JPRS ID: 10338 USSR REPORT ELECTRONICS AND ELECTRICAL ENGINEERING

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• Content Type: REPORTS

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JPRS L/ 10338
19 February 1982
- USSR Report
ELECTRONICS AND ELECTRICAL ENGINEERING
(FOUO 2/82)
FBIS FOREIGN BROADCAST INFORMATION SERVICE
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JPRS L/10338
19 February 1982
USSR REPORT
ELECTRONICS AND ELECTRICAL ENGINEERING
(FOUO 2; $ 2 )
CONTENTS
AERUSPACE & ELECTRONIC SYSTEMS
Radic+ Relay and Satellite Transmission Line Reliability............ 1
_ Electric Navigation Instruments ................e................... 4
ANTF.NNAS & PROPAGATION
Abstracts From Collection 'NONCOHERENT SCATTERING OF RADIO
WAVES' 11
High Latitude Propagation of Decameter Radio Waves 18
~ Short- and Ultrashort-Wave Propagation 23
Antenna Arrays: Trial Classi''ication 27
BROADCASTING, CONSUMER ELECTRONICS
Semiconductor Convezters in the Charge Systems of Reservoir
Capacitors 37
Sensitivity of Solid-State Radio Receiving Devices 40
Unit for Rotating TV Camera Raster 43
CIRCUITS & SYST-VMS
Linear Gating Device Unit 47
Infralow-Fr.equency Triangular Current Pulae Generators 51
Commutator Controlled by Signal Frequency 57
- a- [III - USSR - 21E S&T FOUO]
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MUK Vi'MlI.IAL UJL' VIVLY
Subnanosecond-Range High-Power Semiconductor Peakeacs 61
System �or Controlling Closing of Spark Gaps by Fi.eld
- Di4*_ortion Method 65
High-Voltage Pulse Generator for Low-Resistance Load u9
Control Circuit for Seven-Segment Electroluminescent Indicators... 73
Frequency Dividers With Variable Division Factor 76
Wideband Direct-Current Amplifier 81
High-Speed Pulse Phase Discriminator 84
COMMUNICATIONS
Laboratory Projects on Communica[ion Line Structuries 90
COMPUTERS
Signal Processing Unit Based on 'Elektronika B3-18'
Microcalculator 92
Multifunction Generator 96
Computer-Assisted Radar Operator Trainers 99
Tunable Function Generator Utilizing Microcircuits 102
ELECTRON DEVICES
Analog Multiplexer in the CAMAC Standard 106
INSTRUMENTATION & MEASUREMENTS
Millimeter and Submillimeter Band Pulsed Spectrometer 108
High-Speed Tracking Frequency Meter 114
Auger Electron Spectrometer 120
MICROWAVE THEORY & TECHNIQUES
Microwave Electronic Devices 121
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POWER ENGINEEFiING
Stazistical Processing of Operational InformatiQn in
Electric Power Systems 130
- Air Circuit-Breakers for Power Transmission Applications.......... 140
QUANTUM ELECTRONICS, ELECTRO-OPTICS
Gas Laser Discharge Current Stabilizer 144
Powerful Power Supply for Pulsed Lasers Employing Vapors of
Metals 148
SOLID STATE CIRCUITS
Calculation of Semiconductor Power Devices 152
Tests of Semiconductor Power Devtces 156
NEW ACTIVITIES, MISCELLANEOUS
Abstracts From Collection 'RADIO ENGINEERING..................... 159
Abstracts of Articles in Collection on Radio Engineering.......... 166
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AEROSPACE & ELECTRONIC SYSTEMS
RADIO RELAY AND SATELLITE TRANSMISSION LINE RELIABILITY
.
