, dis-
cussion. Twelve references including 9 foreign.
Institution Physics Institute im. Lebedev, Acad. Sci. USSR
Submitted June 9, 1954
sets, on the age' -like" tiaild ~&'n e
e
I!h
'field varies h.6-s-epArate
ons are.
anisotropy corresponds to '~Sta ~f' hj~ O~A symmetry
obtained for the effia6tive~Aaiitic eebostafits of the aty.6tal aeF..a-- function of the
parameters of both slabstdn6as and o1; t1w-landnar thickzzess. Co . ed are At~er-
nate layers of two solid substances and. alternate layers of solids and fluids,
Artificial findly laminated meeIia, uhich are easily producOd- but the pr
0
can be very dJXferent (a4lootropy of the propagation ELnd absorption velocities f r.
both compression and shft~ waves),, i" of known practical interest, in partimal
-for shock absorbers. (P-L&.Ubedeir Physics: Bwt,
4.
W, Rt KI,
/-
SUBJECT USSR PHYSICS .CARD 1/2 PA 1643
~AUTHOR RYTOV,S.M.
S.
TITLE 'TE71Fe Fluctuations in Distributed System
PERIODICAL Dokl.Akad Nauk,~110 faso-3, '3,71-374 (1956).
Issued: 2 956
Here the well-knownl1heorem by H.NYQUIST,',Phys.Rev.j2t~614 (1927); 2., 1.10
(1928) on the spectral intensity of the therL4al electric fluctuations in a
conductor is generaliied for distributed systems in which fluctuations are,
described by chance functions of time and space.:On this occasion we p Iass
from steady chance processes to homogeneous chance.fields which are isotropic
in accordance with the character of.the problem.,Next, the contents.of the
"flnetuation dissipation theorem" by KALLEN et,al. is discussed in short, and
the corresponding correlation matrix of the spectr al amplitudes has the form
C (W) i(a -a:?,") 6 (to CJ Here C(W)-(_h/4n)cth(tL4)/2G1) applies
J&j W jk kj,
and-G-kT is the temperature.,The,,matrix a. obeys certain symmetry relations.
1k,
By the application of,th6 notion of exter or fluctuation forces this.theorem
may be formulated also in a different manner. Also for that.case the correlation.
matrix of the spectral amplitudes is given.
17e~now pass on to the theorem itself. The fluctuations in a distributed-system
with the volume V are described by',a`.hqmogeneoua Ichance field I (tvl and1or
reasons of simplicity a onedimension I fi ld Ge eraliza-
(e -0 Is Investigated h6re. , n
tion for the system of the fields t,r) is hot difficult. The
------------- ----------
109-8- 16/17
AUTHOR:Rytov, S.M.
:TITLE: Gabriel gemenovich Gorelik. An Obituary.
(Gabriel' Semenovich Gorelik)
PERIODICAL: Radiotekhnika i Elektronika, 1957, Vof'.Ht Nr 8,
pp*1083 1085 (USSR)
ABSTBACT: G. S. Gorelik lost,his,life in an unfortunateaccident
on 27th June, 1957. 'He was one of the most outs tanding
Soviet physicists and.was known for.-his:investigations in
the field of the theory of obeillations,,radio physicst._
optics, acoustics and also for his long and brilliant
edagogic activity. G- S., Gorelik was born on the 8th.
E
ecember 1906 in the f ;L ~11 y of a pliysicil.He received
his higher education at the Moscow State Lversity: where
lie graduated in theoretical physics in' 1929'. In 1934:he
received the degree of Dr'. ofPhysical Sciences at the same
University. Duri% 1935-1937 he worked at the Physical:~
Technical Research1nstitute in Gorki7. Since 1939 he had
the position.of Professor and Dean of the Faculty. of Pfi~si6s
at the Go:~* State University and he live,d..in GorW until,,.
1953. He is the' author of a number.of original scientific
Car d' 1/2
9 YF
AUTHOR: Rytov, S.M. 109-11-7/8
TITIE, Development of the Theory of Bon--linea-.Oscillations in the
USSR (Razvi-tiye teorii nelineynykh kolebaniy v SSSR),
PERIODICAL: Radiotekhnika i Elektronika, 195T, Vol.:II, No.11
po. 1435-1450 (USSR3.
n
ABSTRACT: The no -linear theory of oscillations which was originated.-,
by Poincare' has since been developed intensively 'in the~Soviet~.
Union by a number of outstanding scientists, such asL.I.
Mandel'shtam and A.A. And-ronov. The 'theory is based on the
four princip-al methods: quantitative theory of the
Poincare differential equations which gives geometrical rep_
resentation of the motion of dynamic systems, in particular.)
their limit cycles; 2) the small parameter method which was.~,
originated by Euler and Lagrange, developed by Poincar4 and
employed in practice by van der Pol; 3) the method of the
investigation of stable states and periodic oscillations,and..
4) the method of broken-line approximation of.non-linear
characteristics. The second method was used in the Soviet
Union to investigate the problem of forced synchronisation
in simple oscillators. L.I. Mandel'shtam and N.D. Papaleksi
studied the "Periodic Solutions of the Second Kind" and
concluded that. in a regenerative system, it is possible to
Cardl/3
109-11-7/8
Development of the Theory of Bon-linear oscillations in the USS.R.
excite oscillations having the frequency of n-th sub-harmonic.
They also devel
oped the theory of the parametric generation,6f"
oscillations. The conditions of self-excitation in the systems
with parametric variables were studied by G.S. Gorelik and
S.B. Strelkov. The study of small non-linearities was originated
by Mandellshtam and later generalised to include systems with",,,
large non-linearities. The problem of relaxation oscillations,:-
was first studied by Mandellshtam and Papaleksi and, since then,
a large number.of works dealing with various aspects of the
problem have been published. The qualitative, theory of,non-
linear, differential equations was given by Andronov and
Pontryagin; the school founded by A.A. AndronoV in Gorki:has,
since investigated this field very extensively. Andronov
proposed also,a. new scientific theory, the so-called "general
dynamics of machines" which classifies the.Machines and analyse s
their functioning in very general terms. This theory is of,
particular importance in'the field of automatic.control, where
the non-linear problems are Darticula:i?lZ~ relevant and where
they become very complicated. ~ndronov and is schoolhav.e..
also investigated the nyquist criterion and have introduced a
nevr approach to.,the problem of stability. Another field of the,
.Card2/3 non-linear theorywhich was investigated by I.L. Bershteynis..
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7"
V~!
- Crt
AUTHOR: Hytov, S.M.
