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Inverse Synthetic Aperture Radar Imaging With MATLAB Algorithms

Book Description

This book provides a full representation of Inverse Synthetic Aperture Radar (ISAR) imagery, which is a popular and important radar signal processing tool. The book covers all possible aspects of ISAR imaging. The book offers a fair amount of signal processing techniques and radar basics before introducing the inverse problem of ISAR and the forward problem of Synthetic Aperture Radar (SAR). Important concepts of SAR such as resolution, pulse compression and image formation are given together with associated MATLAB codes.

After providing the fundamentals for ISAR imaging, the book gives the detailed imaging procedures for ISAR imaging with associated MATLAB functions and codes. To enhance the image quality in ISAR imaging, several imaging tricks and fine-tuning procedures such as zero-padding and windowing are also presented. Finally, various real applications of ISAR imagery, like imaging the antenna-platform scattering, are given in a separate chapter. For all these algorithms, MATLAB codes and figures are included. The final chapter considers advanced concepts and trends in ISAR imaging.

Table of Contents

  1. Cover
  2. WILEY SERIES IN MICROWAVE AND OPTICAL ENGINEERING
  3. Title page
  4. Copyright page
  5. Dedication
  6. Preface
  7. Acknowledgments
  8. CHAPTER ONE: Basics of Fourier Analysis
    1. 1.1 FORWARD AND INVERSE FOURIER TRANSFORM
    2. 1.2 FT RULES AND PAIRS
    3. 1.3 TIME-FREQUENCY REPRESENTATION OF A SIGNAL
    4. 1.4 CONVOLUTION AND MULTIPLICATION USING FT
    5. 1.5 FILTERING/WINDOWING
    6. 1.6 DATA SAMPLING
    7. 1.7 DFT AND FFT
    8. 1.8 ALIASING
    9. 1.9 IMPORTANCE OF FT IN RADAR IMAGING
    10. 1.10 EFFECT OF ALIASING IN RADAR IMAGING
    11. 1.11 MATLAB CODES
  9. CHAPTER TWO: Radar Fundamentals
    1. 2.1 ELECTROMAGNETIC (EM) SCATTERING
    2. 2.2 SCATTERING FROM PECS
    3. 2.3 RADAR CROSS SECTION (RCS)
    4. 2.4 RADAR RANGE EQUATION
    5. 2.5 RANGE OF RADAR DETECTION
    6. 2.6 RADAR WAVEFORMS
    7. 2.7 PULSED RADAR
    8. 2.8 MATLAB CODES
  10. CHAPTER THREE: Synthetic Aperture Radar
    1. 3.1 SAR MODES
    2. 3.2 SAR SYSTEM DESIGN
    3. 3.3 RESOLUTIONS IN SAR
    4. 3.4 SAR IMAGE FORMATION: RANGE AND AZIMUTH COMPRESSION
    5. 3.5 RANGE COMPRESSION
    6. 3.6 PULSE COMPRESSION
    7. 3.7 AZIMUTH COMPRESSION
    8. 3.8 SAR IMAGING
    9. 3.9 EXAMPLE OF SAR IMAGERY
    10. 3.10 PROBLEMS IN SAR IMAGING
    11. 3.11 ADVANCED TOPICS IN SAR
    12. 3.12 MATLAB CODES
  11. CHAPTER FOUR: Inverse Synthetic Aperture Radar Imaging and Its Basic Concepts
    1. 4.1 SAR VERSUS ISAR
    2. 4.2 THE RELATION OF SCATTERED FIELD TO THE IMAGE FUNCTION IN ISAR
    3. 4.3 ONE-DIMENSIONAL (1D) RANGE PROFILE
    4. 4.4 1D CROSS-RANGE PROFILE
    5. 4.5 2D ISAR IMAGE FORMATION (SMALL BANDWIDTH, SMALL ANGLE)
    6. 4.6 2D ISAR IMAGE FORMATION (WIDE BANDWIDTH, LARGE ANGLES)
    7. 4.7 3D ISAR IMAGE FORMATION
    8. 4.8 MATLAB CODES
  12. CHAPTER FIVE: Imaging Issues in Inverse Synthetic Aperture Radar
    1. 5.1 FOURIER-RELATED ISSUES
    2. 5.2 IMAGE ALIASING
    3. 5.3 POLAR REFORMATTING REVISITED
    4. 5.4 ZERO PADDING
    5. 5.5 POINT SPREAD FUNCTION (PSF)
    6. 5.6 WINDOWING
    7. 5.7 MATLAB CODES
  13. CHAPTER SIX: Range-Doppler Inverse Synthetic Aperture Radar Processing
    1. 6.1 SCENARIOS FOR ISAR
    2. 6.2 ISAR WAVEFORMS FOR RANGE-DOPPLER PROCESSING
    3. 6.3 DOPPLER SHIFT’S RELATION TO CROSS RANGE
    4. 6.4 FORMING THE RANGE-DOPPLER IMAGE
    5. 6.5 ISAR RECEIVER
    6. 6.6 QUADRADURE DETECTION
    7. 6.7 RANGE ALIGNMENT
    8. 6.8 DEFINING THE RANGE-DOPPLER ISAR IMAGING PARAMETERS
    9. 6.9 EXAMPLE OF CHIRP PULSE-BASED RANGE-DOPPLER ISAR IMAGING
    10. 6.10 EXAMPLE OF SFCW-BASED RANGE-DOPPLER ISAR IMAGING
    11. 6.11 MATLAB CODES
  14. CHAPTER SEVEN: Scattering Center Representation of Inverse Synthetic Aperture Radar
    1. 7.1 SCATTERING/RADIATION CENTER MODEL
    2. 7.2 EXTRACTION OF SCATTERING CENTERS
    3. 7.3 MATLAB CODES
  15. CHAPTER EIGHT: Motion Compensation for Inverse Synthetic Aperture Radar
    1. 8.1 DOPPLER EFFECT DUE TO TARGET MOTION
    2. 8.2 STANDARD MOCOMP PROCEDURES
    3. 8.3 POPULAR MOCOMP TECHNIQUES IN ISAR
    4. 8.4 MATLAB CODES
  16. CHAPTER NINE: Some Imaging Applications Based on Inverse Synthetic Aperture Radar
    1. 9.1 IMAGING ANTENNA-PLATFORM SCATTERING: ASAR
    2. 9.2 IMAGING PLATFORM COUPLING BETWEEN ANTENNAS: ACSAR
    3. 9.3 IMAGING SCATTERING FROM SUBSURFACE OBJECTS: GPR-SAR
  17. Appendix
  18. Index