UDC 621.396.96
Moscow NADF:ZHNOST' RADIORELEYNYKH I SPUTNIKOVYKH LINIY PEREDACFiI in Russian
1981 (signed to press 2 Jul 81) pp 2-3, 160
[Annotation, foreword and table of contents from book "Radio Relay and Satellite
Transmission Line Reliability", by Ariy Izrailevich Rakov, Izdatel'stvo
"Radio i svyaz 5800 copies, 160 pages]
[Text] The reliability of radio relaq and satellire transmission lines (RR and
STL) is investigated: mathematical and physical models are analyzed, as are the
_ interdependence among reliability indicators and the laws for distribution of
failures and down-time duration. Ways to improve RR and STL reliability are
examined and recommendations are made for the sequence in which they should be
realized, taking technical efficiency into consideration. Methods are proposed
_ for optimization of RR and STL structure based nn reliability and cost criteria.
Examples of calculations are given.
For engineering and technicai workers specializing in radio relay and satellite
communications.
Reviewer: G. V. Vodop'yanov
Foreword
The high reliability which is created in our country by the United Automated
Communications Network (YeASS) can be provided if Lhe necessary level of reli-
ability is achieved in each of its individual links. The role of radio relay
and satellite transmission lines as the moat important components of YeASS in-
creases annually. However, not all of the questions associated with providing
_ radio relay and satellite transmission line reliability have been adequately
covered in the literature. In the book offered to the reader, the theoretical
bases for studying radio relay and satellite tr.ansmiasion line reliabil{.ty are
systematized, the experience of operating these lines is analyzed and recommenda-
tions for improving reliability are made. Methods have been developed far the
optimal synthesis of radio relay and satellite transmissioh lines and their
componer.ta which insure that the prescribed level of reliability is achieved at
minimal cost.
1
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The n.umerical evaluations of reliability indicators which are presented in the
book are conditional and can be usee only for instructional designing.
The author is deeply grateful to Prof. Dr. of Tech. Sci. S. V. Borodich and
Cand. of Tech. Sci. G. V. Vodop'yanov for their valuable comments, which were
taken into consideration while working on the manuscript. The author is extremely
thankful to Prof. Dr. of Tech. Sci. B. R. Levin, docents Cand. of Econ. Sci.
Ye. D. Pankratov, Cand. Phys.-Math. Sci. M. A. Pankratova and Cand. of Tech. Sci.
V. K. Ashirov for their discussion of certain of the book's positions, as well
as to engineer L. V. Borisova for help in preparing the manuscript for
publication.
CONTENTS
page
- Foreword 3
Introduction 4
Chapter 1. Theoretical bases for studying radio relay and satellite
transmission line reliability 6
1.1 Mathematical models for reliability studies 6
1.2 Reliability indicators 21
1.3 Interdependence among reliability indicators 29
Chapter 2.
Reliability of line-of-sight radio
relay transmission
lines
36
- 2.1
Collection and initial processing of
data on down time of
trunks and their components
36
2.2
Regularities in the distribution of
failures and down-
time duration for trunks
43
2.3
Changing reliability indicators for
active radio relay
transmission line trunks
47
Chapter 3. Ways to improve reliability of linerof-sight radio relay
transm:Lssion lines 52
3.1 Improving station power supply syatem rel:Lability 52
3.2 Improving stabiiity of communicationa at intervals and
reliability of radio equipment 58
3.3 Improving technical operation 72
= Chapter 4.
