Introduction to synthetic array and imaging radars / S. A. Hovanessian.

Format:

Book

Author/Creator:

Hovanessian, Shahen A., 1931-

Language:

English

Subjects (All):

Synthetic aperture radar.

Physical Description:

156 pages ; 24 cm

Place of Publication:

Dedham, MA : Artech House, [1980]

Contents:

1 Real Array Imaging Radars 1

1.1 Resolution Considerations 3

1.1.1 Resolution in the Y-Direction 6

1.2 Discussion of Imaging Radars 10

2 Synthetic Array Radars (SAR) 13

2.1 Phase and Frequency Relationships 13

2.2 Filter Design Principles 16

2.3 Resolution in the Y-Direction 17

2.4 Maximum Resolution 22

2.5 Focused and Unfocused Arrays 23

2.6 Summary and Extension of Equations 27

3 Signal Processing Methods 31

3.1 Holography and Photographic Zone Plates 31

3.2 Optical Signal Processing 34

3.3 Electronic Signal Processing 38

3.4 Electronic Signal Processing Considerations 43

3.4.1 PRF Selection 45

3.5 Power Return Considerations 48

3.5.1 Atmospheric Absorption 52

3.5.2 Average Power Requirements 60

3.5.3 Power Return with Pulse Compression 61

4 Implementation and Application of Sar 65

4.1 Motion Compensation 66

4.2 Storage Media 67

4.3 Complex Filtering 67

4.4 Transmitter-Receiver Stability 68

4.5 Examples of Synthetic Array Radar Imagery 68

4.5.1 Airborne SAR Imagery 71

4.6 Discussion and Application of Synthetic Array Radars 74

4.6.1 State-of-the-Art SAR Applications 75

4.6.2 SAR Technology 76

4.6.3 The Future of SAR 77

5 Pulse Compression Techniques and Sar Mechanization 79

5.1 Mathematical Derivations 82

5.1.1 Convolution Integral 83

5.1.2 Matched Filter Analysis 84

5.2 Range/Range Rate Ambiguity 87

5.3 Digital Pulse Compression 90

5.4 Mechanization Block Diagram 95

5.4.1 Digital Mechanization 96

5.5 Fourier Analysis 96

5.6 Quadrature Components 100

5.7 Digital Mechanization of the Fourier Transform 102

5.8 Digital Signal Processing Block Diagram 104

5.9 Memory and Speed Requirements 104

6 Two-Dimensional Correlation - Design Examples 109

6.1 Stretch Radars 114

6.2 A Design Example 114

6.3 Real Time SAR Image Processing Example 122

6.3.1 Radar System Design Parameters 123

6.3.2 Signal Processing Parameters 125

6.3.3 Power Requirements 129

6.3.4 Signal Processing Mechanization 131

6.4 SAR Equations and Parameters.

Notes:

Includes index.

Bibliography: page [147]

ISBN:

0890060827

OCLC:

5942495