--------------------
T IT LE: Note on the Correlation Theory.of Raleigh Scattering of Light
(Korrelyatsionnaya teoriyalbld3~evskogo, rasseyaniya sve.ta)
PERIODICAL: Zhurnal Ue~e;im. i Teoret.Piziki, 1957, Vol. 33, Nr2(8) PP-514-524
(USSR)
ABSTRACT: At the beginning the author deals shortly with the well known
tral solution of the problem of scattering of a plane monochromatic
wave on weak,optical inhomogeneities otthe me44um.The problem is'.
reduced, therefore, to the computation of theRq intensities,o,f,
the four components of the tensor~c,,S. The tensor r,a here*denotes
the small :fluctuations of the dielectricity. constant: eo6a3+4SWI-)
Because the fluctuations are very small, the relation-of f +with ,
as,
the fluctuation deformations,with the quantit =-,Q Q0 (Qo-
y ua AU
deno ng the deviation of density from its equiligrium value) and
withy. T/To (T denoting the temperature, To the equilibrium valuo
of temperature) islinear. In the case of,spectral amplitudes this
relationship is purely *ebraic according to the a IaIsumptiIonsIIf
certain coefficients as.well asthe mechanical and thermal-parame-
ters of the medium do not show dispersion-(and therefore-are' .real),
the relation given here holds also for the quantities..which-were
not analyzed spectrally. The determination of the -spectal intensit-.
ies of.the scattered light is reduced to the ascertainment of the
Card.1/2 Aq intensities for the fluctuations~of,the deformations and the
- - ---- --------
Note on the Correlation Theory of Raleigh Scattering of Light. 56-12-28/47
temperature. Here the author employs a former solution of the pro-
blem. The finite width of the maxima of both doubletts.is connected
with the dispersion of the parameters..of the,medium. At the abs,en-
ce of losses.these maxima are transformed to discrete lines. The.
dispersion of the parameters leads to the existence of a widespread
continuous background, the distrib-dtion of which depends on the:..,
dispersion laws.
For the integral intensity of the isotropical part of the scattered-
light an expression is given. Finally the case of a liquid with,a
low viscosity is considered. There are no reference and I table..,~,
ASSOCIATION: Physics Institute imeni P.N.Lebedev, AN.of the USSR (Fizicheskiy
-i
natitut im.P.N.Lebedeva AN SSSR)
SUBMITTED: March 2, 1957
AVAILABLE Library of Congress
2/2
AUTHOR: Rytov, S.M. 56-3-19/59
TITLE: Correlation Theory of Rayleigh Scattering of Light. Il.
(Korrelyatsionnaya teoriya releyevskogo rasseyaniya svets II)
PERIODICAL:
r
Zhurnal Ekspe im. i Teoret. Fiziki,'1957, Vol- 33, Rr 3,
pp. 669-682 (USSR)
ABSTRACT: The following problems ate discussed and solved theoretically:
a),Integral intensity of the component Ij~ (formation of problem
and solution.)
b) Anisotropic scattering. Notes tothe theory of~M.A.Leontovich.
Spectral intensity of the "displaced" flank
c
d Integral intensity of anisotropic scattering.
j
The integral intensity of the microstructure component of the
isotropically scattered #art of light is~ given for a medium
with small heat losses and for a certain concretizing of dispersion,-
laws. As regards-anisotropic scattering the simple dispersionlaiya
are shown which swjpp~y a satisfactory approximation of.the intensity.
distribution observed at Rayleigh's:flank..Farthermore,,approximation..
formulae for the coefficient of deplorization,of.Rqkigh's
scatteringlare-given. There are 1 figure and 8 Slavib references.
ASSOCIATION: Physical Institute imeni P.N.Lebedev -AN USSR (Fizicheskiy institut,
imeni P.N.Lebedeva Akademii nauk SSSR)
Card i*
09
AUTHOR R)ITOV, S.M. .56-7-24/66
TITLE 'The Correlation Theory of Thermal Fluctuations in an Isotropic Medium
(Korrelyatsionnaya teoriya.teplovykh fluktuatsiy.v izotropnoy srade,
Russian)
PERIODICAL Zhurnal Eksperim. i Teoret. Fiziki, 1957, Vol 33, Nr 7, pp 166 178
(U.S.S.R.)
ABSTRACT The theory developed here does not give concrete data concerning them
mechanism of.the dispersion and is of, a purely phenomenological charac-
ter. The results obtained may, ctove all, beapplied directly tothe
-spectral theory of RALEIGH'S scattering of light.
The initial equations: The author here confines himself to an isotropic
medium, the mechanical properties of which can be expressed by the
scalarcoefficients of heat conductivity and of thermal expansion. All
these parameters of the medium are functions of the.frequency 6) and
are generally complex. The deviations from the.thermodynaiaical.state
of equilibrium of this medium can, in.the case of the known restrictions,
be described byA further parameter. In the case of lacking dispersion
all equations given here are true for the spectrally not decomposed
quantities, and thermodynamics then enters into force. The..next chapter.
gives general formulae,for'the.correlation.functions and for the spectral,
'Card 1/2 intensities. Now the author deals with the thermal fluctuations inan
---- - -- --- --- - ------
5&7-24/66
The Correlation Theory of Thermal Fluctuations in an Isotropic Medium
elastic-viscous mediums
The spectral intensities of foreign forces:,The spectral equations.
given formerly are heretransformed by the introduction.of foreign
forces. The foreign momentum is equal to zero. In the following chapters
the spectral Wk-inten.5ities of the tensions and of the temperat-ure as
well as the spectral Wk-intensities of the velocity and of the defor-
mations are derived.
Spectral correlation: The corresponding 0 -intensities can be computed..,:~
with the help of the W k-intensities, which then give the spatial
correlation of the orders to be investigated with respect-to the fre-
quency CA) By means of a further fo.rmala the correlation functions
of the spectrally pot decomposed quantities can be determined.
(No illustrations).
ASSOCIATION Physical Institute "P.N. Lebedev" of the Academy of Sciences of the
U.S.S.R. (Fizicheskiy institut im. P.N.Lebedeva Akademii nauk SSSR)
FRESENTED BY
SUBMITTED 29.12.1956,
AVAILABIE Library of Congress
Card 2/2
AUTHOR: Ry t ov, S. 53-4-8/10
TITLE: In Memory of G. 8. Gorelik (PaWati G. S. Gorelika)
PERIODICAL: Uspekhi Fiz. Nauk, 1957, Vol._62, Nr 4, PP. 485-496 (ussR)
ABSTRACT: On June 27th Gabriel Semenovich Gorelik,:one of the most.
prominent Soviet physicists, died by a tragic accident. He
Vlas well known on account of his investigations on.the.theory
Of oscillations, on radio physics, optics and acoustics aswell
as on account of his excellent pedagogical activity of many
years. G. S. Gorelik was born.in 1906 at Paris, where his
father studied at that time. In 1923 he.began his studies at
~the mathematical-physical faculty of Moscow university and,
influenced by L. I. Mandellshtam, he turned to1heoretical
physics, also as an aspirant he worked under Mandel'shtam.
Then beginning to works as an aspirant (1930), he began
teaching. From 1934 to 1938 hedelivered lectures on the.
theory of oscillations. During this time fie finished seven
further scientific investigations on the theory of oscillations.
From 1935 to 1937 he worked at the physical-technical research
institute at Gorlkiy. In,1938 he took over the chair for
general:physics at~Gorlkiy, where he lived till 1953-During
Card 1/2 his stay at Gortkiy he wrote more than 20 scientific treatises
in Memory of G. S. Gorelik, 53-4-6/10
on various problems.of the theory of oscillations,
magnetism, theory of automatic control, radiophysics and
optics. When delivering his excellent lectures, he always
endeavored to combine the."classical" and-the "modern".