Calculating the desired
reliability of radio relay
transmission lines of a
given structure
74
4.1
Improving the reliability
of initial data for calculating
desired reliability
74
4.2
Method for determining desired trunk reliability
_
indicators
79
4.3
Evaluation of the effect
of trunk reliability on actual
carrying capacity
87
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- Chapter 5. Optimal design of line--of-sight radio relay transmission
lines 91
5.1 Variants for assigning reliability requirements 91
5.2 Structural diagram of a transmission line whereby a
prescribed reliability is provided 98
5.3 Optimal construction of radio relay transmission lines 102
Chapter 6. Providing reliability of tropospheric radio relay
transmission lines 112
Chaprer 7. Reliability of satellite transmission lines 116
7.1 Peculiarities of satellite transmission line construction 116
7.2 Reliability indicators for a circular trunk 123
7.3 Reliability of the common and individual components of
circular trunks 126
Chapter 8. Ways of improving satellite transmission line
reliability 130
8.1 Trends in work to improve reliability of common and
individual components of circular trunks 130
8.2 Technical effectiveness of ineasures to improve reliability
of a circular trunk 133
8.3 Devices for automatic reserving of the equipment of
receiving earth stations 135
Chapter 9. Optimal design of satellite transmission line components 139
9.1 Structural diagram of a receiving earth station, whereby
a prescribed reliability is provided 139
9.2 Optimal structure of earth station components, whereby
a prescribed reliability is provided at minimal cost 142
Conclusion 149
Appendix. Algorithm III 152
- List of Literature 156
COPYRIGHT: Izdatel'stvo "Radio i svyaz 1981
9194
CSO: 1860/117
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MOh OM'M'ICIAI. USE UNLY
UDC 629.3.002.72.002,54(075.8)
ELECTRIC NAVIGATION INSTRUMENPS
Moscow ELEKTRQNAVIGATSIONNYYE PRIBORY in Russian 1980 (signed to press 9 Dec 80)
pp 2-4, 444-447
[Annotation, foreword, introduction (excerpt) and table of contents from book "Elec-
tric Navigation Instruments", by Igor' Aleksandrovich Blinov, Aleksandr Vasil'yevich
Zheriakov, Vladimir Konstantinovich Perfil'yev, Yevgeniy Leonidovich Smirnov and
Andrey Andreyevich Yakushenkov, reviewed by Ye. F. Ludchenko, 4th edition, revised
and supplemented, Izdatel'stvo "Transport", 12,000 copies, 448 pages]
[Text] The fourth edition of this textbook is written in accordance with the new
program of the course "Technical Maritime Navigation Aids" for students of higher
marine engineering schools specializing in maritime navigation. It presents the
theory of modern gyroscopic and hydroacoustic instruments, logs and autopilots, and
examines the prospects of the development and practical uses of these instruments on
vessels of the marine fleet.
In preparing the new edition of this textbook, the material of the preceding edition
(1973) was revised considerably and supplemented with new data reflecting the im-
provement of electric navigation instruments in recsnt years, as well as sugges-
tions af instructors of maritime vuzes, shipping lines land and sPagoing personnels.
This book can be used by students of higher maritime educational institutions spe-
cializing in radio engineering and hydrography as a textbook for the appropriate
section of their program. It will certainly be useful for navigators of the mari-
time fleet, particularly in the part of the descriptions of new electric navigation
instruments which are being introduced on seagoing vessels.
Figures 241, tables 6, bibliography 28 items,
Introduction
Resolutions of CPSU Congresses and five-year plans for the development of the na-
iLonal economy of the USSR envisaged further development of sea transportation and
replenishing of the fleet with faster large^capacity vessels of new types.
The most important role in achieving the highest economic effect in the operation
of each vessel and th2 fleet as a whole, as well as navigation safety, is played by
electric navigation inst7uments (ENP) which are used to determine the course and
speed of the vessel, the depth of the sea, and to control the vessel automatically.
4
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For the convenience of studying, all electric navigation instrumenta are divided by
the principle of operation and by the value they measure.
By the principle of operation, electric navigation instruments are subdivided into
gyroscopic, hydroacoustic, hydrodynamic and electrodynamic (induction).
The following division is accepted with respect to measured values: meridian plane
indicators; azimuth indicators; horizon plane indicators; meters of angular veloci-
ties and acceleration of vessel movement; vessel steering angle meters; met6rs of
position coordinates; meters of linear speed and acceleration of the vessel; sea
depth meters.
Depending on their purnoses, E:dP have the following names:
- hydroscopic compasses meridian plane indicators;
directional gyroscopes(azimuth gyroscopes) azimuth indicators;
gyro-magnetic compasses magnetic meridian plane indicators;
vertical gyroscopes (gyro horizons) horizon plane indicators;
gyrostabilizers commanded position indicators;
gyrotachometers (differentiating gyroscopes) meters of angular speed of mov-
ing objects;
gyrotachoaccelerometers meters of angular speed and angular acceleration of
the vessel;
accelerometers meters of linear accelerations of the vessels;
integrating gyroscopes steering angle meters;
inertial navigation systems meters of distance traveled;
hydrodynamic logs meters of relative speed of the vessel;
electrodynamic (induction logs meters of relative speed of the vessel;
hydroacoustic logs meters of absolute (in relation to ground) speed of the
vessel;
echo depth sounders sea depth meters.
