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Principles of Modern Radar Systems : Artech House Radar Library - Michel H. Carpentier

Principles of Modern Radar Systems

Artech House Radar Library

Hardcover Published: 19th June 1988
ISBN: 9780890062852
Number Of Pages: 324

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Prefacep. xi
Introduction to Random Functionsp. 1
General considerations. Steady state conditionsp. 1
Amplitude distributionp. 4
Spectral distribution A[superscript 2](f)p. 10
Generalizationp. 14
Response of a linear filterp. 14
Applications of the convolution theoremp. 16
Convolution theoremp. 16
The cross-correlation functionp. 16
Autocorrelation function: Wiener's theoremp. 17
Differentiation of [varrho]([tau]) when x(t) is realp. 18
Examples of calculations of [varrho]([tau]) and A[superscript 2](f)p. 19
Autocorrelation function associated with a rectangular spectrump. 19
Calculation of the autocorrelation functionp. 19
Calculation of the spectral density of [upsilon](t)p. 20
Calculation of the autocorrelation function of w[subscript 1](t)p. 21
Filtering with an RC circuitp. 22
Optimizationp. 23
Sampling theoremp. 24
Tendency to the normal distribution. Gaussian phenomena. Rayleigh distributionp. 28
Tendency to the normal distributionp. 28
Representations of gaussian random functionsp. 29
Exercisesp. 33
Signal and Noise. The Ideal Receiverp. 42
The radar problemp. 42
A priori and a posteriori probabilitiesp. 43
A posteriori probability of the presence or absence of a signal in gaussian noise after one experimentp. 46
A posteriori probability of the presence or absence of a signal in gaussian noise after several successive experimentsp. 47
Probability of the presence or absence of a continuous signal in continuous gaussian noise. The ideal receiverp. 54
More rigorous definition of the ideal receiverp. 57
Assumptionsp. 59
Properties of S(t), n(t) and S(t - t[subscript 0])p. 60
Search for a basis of orthonormal vectors over E(t[subscript 0])p. 60
Definition of an ideal receiverp. 61
White noisep. 63
Colored noise (approximate proof)p. 63
Performance of Radar Systems Equipped with Ideal Receiversp. 65
Two procedures for making an ideal receiverp. 65
The output signal of the ideal receiverp. 67
Properties of the useful signalp. 67
Properties of the parasitic signalp. 68
Conclusionsp. 69
Probability of false alarm and detection. Range ambiguityp. 71
Probability of false alarmp. 71
Detection probabilityp. 72
Range ambiguityp. 74
Revision of the results when the useful signal is a microwave signalp. 75
Accuracy of range measurementp. 77
Range resolutionp. 81
General considerationsp. 81
First general rulep. 82
Analysis of the problemp. 82
Approximate formulap. 85
Accuracy of the measurement of radial speedp. 87
(Radial) velocity ambiguityp. 88
Resolving power in terms of (radial) velocityp. 89
General rulep. 89
Analysis of the problemp. 90
Approximate formulap. 92
Range-velocity ambiguityp. 92
General considerationsp. 92
Non-frequency-modulated square-wave pulse with duration Tp. 95
Non-frequency-modulated gaussian signalp. 97
Gaussian signal with linear frequency modulationp. 98
Square-wave pulse trainsp. 100
Square-wave pulse with linear frequency modulationp. 100
Range-velocity resolutionp. 102
Non-frequency-modulated gaussian signalp. 102
Gaussian signal with linear frequency modulationp. 104
Square-wave pulse which is not frequency modulatedp. 104
Square-wave pulse with linear frequency modulationp. 106
Random signalp. 106
Application of ambiguity to combat parasitic echoesp. 109
Conclusionsp. 113
Choice of signal to be transmittedp. 114
Choice of receiverp. 116
Analysis of the Operating Principles of some Types of Radarp. 117
Noise radarp. 117
Target with a known velocityp. 118
Target with unknown velocityp. 123
Pulse Doppler radarp. 125