His pedagogical talent expressed itself in his capability,
to train scientific workers.and to form congenial collectives.
During tilt war he carried out important commissions for,
collubructiort offices working at Gorl.kiy. In the years~after
the war Gorelik took.part in the development of the theory
of the nonlinear oscillations..Gorelik developed an individual,
direction which may be described as an investigation of the
properties of matter and radiation by means of oscillation
methods and mainly radiophysical methods.
In June 1953 he was offered the professorial chair at the
Moscow physical-technical institute. Further details of his
activities are discussed.
There are 1 figure and 64 references, 60 of which are Slavic.
All 6t+* references are scientific works by Gorelik.
AVAILABLE: Library of Congress
Card 2/2
-776~V S
-AUTHOR: Ry-tov, S. M. 53-41w-2/11
TITLE: The Correlation Theory of Electric Fluctuations and of Thermal
Radiation (Korrelyatsionnaya teoriya elektricheskikh fluktuats.iy
i teplovogo izlucheniya).
PERIODICAL: Uspekhi Fizicheskikh Nauk, 1957, Vol. 63, Nr 4, pp. 657-672 (USSR)*
ABSTRACT: The present survey is arranged as follows. Introduction, fluctua-
tion dissipation theorem for distributed systems, application to
an electromagnetic field in a homogeneous medium, general charac.-
teristic of the theory, the case of bodies with good conductivity,
some results of the application of the theory (radiation into the
free space, radiation in lines and spatial resonators), application.,
of the principle of reciprocity, the thermal electromagnetic field
nearradiating bodies, the phenomena of interference in thermal
radiation, thermal radiation in anisotropic media.
There are 5 figures, and 31 references, 21 of which areSlavic.
AVAILABLE: Library of Congress.
Card 1/1,
(Probabilities)
21(g),24(0) PHASE I BOOK EXPLOITATIO' SOV/3~
Akademiye. nauk SSSR. PIzIcneakiy ln3tjtut
lasledovanlya po ak3perlmentallnoy~l teorez-cnes~coy fizike; f3bornL-j
(Studios on Experlaidnt s'l and Theoretical PnY3'-CS; Collect-on or Z.
krtician) Moscow, Ixd-vo AN SSSR, 1959. 304 P. Errata all p
Inserted. 2,300 copies printed.
2d.t 1. L. Fabelln kly, Doctor or Physical- and MAthematicAl 541-
ancts; Rds. of ;:bllahing H-une; A. L. Chernyak and V. 0. Barkgaut,
Tech. Rd.; Yu. V. Ryllfta; Commission for Publishing the Collection
In Memory of OrigorLya SamuLLovIch Land3berg: 1. Ye. Tamm
(Chairman), Academician; 9. A. Lowntov4ch, Academician;
P. A. Bazhulln, Doctor or Physical anzi xatnemaztcai sciences,
S. L. Mandellshtam, Doctor or Phystcal and Katnematlcal Sciences;
I. L. Pabelinskly, Doctor of Physical and Mathematical Sciences;
F. S. Landabarg-Baryshanskayal Candidate of Physical and Math-
smatical Sciences; and 0. P. MotulevLeh (Secretary), Candidate of
Physical and Mathazatical Sciences.
PURPOSI; I This book is Intended ror.phyalct3ts and researchers
snZaged In the study of electromagnetic radiations and their rol.
%'14yeat Igat Ing zhe,ptr4ctura. and composition or mstertais.
COVERAGE: The collection contain- 30 Aft%claB whic
Investigations In spectroscopy, 3onLca, molecular optLas, semL
conductor physical nuclear physics, and other branches or
physics: The Introductory chapter gives a bLograpnLcal prortL*
or 0. 3 Landabarg, Professor and Head of, tne Department of
Optica of the Division of'Physicia Technology at Moscow Unt-
varsity, and reviews his work In Rayleigh scattering, combat
e'.. gasilep spectral anaLysisor cetals,, sze. No personalities are
mentioned. Rarereaces accompmLy eata article.
S. Kinetl a of the Action or Light Ganes on tne
me Abs0rptCLQn Spectra or, Vapors, of Aromatic Coa-
l..... t., or
pounds 149
Obrelmov, 1. V. and V!q,-A-3tskhm--* The R*%12t&nC* or nice
-----0-=tXW-AIong the Cleavage Plans 159
Rytov-a-Ljl.~- The Correlation rheory or Rayleigh Light 3cat-
175
Sobel$mam 1. 1. The Quantum Mechanics Theory of the Intensity
4--or-Ed, a --s-stteri., Line,
-a 192
SuahchISqkIy_)!.-~P, Depandeney of the Width of Combined-
g-oaftsring fines or. the AnLsotropy.of a Derived
Polarizabillty Tensor 211
Tame, 1. Y*- Present State or the Theory ~or Weak Interactions
?articles 218
-'Tu*rT~!R L. A.'and B. A..Chayanov. The Illumination of
Diiiectriew In High Voltig a- c Electric Fields 23
Ukholin, S. A.,and M. Z-Erunl4m. Xnvoatlgatlon of Cc=b1ne4
'=EKt--5Fitt*rIng-7S-p"tra in 11202-H20 and H202-Dioxane.
Solutions 244
PabelInskly, I. L
Wt;107 The Thin Structure of Unts of' Rayleigh
in cases 254
The Role or the Group Speed or, Light In IrraOin.
tion in a Refractive Medium 261
S. E., and 1. P. Dogdanova Excitation ofSpectral Lines
-tylaln the-Negative =Gia'Eron or a Gan Discharge 2T5
Prim hbtra. ~A-A and_Y--7--A*d1&r-.~ The Possibility of,
the sensitivity or the Spectral Determination
or Some glamentp. 2&1
Shpqj!Bk1V-JL-V. The Interpretation or Spectra or.Aroma t1c
Hydrocarbons in Frozen Crystalline Solutions .296
SOVJL~1-2-1-6/19
AUTHOR: Rytov S.M.
TITLE: The Soectrum. of a Quasiperiodic Random Process
PERIODICAL: Izvestiya vysshikh uchebnykh zavedeniy, Radioflzlka,:
19,59, Vol 2, Nr 1, pp 45 - 49 (USSR)
ABSTRACT: In Ref 1 (Ya.I. Khurgin), an expression*has already been,
found for the spectral density of the random pulse train.,.
of Eq (1)j in which the amplitude, duration and.occurrence
of the pulses are all independently random. The process
is stationary and the mean value dispersion and distri-
bution functions of pulse spacing and length are all known.
0
With modifications the same approach maybe used for the:.
strongly non-sinusoidal waveform in Figure 1. Here,-,the~
tive excursions are.the same and of
amplitudes of all posiu
all negative.excursions -,Te.the same. The durations of the
respective "half-waves'.' are randomly independent. The
process is described by Eqs (2) (3), whence it will be seen,
uration is
that in distinction from Eq (15,the pulse d
not independent of the puls,e-.spacing but, is. equal toi.it.