Electric nagivation instruments can work in the indicator mode, when the information
- obtained from them is used only for navigational orientation, and in the control
mode, when information is delivered to the automatic movement control systems of the
vessel.
Such automatic control systems using information of ENP are control systems of the
vessel's movement at a fixed course and along a prescribed trajectory and vessel
stabilization systems used in rough seas.
This book consists of two parts. The first part presents the theory of electric
navigation inseruments, and the second part describes their designs. The sequence
of chapters is determined by the interrelation among various instruments.
Much attention in the book is given to the theory and the design principles of mo-
dern electric navigation instruments. Errors of instrument5, causes of their ap-
pearance, and methods of rheir compensation are discussed in detail.
Considering rhe tendency in rhe development of electric navigation instruments of the
maritime Fleet, considerahle attention is given to new promising instruments and sys-
tems.
S
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rvn Vrra'k.ana. arcoc
Contents Page
- Introduction 3
Part 1. Theory of Electric Navigation Instruments
Section 1. Applied Theory of the Gyroscope 7
Chapter I. Properties of the Gyroscope and Equations of Motion 7
1.1. Definition of the Concept of "Gyroscope" 7
1.2. Suspensions Used in Gyroscopes 8
1.3. Main Properties of the Gyroscope 13
- 1.4. Kinetic Moment Theorem 14
1.5. Applications of the Kinetic Moment Theorem 18
1.6. Gyroscopic Moment 21
1.7. Setting up Equations of Motion of Gyroscopes and Gyroscopic
Devices by Professor B. I. Kudrevich's Method 25
1,8. Motion of the Gyroscope Under the Effect of a Steady Moment
of External Forces and Shocks 27
' 1.9. Processional Motion Equation of the Gyroscope 32
Chapter II. Free Gyroscope on the Earth. Methods of Converting a Free
Gyroscope into a Gyrocompass and into a Vertical Gyroscope
33
1.10.
Diurnal Rotation of the Earth
33
1,11,
Apparent Motion of a F ree Gyroscope in Relation to the
Meridian and Horizon Planes
34
1.12.
Rotatiori of the Horizontal System of Coordinates Due to
the Motion of the Vessel
36
1.13.
Methods of Converting a FreQ Gyroscope into a Gyrocompass
37
1.14.
Methods of Converting a Free Gyroscope into a Vertical
Gyroscope
42
Section 2.
Theory of Gyroscopic Compasses
45
Chapter II
I. Theory of a Two-Gyroscope Compass
45
2.1.
Sensitive Element of the Gyrocompass and Setting up
Equations of Its Motion
45
2,2.
Sustained Oscillations of the Gyrosphere in the Azimuth and
Along the Height on a Motionless Vessel
52
_
2.3,
Decaying Oscillations of the Gyrosphere in the Azimuth and
Along the Height on a Motionless Vessel
56
2.4.
Effect of Vessel Movement at a Steady Speed and on a Fixed
Course on the Gyrocompass
64
2.5.
Effect of the Maneuvering of the Vessel on the Indication
Accuracy of the Gyrocompass
75
2.6.
Gyro-Horizon-Compass
104
2.7.
Effect of :tocking on the Indication Accuracy of aTao-Gyro-
scope Compass
108
Chaprer IV. Theory of Correctible Gyroscopic Compasses 114
2.8. Basic Diagram of a Gyrocompass with Indirect Control 114
2.9. Basic Diagram of Gyro-Azimuth-Compass "Vega" 119
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2.10. Setting up Dif.ferential Equations of Motion of GyrQ-
Azimuth-Compass "Vega" 121
2.11Instrument Operation in the Gyrostabilizer Mode 125
2.12. Instrument Operation in the Mode of a Gyrocompass with
Indirect Control (without correction) 127
2.13. Instrument Operation in the Correctible Gyrocompass Mode 134
2.14. Operation of a Gyro-Azimuth-Compass in the Gyro-Azimuth
Mode 143
- Sect'Lon 3. Theory of Gyroscopic Devices of Stabilization Systems and
Vessel Movement Control Systems 146
Chapter V.