New algorithm for a radar receiverp. 126
Classical pulse radarp. 127
Classical conceptp. 127
A new conceptp. 131
Pulse compression radarp. 134
Introductionp. 134
Pulse compression proceduresp. 137
General properties of pulse compressionp. 144
Calculation of faults due to compression imperfection. Paired-echo methodp. 149
Practical implementation of dispersive filtersp. 150
Constant false alarm reception (CFAR)p. 152
Principles of constant false alarm receiversp. 152
Output levels of the useful signal and noisep. 153
Detection probabilityp. 159
Examples of applicationsp. 163
Elimination of clutterp. 166
Introductionp. 166
Restriction of the level of parasitic signals entering the radar systemp. 167
The main systems using Doppler filteringp. 170
Performance of a delay line moving target indicatorp. 184
Behavior of Real Targets. Fluctuation of Targetsp. 191
General considerationsp. 191
Radar cross-section of a planar platep. 192
Radar cross-section of a metal spherep. 193
Field reradiated by a hypothetical isotropic targetp. 195
Target consisting of two identical point targetsp. 195
Target consisting of two different point targetsp. 200
Fluctuations in the Rayleigh distributionp. 204
Frequency diversity. Random radarsp. 208
Random radarsp. 211
Conclusionsp. 212
Angle Measurement Using Radarp. 215
General commentsp. 215
Two-dimensional search radarp. 216
Continuous-wave operation for cooperating targetsp. 216
Pulse operation on a cooperating targetp. 218
Operation on a noncooperating targetp. 219
General principle of monopulse radarsp. 219
Angular fluctuation of targetsp. 221
Errors in angular measurement using radarp. 223
Description of monopulse radarsp. 224
Amplitude monopulse and phase monopulse radarsp. 224
Use of radio freqeuncy signals in monopulse radarsp. 226
Effect of receiver noise on the accuracy of angular measurements made using a monopulse radarp. 231
Relationship between the monopulse proceduresp. 233
Conical scanning radarp. 234
Effect of target fluctuation on the accuracy of radar measurementsp. 236
Conical scanning radarp. 237
General casep. 237
Accuracy of a radar system performing several consecutive measurementsp. 239
Fluctuation of the radiant point. Angular target signaturep. 239
Data Processing of Radar Information. Radar Coveragep. 241
Coherent integrationp. 241
Integration after detectionp. 242
Integration in a search radarp. 246
Coherent integrationp. 246
Integration after square-law detectionp. 247
Use of digital extractorsp. 248
Some variations on the radar equationp. 251
Tracking radarp. 251
Two-dimensional surveillance radarp. 252
Three-dimensional surveillance radarp. 254
Applications to Electronic Scanning Antennas to Radarp. 255
Introductionp. 255
Basic principles of electronic scanning. Simplificationsp. 256
First simplificationp. 257
Second simplificationp. 257
Third simplificationp. 257
Fourth simplificationp. 259
General description of an electronic scanning antennap. 261
Radiating elementsp. 261
Phase shiftersp. 262
Feed systemsp. 264
Types of patterns for electronic scanning radarsp. 269
Centered pencil beamp. 269
Offset beamp. 269
Broadened beamp. 269
Monopulse difference beamp. 271
Antijamming antennap. 271
Final remarksp. 275
p. 277
Introduction to Hilbert spacesp. 277
Definition of an abelian groupp. 277
Definition of a ringp. 277
Definition of a fieldp. 278
Definition of a vector spacep. 279
Hilbert spacesp. 281
Table of the function [Theta](x)p. 286
Exercisesp. 287
Referencesp. 295
Bibliographyp. 297
Indexp. 299
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780890062852
ISBN-10: 0890062854
Series: Artech House Radar Library
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 324
Published: 19th June 1988
Publisher: Artech House Publishers
Country of Publication: US
Dimensions (cm): 22.9 x 15.2  x 2.2
Weight (kg): 0.65