Introducin- the transform Eq (4), the spectral-densit
Cardl/2 y
m
SOV/142-2-1-21/22
The First All-Union Conference.on Statistical Radio Physics
is on a satisfactory level. Concerning the latter
problem, there is a lack- of scientific,papers,.and
the number of reports dealing with this subject,
was inadequate, even at this Conference. ~ The Con-,
ference participants heard with great interest the
latest research results in the field of;the sta-
-tistical theory of communication (theory of inform-',--
ation).contained in the report "The Theory of Radio
Communication Channels Having Parameters Changing
at, Random" by V.I. Siforov, Associate.of AS USSRY:
which wa'a delivered at the plenary session. I.L..
Bernshteyn (NIRFI, Gorlkiy) reviewed the develo
p
ment of statistical radio physics in his report,
titled."Fluctuation Phenomena in Self-Oscillator
Networks". Already in the mid-thirties,, by sug-
~gestion and under supervision of A.A. Andronov,
the author analyzed and calculated processes in an
ordinary vacuum tube-oscillato.ro-.c.onsidering the
fluctuation influence of the sho t effect inthe
Card 3/ tube and the thermal effect in'the network. Later,:'_,
SOV/142-2-1-21/22
The*First All-Union Conference on Statistical Radio Physics
b U
the problem of oscillator fluctuations became.im
U 'or the cm-wave range were,
portant, when receivers
built.,'In 1949, experimental investigations of the-,:',
oscillation fluctuation of an ordinary tube oscil-
lator laere conducted,at GIFTI (Gorlkiy). Recently't
a large number of papers were publ ished on this sub-
ject and the author mentioned in this connection
G.S. Gorelik, S.M. Rytov, D. Middleton,(USA), V.S-.
Troitskiy, A.N. Malakhova, M.Ye. Zhabotinskly and
P.Ye. Zill.berman. S.M. Rytov delivered the last
report at the plena7ry-session, titled "The Fluctu,-
ation Theory in Strictly ~Ton-Linear Self,-O.Scilla-.
tor Networks". In this report,,self-oscillating
networks were considered, permitting a.piece-linear
approximation of non-linear characteristics. Ran-
dom forces were assumed as being small and shortly
correlated. For simplicity, the theory was deve-
loped for the special case of a system with only,
one degree of freedom. The phase space of:the
Card 4/ P- system under consideration is a plane, divided into
57
SOV/1427-2-1-21/22
The First All-Union Conference on Statistical Radio Physics
ttto semiplanes which are, infinitely straight. Using,
-uations,
the point transformation method, small fluct
investigated in.the neighborhood of. a stable limit..
cycle. The statistical characteristic and the dif-.
fusion coefficient of the !Iphas;ell,were obtained.
Disregarding the llam~litudefl fluctuation, the self-.,
oscillation spectrum was obtained. The author.show-__~
ed t'hat the width of the lines at half.the intensity
level is propertional to the square of the harmonic
number, and also their integral intensity, whichis,
also the case during the absence of fluct-uations.
As an example, the author discussed a tube oscil-
with an anode network and inductive feedback.
The work of the three conference sect'
ions was con-
ducted.from 14 to 17 October 1958. The section
"Fl
uctuations in Self-Oscillator,.Radio Measuring
and Amplifier Networks" was headed by I.L. Bern-.
shteyn and S.M. Rytov..,"A.N. Malakhov (NIRPI, Gorl-
Iciy) delivered a report c~n~'Th~e8pe~ctral Line Wid th
Card 5/a-2 of Oscillators and the Parameter Fluctuation".
-AGCESSIOU 1TR-; AP4020395 S/0006/64/060/003/0009/0017,
AUTHOR: Wtovv As V.
TITLE: Standards on,theodolites and levels
SOURCE: Geodeziya i kartografiya, no. 3, 1964, 9-17
TOPIC TAGS.- theodolitet level, land surveying, raar) n eying instrument
pi g, S.Urv
theodolite T05, theodolite Tl, theodolite T2, theodolite T5, theodolite TlOp
~~thoodolite T15, theodolite T20, theodolite T30, level N1, level N2, level NS21,
level 113, level NS3, level NS4, level I-IT, level NLS
ABSTRAGT: The author cited the need for standards of perPp nee and production
,of theodolites and levels to: 1) halt d cti n of obsoleteand poorly produced
10
.models 2) to standardize production,. 10touimprove production quality, 4) to.
make a more precise and convenient geodesic instrument Ad 5 expedite the.-.
to
development of instruments more in step with current technical and scientific
:advances. Reference was made to prior
work defining parameters and te hnic~Ll
c
demands. This work is contained in the publications: GOST: 10528-63
."Niveliry*. Tipy*. Osnovmy*ya pa~ametry*,i tekhnichaskiya trebovaniYa 110i GOST A
10529-63p
"Teodolity*. Tipy*. Osnovny*ye para-metryki tekhnicheekiye,,:trebovaniya.
16rd 1/2
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24
- --------- ---
USSR/Physics Heat radiation FD-3b48
Card 1/1 Pub. 153 17/23
Author Levin, M. L.; Rytov, S. M.
Title Thermal radiation of a thin rectilinear antenna
Periodical Zhur. tekh. fiz., 25, February 1955, 323-332
Abstract On the basis of the general theory of electrical fluctuations
(S. M. Rytov, Teoriya elektricheskikh fluktuatsiy i teplovogo,
izlucheniya [Thermal radiation etc.], Moscow, 1953)'and the
theory of thin antenna (M. A. Leontovich and M. L. Levin, ZhTF,
14, 481, 1944 and Izv. AN SSSR, Ser. fiz., 8, 157, 1944) the,
authors consider the thermal radiation of a thin cylindrical
straight conductor both.at nonresonant and at resonant frequen-
cies. They find the spectral intensities for density of ener
gy
flow and for total radiated power, and obtain an expression.for
the reduced.characteristic (diagram of directivity) of thermal
radiation; they also calculate the distribution of the fluctua-
tional.current along the:antenn;3 and its radiation resistance.
In conclusion they generalize all these results to.the case of a
conductor of variable cross section. Three references: e.g. M-L.
Levin, DANISSSR, 54, 599, 1916 arid Izv- AN SSSR, Ser. fiz., 11, 117,-,
1947-
Submitted October 8, 1954
ro \J,
-USSR/Pliysics Self-excited Thomson fluctuations FD-2966
Card 1/2 Pub. 146 7/28
Author Rytov, S. M.
Title FlUctuatfo-fi-s 'in self-excited oscillatory systems of the Thomson.
type. I
Periodical Zhur. eksp. i teor. fiz., 29, September 1955, 304-314
Abstract The author considers the fluctuations in amplitude and phase in
weakly nonlinear self-excited oscillatory systems which permit
the application of the method of small parameter in'the finding
of the periodic regime. In contrast to preceding investigations
(L. Pontryagin, A..Andronov, A. Vitt, ibid., 3, 165, 1933;-1- L.