Theory of Vert?ca?
Gyroscopes
146
3.1.
Fundamentals of the
Theory of Pendulous Vertical Gyroscopes
146
3.2.
Fundamentals of the
Theory of the Vertical Gyroscope with
Radial Correction
152
3.3.
Fundamentals of the
Theory of the Inertial Vertical Gyroscope
158
Chapter VI, Theory of Gyrotachometers 165
3.4. Operating Principle and Fundamentals of the Theory of the
~ Single-Gyroscope Gyrotachometer 165
3.5. Fundamentals of the Theory of the Two-Gyroscope Gyrotaci,o-
meter 177
3,6, Uses of Gyrotachometers in the Marine F'leet 179
Section 4. Automatic Systems of Vessel Movement Control 183
Chapter
VII, Vessel
as an Object of Automatic Control
183
4.1,
Main Tasks
of the Automation of Vessel Control
183
4.2.
Setting up
and Analyzing Equations of Vessel Movement
185
Chapter VIII, Operating Principle and Fundamental_s of the Theory of
- Autopilots 197
4.3, Automatic Control of Vessel Movement in Relation to the
Prescribed Course 197
4.4. Automatic Control of Vessel Movement in Relation to the
Prescr.ibed Trajectory 214
Section 5. Applied Theory of Hydroacoustics and Hydroacoustic Instruments 221
Cliapter IX. Sound Propagation in a Homogeneous Liquid 221
5.1, Physical Nature of Sound 221
5.2. Derivation of the Wave Equation 224
5.3. Plane Waves 229
5.4. Concept of Spherical Waves 235
5.5. Reflection and Refraction of Sound Waves 235
5.6. Interference of Sound Waves 240
5.7. Passage of Sound Through a Thin Partition 242
5.8. Diffraction of Sound Waves 243
5.9. Sound Propagation in a Moving Liquid 244
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h'uK uMelIUwL ubr. UnLr
Chapter X.
Sound Propagation in the Sea
245
5.10,
Speed of Sound
245
5.11.
Refraction of Sound Beams
247
5.12,
Reverberaeion
250
Chapter XI
. Sound Sources and Receivers
251
5.13,
Oscillating Systems of Vibrators
251
5,14.
Piezoelectric and Magnetostrictive 'iransducers
253
- 5.15.
Directional Effect of Vibrators
257
5.16.
Sound Radiation
264
5.17.
Reception of Sound Oscillations
266
Chapter XI
I. Acoustic Method of Depth Measurements
268
5.18.
Fundamentals of the Theory of Echo Depth Sounders
268
5.19.
Block Diagram of an Echo Depth Sounder
274
Chapter XI
II. Fundamentals of Hydrolocation
278
- 5.20,
Substantiation of the Principles of Hydrolocation Measurements
278
Section 6.
Applied Theory of Logs
284
- Chapter XIV. Hydroacoustic Absolute Doppler Log
284
6.1.
F undamentals of the Doppler-Log Theory
284
6.2.
Block Diagram of the Hydroacoustic Doppler Log
288
Chapter XV. Hydroacoustic Absolute Correlation Log
290
6.3.
Fundamentals of the Coxrelation Log Theory
290
- 6,4.
Block Diagram of the Hydroacoustic Correlation Log
291
Chapter XVI, Induction Log
292
6.5.
F undamentals of the Indiction Log Theory
292
- 6,6.
Block Diagram of the Induction Log
295
Chapter XVII. Hydraulic Log
297
6.7.
Fundamentals of the Hydraulic Log Theory
297
6.8.
Block Diagram of the Hydraulic Log
299
Part 2. Designs of Electric Navigation Instruments
Section 7. Gyrocompasses and Autopilots 300
Chapter
XVIII. Gyrocompass "Kurs-4"
300
7.1.