Bershteyn, DAN SSSR, 20, 11 1938 and zh-rTF, 11, 305, 1941; P. I
Kuznetsov., R. L. Stratonovich, V. I. Tikhonov, DAN.SSSR, 97, 639,
1954; M. Ye. Zhabotinskiy, ZhETF, 26, 758, 1954),the present.:
writers do not employ the Einstein-Focker equations, but use the
symbolic differential equations fordescribing thefluctuations
of random functions and the methods of the correlational theory-
In the first part of the article the author considers'a system
with one degree of.freedom and for illustration of the method he
applies the general~theory to an.already earlier investigated
To
USSR/Physics Self-excited Thomson fluctuations FD-2967
Card 1/1 Pub 146 -8/28
Author Rytov, S-IM.
Title Fluctuations in.self-excited oscillatory systems of the Thomson
type. II
Periodical -328
Zhur. eksp. i teor. fiz., 29, September 1955, 315
Abstract The author applies the theory developed in part !.[see the pre-
ceding abstract]-to a non-autonomous system with one degree of
freedom. As an example he considers a tube oscillator entrapped
[zakhvachennyy] by a harmonic force. By the same.method he in-
vestigates a system with.two degrees of freedom, namely a tube,
oscillator connected to a circuit with high figure of merit-
fvysoko-dobrotnyy konturl, and_clarifies the influence of this
method of frequency stabi.lization upon fluctuations in amplitude
and phase. He shows how -the thermal fluctuations are taken into'
account in thegiventheory. Five references: e.g.~S- M. Rytovj
A. M. Prokhorov, M. Ye~. Zhabotiriskiy,.ibid., 15, 557 and 613, 1945;
V. I.Punimovich, Fluktuatsionayye.protsessy v radiopriyemnykh
ustroystvakh [Flucutational processes in radio receiver apparatusli,
Soviet Radio Press., Moscow., 1951
Institution Physical institute im. P. N. Lebedev, Academy of Sciences USSR
Submitted December 2, 1954
Y 77
-re, v
6SSR/Ph~sic's Wave Propagation ED-3335:
Card 1/1 Pub. 146 7/28
.Author Rytov, S. M.
Title Electromagnetic Properties of a Lamina Medium
.:Periodical Zhur. Eksp. i Teor. Fiz., 29, No 5, 605-616, 1955
Abstract A medium consisting of successive sufficiently thin lamina of
two isotropic substances exhibits towards electromagnetic waves
a behavior of a uniform, but anisotropic (single axis crystal)
matter. Effective permeability.tensors of such a crystal are
obtained~and limits of I-mina thickness are derived as related
to thematerial and to frequency parameters. Losses in the.
microlaminar structure and boundary conditions on its surface
are analyzed. Academician M. A. Leontovich is-thanked for, dis-
cussion. Twelve references including 9 foreign.
Institution Physics Institute im. Lebedev, Acad. Sci. USSR
Submitted June 9, 1954
sets, on the age' -like" tiaild ~&'n e
e
I!h
'field varies h.6-s-epArate
ons are.
anisotropy corresponds to '~Sta ~f' hj~ O~A symmetry
obtained for the effia6tive~Aaiitic eebostafits of the aty.6tal aeF..a-- function of the
parameters of both slabstdn6as and o1; t1w-landnar thickzzess. Co . ed are At~er-
nate layers of two solid substances and. alternate layers of solids and fluids,
Artificial findly laminated meeIia, uhich are easily producOd- but the pr
0
can be very dJXferent (a4lootropy of the propagation ELnd absorption velocities f r.
both compression and shft~ waves),, i" of known practical interest, in partimal
-for shock absorbers. (P-L&.Ubedeir Physics: Bwt,
4.
W, Rt KI,
/-
SUBJECT USSR PHYSICS .CARD 1/2 PA 1643
~AUTHOR RYTOV,S.M.
S.
TITLE 'TE71Fe Fluctuations in Distributed System
PERIODICAL Dokl.Akad Nauk,~110 faso-3, '3,71-374 (1956).
Issued: 2 956
Here the well-knownl1heorem by H.NYQUIST,',Phys.Rev.j2t~614 (1927); 2., 1.10
(1928) on the spectral intensity of the therL4al electric fluctuations in a
conductor is generaliied for distributed systems in which fluctuations are,
described by chance functions of time and space.:On this occasion we p Iass
from steady chance processes to homogeneous chance.fields which are isotropic
in accordance with the character of.the problem.,Next, the contents.of the
"flnetuation dissipation theorem" by KALLEN et,al. is discussed in short, and
the corresponding correlation matrix of the spectr al amplitudes has the form
C (W) i(a -a:?,") 6 (to CJ Here C(W)-(_h/4n)cth(tL4)/2G1) applies
J&j W jk kj,
and-G-kT is the temperature.,The,,matrix a. obeys certain symmetry relations.
1k,
By the application of,th6 notion of exter or fluctuation forces this.theorem
may be formulated also in a different manner. Also for that.case the correlation.
matrix of the spectral amplitudes is given.
17e~now pass on to the theorem itself. The fluctuations in a distributed-system
with the volume V are described by',a`.hqmogeneoua Ichance field I (tvl and1or
reasons of simplicity a onedimension I fi ld Ge eraliza-
(e -0 Is Investigated h6re. , n
tion for the system of the fields t,r) is hot difficult. The
------------- ----------
109-8- 16/17
AUTHOR:Rytov, S.M.
:TITLE: Gabriel gemenovich Gorelik. An Obituary.
(Gabriel' Semenovich Gorelik)
PERIODICAL: Radiotekhnika i Elektronika, 1957, Vof'.Ht Nr 8,
pp*1083 1085 (USSR)
ABSTBACT: G. S. Gorelik lost,his,life in an unfortunateaccident
on 27th June, 1957. 'He was one of the most outs tanding
Soviet physicists and.was known for.-his:investigations in
the field of the theory of obeillations,,radio physicst._
optics, acoustics and also for his long and brilliant
edagogic activity. G- S., Gorelik was born on the 8th.
E
ecember 1906 in the f ;L ~11 y of a pliysicil.He received
his higher education at the Moscow State Lversity: where
lie graduated in theoretical physics in' 1929'. In 1934:he
received the degree of Dr'. ofPhysical Sciences at the same
University. Duri% 1935-1937 he worked at the Physical:~
Technical Research1nstitute in Gorki7. Since 1939 he had
the position.of Professor and Dean of the Faculty. of Pfi~si6s
at the Go:~* State University and he live,d..in GorW until,,.
1953. He is the' author of a number.of original scientific
Car d' 1/2
9 YF
AUTHOR: Rytov, S.M. 109-11-7/8
TITIE, Development of the Theory of Bon--linea-.Oscillations in the
USSR (Razvi-tiye teorii nelineynykh kolebaniy v SSSR),
PERIODICAL: Radiotekhnika i Elektronika, 195T, Vol.:II, No.11
po. 1435-1450 (USSR3.
n
ABSTRACT: The no -linear theory of oscillations which was originated.-,
by Poincare' has since been developed intensively 'in the~Soviet~.
Union by a number of outstanding scientists, such asL.I.
Mandel'shtam and A.A. And-ronov. The 'theory is based on the
four princip-al methods: quantitative theory of the
Poincare differential equations which gives geometrical rep_
resentation of the motion of dynamic systems, in particular.)
their limit cycles; 2) the small parameter method which was.~,
originated by Euler and Lagrange, developed by Poincar4 and
employed in practice by van der Pol; 3) the method of the
investigation of stable states and periodic oscillations,and..
4) the method of broken-line approximation of.non-linear
characteristics. The second method was used in the Soviet
Union to investigate the problem of forced synchronisation
in simple oscillators. L.I. Mandel'shtam and N.D. Papaleksi
studied the "Periodic Solutions of the Second Kind" and
concluded that. in a regenerative system, it is possible to
Cardl/3
109-11-7/8
Development of the Theory of Bon-linear oscillations in the USS.R.
excite oscillations having the frequency of n-th sub-harmonic.
They also devel
oped the theory of the parametric generation,6f"
oscillations. The conditions of self-excitation in the systems
with parametric variables were studied by G.S. Gorelik and
S.B. Strelkov. The study of small non-linearities was originated
by Mandellshtam and later generalised to include systems with",,,
large non-linearities. The problem of relaxation oscillations,:-
was first studied by Mandellshtam and Papaleksi and, since then,
a large number.of works dealing with various aspects of the
problem have been published. The qualitative, theory of,non-
linear, differential equations was given by Andronov and
Pontryagin; the school founded by A.A. AndronoV in Gorki:has,
since investigated this field very extensively. Andronov
proposed also,a. new scientific theory, the so-called "general
dynamics of machines" which classifies the.Machines and analyse s
their functioning in very general terms. This theory is of,
particular importance in'the field of automatic.control, where
the non-linear problems are Darticula:i?lZ~ relevant and where
they become very complicated. ~ndronov and is schoolhav.e..
also investigated the nyquist criterion and have introduced a
nevr approach to.,the problem of stability. Another field of the,
.Card2/3 non-linear theorywhich was investigated by I.L. Bershteynis..
"0
EATR
n
ZL; An
Or
0
it _
The so;wCM)d III wt!
re
m -C*;Lo
.
.
at a
ell"Idd AVA Mz*d t1to
iij Ir w
equency difi- "81o
pcfiseil~
.
r
It
Fourier dwo-optce 02PAMAtotts) were"il4tiatitaid tar strew,
Uw aid diin'tr,
deforwAtOon, vet3c1ty"tOzdOr;b
-
-
1
Umse equations Ike spectral -tatinsillid" (*
h,icb yle, 14 op
atiat c6rrel-
Won at a frequawy w)S as jolt ",U*.
ol quantities vhb,.b are not deconipe"d Spetiratil
CjLh be dalculaW
,
l
The results are itseful to t1te speetrat theory of Rayle~e Scanarfit
of ilgilt.
7"
V~!
- Crt
AUTHOR: Hytov, S.M.
--------------------
T IT LE: Note on the Correlation Theory.of Raleigh Scattering of Light
(Korrelyatsionnaya teoriyalbld3~evskogo, rasseyaniya sve.ta)
PERIODICAL: Zhurnal Ue~e;im. i Teoret.Piziki, 1957, Vol. 33, Nr2(8) PP-514-524
(USSR)
ABSTRACT: At the beginning the author deals shortly with the well known
tral solution of the problem of scattering of a plane monochromatic
wave on weak,optical inhomogeneities otthe me44um.The problem is'.
reduced, therefore, to the computation of theRq intensities,o,f,
the four components of the tensor~c,,S. The tensor r,a here*denotes
the small :fluctuations of the dielectricity. constant: eo6a3+4SWI-)
Because the fluctuations are very small, the relation-of f +with ,
as,
the fluctuation deformations,with the quantit =-,Q Q0 (Qo-
y ua AU
deno ng the deviation of density from its equiligrium value) and
withy. T/To (T denoting the temperature, To the equilibrium valuo
of temperature) islinear. In the case of,spectral amplitudes this
relationship is purely *ebraic according to the a IaIsumptiIonsIIf
certain coefficients as.well asthe mechanical and thermal-parame-
ters of the medium do not show dispersion-(and therefore-are' .real),
the relation given here holds also for the quantities..which-were
not analyzed spectrally. The determination of the -spectal intensit-.
ies of.the scattered light is reduced to the ascertainment of the
Card.1/2 Aq intensities for the fluctuations~of,the deformations and the
- - ---- --------
Note on the Correlation Theory of Raleigh Scattering of Light. 56-12-28/47
temperature. Here the author employs a former solution of the pro-
blem. The finite width of the maxima of both doubletts.is connected
with the dispersion of the parameters..of the,medium. At the abs,en-
ce of losses.these maxima are transformed to discrete lines. The.
dispersion of the parameters leads to the existence of a widespread
continuous background, the distrib-dtion of which depends on the:..,
dispersion laws.
For the integral intensity of the isotropical part of the scattered-
light an expression is given. Finally the case of a liquid with,a
low viscosity is considered. There are no reference and I table..,~,
ASSOCIATION: Physics Institute imeni P.N.Lebedev, AN.of the USSR (Fizicheskiy
-i
natitut im.P.N.Lebedeva AN SSSR)
SUBMITTED: March 2, 1957
AVAILABLE Library of Congress
2/2
AUTHOR: Rytov, S.M. 56-3-19/59
TITLE: Correlation Theory of Rayleigh Scattering of Light. Il.
(Korrelyatsionnaya teoriya releyevskogo rasseyaniya svets II)
PERIODICAL:
r
Zhurnal Ekspe im. i Teoret. Fiziki,'1957, Vol- 33, Rr 3,
pp. 669-682 (USSR)
ABSTRACT: The following problems ate discussed and solved theoretically:
a),Integral intensity of the component Ij~ (formation of problem
and solution.)
b) Anisotropic scattering. Notes tothe theory of~M.A.Leontovich.
Spectral intensity of the "displaced" flank
c
d Integral intensity of anisotropic scattering.
j
The integral intensity of the microstructure component of the
isotropically scattered #art of light is~ given for a medium
with small heat losses and for a certain concretizing of dispersion,-
laws. As regards-anisotropic scattering the simple dispersionlaiya
are shown which swjpp~y a satisfactory approximation of.the intensity.
distribution observed at Rayleigh's:flank..Farthermore,,approximation..
formulae for the coefficient of deplorization,of.Rqkigh's
scatteringlare-given. There are 1 figure and 8 Slavib references.
ASSOCIATION: Physical Institute imeni P.N.Lebedev -AN USSR (Fizicheskiy institut,
imeni P.N.Lebedeva Akademii nauk SSSR)
Card i*
09
AUTHOR R)ITOV, S.M. .56-7-24/66
TITLE 'The Correlation Theory of Thermal Fluctuations in an Isotropic Medium
(Korrelyatsionnaya teoriya.teplovykh fluktuatsiy.v izotropnoy srade,
Russian)
PERIODICAL Zhurnal Eksperim. i Teoret. Fiziki, 1957, Vol 33, Nr 7, pp 166 178
(U.S.S.R.)