Basic Specifications
300
7.2.
Systems and Components of a Gyrocompass
with a Sensitive
Element Working on Alternating Current
of 120V, 330 Hz
301
7.3.
Primary Instrument (Instrument 1M)
302
7,4.
A�lxiliary Systems and Instruments
310
7.5.
ljystems and Components of a Gyrocompass
with a Sensitive
Element Working on Alternating Current
of 127 V, 400 Hz
332
7.6.
Primary InsCrument (Instrument 1KM)
332
7,7,
Speed Deviation Correction Unit
334
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Chapter XIX. Aperiodic Gyrocompass "Kurs-5"
7,8. Basic Specifications
_ 7.9. Systems and Components of the Gyrocompass
7.10. Primary Instrument (Instrument 1P)
7.11. Auxiliary Systems and Instruments
Chapter XX. Gyrocompass "Amur-2"
7,12. Systems and C omponents of the Gyrocompass
7,13, Primary Instrument (Instrument lA)
7.14. Instruments of the Supply Unit
Chapter XXI. Gyro-Azimuth-Compass "Vega"
- 7,15. Basic Specification of the Gyro-Azimuth-Compass
7,16. Systems and Components of the Gyro-Azimuth-Compass
7.17, Primary Instrument (Instrument VG-lA)
7,18. Auxiliary Systems and Instruments
Chapter XXII. Autopilot AR
7,19, Block Diagram of the Vessel Course SAU [Automatic Control
System]
7.20. Components of Autopilots AR
7.21. Control Panel
7.22. Ordinary Control Panel
7,23. External Control Panel
7.24. Rudder Sensor and Rectifier Station
7.25. Amplidyne
7.26. Block Diagram of the Autopilot AR
Chapter X:
7.27.
7.28.
7.29.
7.30.
7,31.
7.32.
7.33,
7.34.
7,35.
KIII. Autopilots ATR and "Aist"
Basic Specifications of the Autopilot ATR
Components of the Autopilot ATR
Control Panel
Follow-Up Control Panel (PSU)
Hydraulic Amplifier
Pump
Actuator
Block Diagram of the Autopilot ATR
Basic Specifications of the Autopilot "Aist"
Section 8. Echo Depth Sounders and Logs
Chapter XXIV, Navigational Echo Depth Sounders
8.1. Echo Depth Sounder NEL-5
8.2. Echo Depth Sounder NEL-10
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336
336
337
337
339
355
355
356
358
3 58
358
359
360
366
376
376
378
378
389
389
390
390
391
395
395
395
395
398
398
399
400
400
403
404
404
404
411
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HOR UM'610AI. USE UNLY
Chapter XXV. Logs
8.3. Log MGL-25M
8.4. Log IEL 2
- Supplement. ?-aternational Requirements for the Accuracy of Marine
Gyrocompasses
Bibliography
Subject Index
COPYRIGAT: Izdatel'stvo "Transport", 1980.
10,233
CSO: 1860/103
10
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418
418
428
437
438
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ANTENNAS & PROPAGATION
- ABSTRACTS FROM COLLECTION I NONCOHERENT SCATTERING OF RADIO WAVES'
Apatity NEKOGERENTNOYE RASSEYANIYE RADIOVOLN in Russian 1980
(signed to press 19 Dec 80) pp 2, 161-167
[Annotation and abstracts of articles in collection "Noncoherent Scattering
of Radio f,)aves", edited by B. Ye. Bryunelli, doctor of physical and mathematical
sciences, et al., b'.ol'skiy filial A1 SSSR, 400 conies, 167 paQes]
[Text] Various aspects of the method of noncoherent scattering of radio
waves are discussed in the collection, a nei highly ir.formative method
of studying the ionosphere. Theory of the method, questions of the
effect of collisions on the spectrum, the effect of continuous magnetic
and electrical fields, and possible occurrence of nonlinear effects
durinq measurements using the method of noncoherent scattering are dis-
cussed.