ABSTRACT The theory developed here does not give concrete data concerning them
mechanism of.the dispersion and is of, a purely phenomenological charac-
ter. The results obtained may, ctove all, beapplied directly tothe
-spectral theory of RALEIGH'S scattering of light.
The initial equations: The author here confines himself to an isotropic
medium, the mechanical properties of which can be expressed by the
scalarcoefficients of heat conductivity and of thermal expansion. All
these parameters of the medium are functions of the.frequency 6) and
are generally complex. The deviations from the.thermodynaiaical.state
of equilibrium of this medium can, in.the case of the known restrictions,
be described byA further parameter. In the case of lacking dispersion
all equations given here are true for the spectrally not decomposed
quantities, and thermodynamics then enters into force. The..next chapter.
gives general formulae,for'the.correlation.functions and for the spectral,
'Card 1/2 intensities. Now the author deals with the thermal fluctuations inan
---- - -- --- --- - ------
5&7-24/66
The Correlation Theory of Thermal Fluctuations in an Isotropic Medium
elastic-viscous mediums
The spectral intensities of foreign forces:,The spectral equations.
given formerly are heretransformed by the introduction.of foreign
forces. The foreign momentum is equal to zero. In the following chapters
the spectral Wk-inten.5ities of the tensions and of the temperat-ure as
well as the spectral Wk-intensities of the velocity and of the defor-
mations are derived.
Spectral correlation: The corresponding 0 -intensities can be computed..,:~
with the help of the W k-intensities, which then give the spatial
correlation of the orders to be investigated with respect-to the fre-
quency CA) By means of a further fo.rmala the correlation functions
of the spectrally pot decomposed quantities can be determined.
(No illustrations).
ASSOCIATION Physical Institute "P.N. Lebedev" of the Academy of Sciences of the
U.S.S.R. (Fizicheskiy institut im. P.N.Lebedeva Akademii nauk SSSR)
FRESENTED BY
SUBMITTED 29.12.1956,
AVAILABIE Library of Congress
Card 2/2
AUTHOR: Ry t ov, S. 53-4-8/10
TITLE: In Memory of G. 8. Gorelik (PaWati G. S. Gorelika)
PERIODICAL: Uspekhi Fiz. Nauk, 1957, Vol._62, Nr 4, PP. 485-496 (ussR)
ABSTRACT: On June 27th Gabriel Semenovich Gorelik,:one of the most.
prominent Soviet physicists, died by a tragic accident. He
Vlas well known on account of his investigations on.the.theory
Of oscillations, on radio physics, optics and acoustics aswell
as on account of his excellent pedagogical activity of many
years. G. S. Gorelik was born.in 1906 at Paris, where his
father studied at that time. In 1923 he.began his studies at
~the mathematical-physical faculty of Moscow university and,
influenced by L. I. Mandellshtam, he turned to1heoretical
physics, also as an aspirant he worked under Mandel'shtam.
Then beginning to works as an aspirant (1930), he began
teaching. From 1934 to 1938 hedelivered lectures on the.
theory of oscillations. During this time fie finished seven
further scientific investigations on the theory of oscillations.
From 1935 to 1937 he worked at the physical-technical research
institute at Gorlkiy. In,1938 he took over the chair for
general:physics at~Gorlkiy, where he lived till 1953-During
Card 1/2 his stay at Gortkiy he wrote more than 20 scientific treatises
in Memory of G. S. Gorelik, 53-4-6/10
on various problems.of the theory of oscillations,
magnetism, theory of automatic control, radiophysics and
optics. When delivering his excellent lectures, he always
endeavored to combine the."classical" and-the "modern".
His pedagogical talent expressed itself in his capability,
to train scientific workers.and to form congenial collectives.
During tilt war he carried out important commissions for,
collubructiort offices working at Gorl.kiy. In the years~after
the war Gorelik took.part in the development of the theory
of the nonlinear oscillations..Gorelik developed an individual,
direction which may be described as an investigation of the
properties of matter and radiation by means of oscillation
methods and mainly radiophysical methods.
In June 1953 he was offered the professorial chair at the
Moscow physical-technical institute. Further details of his
activities are discussed.
There are 1 figure and 64 references, 60 of which are Slavic.
All 6t+* references are scientific works by Gorelik.
AVAILABLE: Library of Congress
Card 2/2
-776~V S
-AUTHOR: Ry-tov, S. M. 53-41w-2/11
TITLE: The Correlation Theory of Electric Fluctuations and of Thermal
Radiation (Korrelyatsionnaya teoriya elektricheskikh fluktuats.iy
i teplovogo izlucheniya).
PERIODICAL: Uspekhi Fizicheskikh Nauk, 1957, Vol. 63, Nr 4, pp. 657-672 (USSR)*
ABSTRACT: The present survey is arranged as follows. Introduction, fluctua-
tion dissipation theorem for distributed systems, application to
an electromagnetic field in a homogeneous medium, general charac.-
teristic of the theory, the case of bodies with good conductivity,
some results of the application of the theory (radiation into the
free space, radiation in lines and spatial resonators), application.,
of the principle of reciprocity, the thermal electromagnetic field
nearradiating bodies, the phenomena of interference in thermal
radiation, thermal radiation in anisotropic media.
There are 5 figures, and 31 references, 21 of which areSlavic.
AVAILABLE: Library of Congress.
Card 1/1,
(Probabilities)
21(g),24(0) PHASE I BOOK EXPLOITATIO' SOV/3~
Akademiye. nauk SSSR. PIzIcneakiy ln3tjtut
lasledovanlya po ak3perlmentallnoy~l teorez-cnes~coy fizike; f3bornL-j
(Studios on Experlaidnt s'l and Theoretical PnY3'-CS; Collect-on or Z.
krtician) Moscow, Ixd-vo AN SSSR, 1959. 304 P. Errata all p
Inserted. 2,300 copies printed.
2d.t 1. L. Fabelln kly, Doctor or Physical- and MAthematicAl 541-
ancts; Rds. of ;:bllahing H-une; A. L. Chernyak and V. 0. Barkgaut,
Tech. Rd.; Yu. V. Ryllfta; Commission for Publishing the Collection
In Memory of OrigorLya SamuLLovIch Land3berg: 1. Ye. Tamm
(Chairman), Academician; 9. A. Lowntov4ch, Academician;
P. A. Bazhulln, Doctor or Physical anzi xatnemaztcai sciences,
S. L. Mandellshtam, Doctor or Phystcal and Katnematlcal Sciences;
I. L. Pabelinskly, Doctor of Physical and Mathematical Sciences;
F. S. Landabarg-Baryshanskayal Candidate of Physical and Math-
smatical Sciences; and 0. P. MotulevLeh (Secretary), Candidate of
Physical and Mathazatical Sciences.
PURPOSI; I This book is Intended ror.phyalct3ts and researchers
snZaged In the study of electromagnetic radiations and their rol.
%'14yeat Igat Ing zhe,ptr4ctura. and composition or mstertais.