Methods and techniques of conducting experiments are examined, as are
questions of enhancing their informativeness. A brief description of
tr,e Noncoherent Scattering Research Complex of Kharkav Polytechnical
- Institute and the type of results obtained there are given. Information
resources of the method are analyzed in terms of literary sources.
UDC 533.951+550.388
- THE KINETIC THEORY OF RADIO WAVE SCATTERING IN A HETEROGENEOUS PLASMA
[Abstract of article by V. V. Belyy, Yu. L. Klimontovich, V. A. Puchkov
and A. S. Sidorenko]
(Text] The theory of kinetic plasma fluctuations is presented as it
pertains to problems of noncoherent scattering of electromagnetic waves.
- The effect of colliding particles on spectra of noncoherent scattering
is studied within model integrals of BGK collision. A discussion is
conducted based on parametric instabilities which may be generated by
the field of a powerful probe signal.
11
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UDC 533.932
FLUCTUATIONS OF CHARGEU PARTICLE DENSITY OF COLLISION PLASMA IN CROSSED
ELECTRIC AND MAGNETIC FIFLDS
[Abstract of article by V. D. Tereshchenko and Ye. D. Tereshchenko]
[Text] Based on kinetic theory, the spectrum of dEnsity fluctuations of
charged particles is calculated for a collision plasma located in an
external crossed electrical and magnetic fields. A model integral of
BGK collisions is used for to describe the collision effects in an kine-
tic equiaton. It is shown that the colliding member of BGK can be used
to evaluate the effect of collision of electrons and ions on the spec-
trum of noncoherently scattered emission.
UDC 550.388.2
ELECTRON PORTION OF SPECTRUM OF NONCOHERENTLY SCATTERED FMISSION
[Abstract of article by V. D. Tereshchenko and Ye. D. Tereshchenko]
[TextJ The effect of a small addition of epithermal electrons on total
intensity of electron lines of the spectrum of noncoherently scattered
radio emission is studi2d. The influence of collision on intensity of
scattering in plasma oscillations is analyzed. General results and
conclusions are applied to calculation of the altitude profile of the
total cross section of plasma line in the polar ionosphere.
UDC 551.510.535
STATISTICAL CHARACTERISTICS OF NONCOHERENTLY SCATTERED SIGNAL
[Abstract of article by E. G. Mizer]
[Text] The statistical characteristics of ionic and electronic com-
ponents of the spectrum of noncaherently scattered signals in iono-
spheric plasma are considered. The process of formation of a scattered
signal is considered; distributive laws, space and time correlation
functions of the signal are derived. Physical processes of shaping of a
_ signal scattered on longitudinal plasma waves is examined. Methods are
recommended for receiving the signal of a plasma line permitting im-
provement of the signal-to-noise ratio with respect to power.
UDC 550.388.2
EFFECT OF MAGNETIC FIELD IN QUASIEQUILIBRIUM PLASMA ON IONIC PORTION OF
SPECTRUM OF A NONCOHERENTLY SCATTERED SIGNAL
[Abstract of article by A. D. Tereshchenko]
[Text] The effect of a magnetic field on the process of noncoherent
scattering of radio waves in a quasiequilibrium plasma is studied. The
spectrum of radio wave scattering in the meter range is deterrnined by
longitudinal (with respect to magnetic field bearing) temperature com-
ponent and longitudinal component of electron directional velocity.
12
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APPROVED FOR RELEASE: 2007/02/09: CIA-RDP82-00850R000500030047-2

APPROVED FOR RELEASE: 2007102109: CIA-RDP82-00854R004500030047-2
FOR OFFICIAL USE ONLY
UDC 551.510.535
ROLE OF NONLINEAR EFFECTS IN THE NONCOHERENT SCATTERING METHOD
_ [Abstract of article by V. A. Misyura, S. I. Martynenko and L. F. Chernogor]
[Text] For the case of the heating mechanism of nonlinear effects,
"engineering" formulas are derived which enable us to assess the minimum
effective output at which perturbation of the medium due to sensing
pulses becomes noticeable. Perturbations