COVERAGE: The collection contain- 30 Aft%claB whic
Investigations In spectroscopy, 3onLca, molecular optLas, semL
conductor physical nuclear physics, and other branches or
physics: The Introductory chapter gives a bLograpnLcal prortL*
or 0. 3 Landabarg, Professor and Head of, tne Department of
Optica of the Division of'Physicia Technology at Moscow Unt-
varsity, and reviews his work In Rayleigh scattering, combat
e'.. gasilep spectral anaLysisor cetals,, sze. No personalities are
mentioned. Rarereaces accompmLy eata article.
S. Kinetl a of the Action or Light Ganes on tne
me Abs0rptCLQn Spectra or, Vapors, of Aromatic Coa-
l..... t., or
pounds 149
Obrelmov, 1. V. and V!q,-A-3tskhm--* The R*%12t&nC* or nice
-----0-=tXW-AIong the Cleavage Plans 159
Rytov-a-Ljl.~- The Correlation rheory or Rayleigh Light 3cat-
175
Sobel$mam 1. 1. The Quantum Mechanics Theory of the Intensity
4--or-Ed, a --s-stteri., Line,
-a 192
SuahchISqkIy_)!.-~P, Depandeney of the Width of Combined-
g-oaftsring fines or. the AnLsotropy.of a Derived
Polarizabillty Tensor 211
Tame, 1. Y*- Present State or the Theory ~or Weak Interactions
?articles 218
-'Tu*rT~!R L. A.'and B. A..Chayanov. The Illumination of
Diiiectriew In High Voltig a- c Electric Fields 23
Ukholin, S. A.,and M. Z-Erunl4m. Xnvoatlgatlon of Cc=b1ne4
'=EKt--5Fitt*rIng-7S-p"tra in 11202-H20 and H202-Dioxane.
Solutions 244
PabelInskly, I. L
Wt;107 The Thin Structure of Unts of' Rayleigh
in cases 254
The Role or the Group Speed or, Light In IrraOin.
tion in a Refractive Medium 261
S. E., and 1. P. Dogdanova Excitation ofSpectral Lines
-tylaln the-Negative =Gia'Eron or a Gan Discharge 2T5
Prim hbtra. ~A-A and_Y--7--A*d1&r-.~ The Possibility of,
the sensitivity or the Spectral Determination
or Some glamentp. 2&1
Shpqj!Bk1V-JL-V. The Interpretation or Spectra or.Aroma t1c
Hydrocarbons in Frozen Crystalline Solutions .296
SOVJL~1-2-1-6/19
AUTHOR: Rytov S.M.
TITLE: The Soectrum. of a Quasiperiodic Random Process
PERIODICAL: Izvestiya vysshikh uchebnykh zavedeniy, Radioflzlka,:
19,59, Vol 2, Nr 1, pp 45 - 49 (USSR)
ABSTRACT: In Ref 1 (Ya.I. Khurgin), an expression*has already been,
found for the spectral density of the random pulse train.,.
of Eq (1)j in which the amplitude, duration and.occurrence
of the pulses are all independently random. The process
is stationary and the mean value dispersion and distri-
bution functions of pulse spacing and length are all known.
0
With modifications the same approach maybe used for the:.
strongly non-sinusoidal waveform in Figure 1. Here,-,the~
tive excursions are.the same and of
amplitudes of all posiu
all negative.excursions -,Te.the same. The durations of the
respective "half-waves'.' are randomly independent. The
process is described by Eqs (2) (3), whence it will be seen,
uration is
that in distinction from Eq (15,the pulse d
not independent of the puls,e-.spacing but, is. equal toi.it.
Introducin- the transform Eq (4), the spectral-densit
Cardl/2 y
m
SOV/142-2-1-21/22
The First All-Union Conference.on Statistical Radio Physics
is on a satisfactory level. Concerning the latter
problem, there is a lack- of scientific,papers,.and
the number of reports dealing with this subject,
was inadequate, even at this Conference. ~ The Con-,
ference participants heard with great interest the
latest research results in the field of;the sta-
-tistical theory of communication (theory of inform-',--
ation).contained in the report "The Theory of Radio
Communication Channels Having Parameters Changing
at, Random" by V.I. Siforov, Associate.of AS USSRY:
which wa'a delivered at the plenary session. I.L..
Bernshteyn (NIRFI, Gorlkiy) reviewed the develo
p
ment of statistical radio physics in his report,
titled."Fluctuation Phenomena in Self-Oscillator
Networks". Already in the mid-thirties,, by sug-
~gestion and under supervision of A.A. Andronov,
the author analyzed and calculated processes in an
ordinary vacuum tube-oscillato.ro-.c.onsidering the
fluctuation influence of the sho t effect inthe
Card 3/ tube and the thermal effect in'the network. Later,:'_,
SOV/142-2-1-21/22
The*First All-Union Conference on Statistical Radio Physics
b U
the problem of oscillator fluctuations became.im
U 'or the cm-wave range were,
portant, when receivers
built.,'In 1949, experimental investigations of the-,:',
oscillation fluctuation of an ordinary tube oscil-
lator laere conducted,at GIFTI (Gorlkiy). Recently't
a large number of papers were publ ished on this sub-
ject and the author mentioned in this connection
G.S. Gorelik, S.M. Rytov, D. Middleton,(USA), V.S-.
Troitskiy, A.N. Malakhova, M.Ye. Zhabotinskly and
P.Ye. Zill.berman. S.M. Rytov delivered the last
report at the plena7ry-session, titled "The Fluctu,-
ation Theory in Strictly ~Ton-Linear Self,-O.Scilla-.
tor Networks". In this report,,self-oscillating
networks were considered, permitting a.piece-linear
approximation of non-linear characteristics. Ran-
dom forces were assumed as being small and shortly
correlated. For simplicity, the theory was deve-
loped for the special case of a system with only,
one degree of freedom. The phase space of:the
Card 4/ P- system under consideration is a plane, divided into
57
SOV/1427-2-1-21/22
The First All-Union Conference on Statistical Radio Physics
ttto semiplanes which are, infinitely straight. Using,
-uations,
the point transformation method, small fluct
investigated in.the neighborhood of. a stable limit..
cycle. The statistical characteristic and the dif-.
fusion coefficient of the !Iphas;ell,were obtained.
Disregarding the llam~litudefl fluctuation, the self-.,
oscillation spectrum was obtained. The author.show-__~
ed t'hat the width of the lines at half.the intensity
level is propertional to the square of the harmonic
number, and also their integral intensity, whichis,
also the case during the absence of fluct-uations.
As an example, the author discussed a tube oscil-
with an anode network and inductive feedback.
The work of the three conference sect'
ions was con-
ducted.from 14 to 17 October 1958. The section
"Fl
uctuations in Self-Oscillator,.Radio Measuring
and Amplifier Networks" was headed by I.L. Bern-.
shteyn and S.M. Rytov..,"A.N. Malakhov (NIRPI, Gorl-
Iciy) delivered a report c~n~'Th~e8pe~ctral Line Wid th
Card 5/a-2 of Oscillators and the Parameter Fluctuation".