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Digital Signal Processing Techniques and Applications in Radar Image Processing

Book Description

A self-contained approach to DSP techniques and applications in radar imaging

The processing of radar images, in general, consists of three major fields: Digital Signal Processing (DSP); antenna and radar operation; and algorithms used to process the radar images. This book brings together material from these different areas to allow readers to gain a thorough understanding of how radar images are processed.

The book is divided into three main parts and covers:

* DSP principles and signal characteristics in both analog and digital domains, advanced signal sampling, and interpolation techniques

*Antenna theory (Maxwell equation, radiation field from dipole, and linear phased array), radar fundamentals, radar modulation, and target-detection techniques (continuous wave, pulsed Linear Frequency Modulation, and stepped Frequency Modulation)

*Properties of radar images, algorithms used for radar image processing, simulation examples, and results of satellite image files processed by Range-Doppler and Stolt interpolation algorithms

The book fully utilizes the computing and graphical capability of MATLAB? to display the signals at various processing stages in 3D and/or cross-sectional views. Additionally, the text is complemented with flowcharts and system block diagrams to aid in readers' comprehension.

Digital Signal Processing Techniques and Applications in Radar Image Processing serves as an ideal textbook for graduate students and practicing engineers who wish to gain firsthand experience in applying DSP principles and technologies to radar imaging.

Table of Contents

  1. Cover Page
  2. Title Page
  3. Copyright
  4. Dedication
  5. Contents
  6. PREFACE
    1. Acknowledgment
  7. LIST OF SYMBOLS
  8. LIST OF ILLUSTRATIONS
    1. Figures
    2. Table
  9. 1: SIGNAL THEORY AND ANALYSIS
    1. 1.1 SPECIAL FUNCTIONS USED IN SIGNAL PROCESSING
    2. 1.2 LINEAR SYSTEM AND CONVOLUTION
    3. 1.3 FOURIER SERIES REPRESENTATION OF PERIODIC SIGNALS
    4. 1.4 NONPERIODIC SIGNAL REPRESENTATION BY FOURIER TRANSFORM
    5. 1.5 FOURIER TRANSFORM OF A PERIODIC SIGNAL
    6. 1.6 SAMPLING THEORY AND INTERPOLATION
    7. 1.7 ADVANCED SAMPLING TECHNIQUES
  10. 2: DISCRETE TIME AND FREQUENCY TRANSFORMATION
    1. 2.1 CONTINUOUS AND DISCRETE FOURIER TRANSFORM
    2. 2.2 KEY PROPERTIES OF DISCRETE FOURIER TRANSFORM
    3. 2.3 WIDOWS AND DISCRETE FOURIER TRANSFORM
    4. 2.4 FAST FOURIER TRANSFORM
    5. 2.5 DISCRETE COSINE TRANSFORM (DCT)
    6. 2.6 CONTINUOUS AND DISCRETE SIGNALS IN TIME AND FREQUENCY DOMAINS
  11. 3: BASICS OF ANTENNA THEORY
    1. 3.1 MAXWELL AND WAVE EQUATIONS
    2. 3.2 RADIATION FROM AN INFINITESIMAL CURRENT DIPOLE
    3. 3.3 RADIATION FROM A HALF-WAVELENGTH DIPOLE
    4. 3.4 RADIATION FROM A LINEAR ARRAY
    5. 3.5 POWER RADIATION PATTERN FROM A 2D RECTANGULAR ARRAY
    6. 3.6 FUNDAMENTALS OF ANTENNA PARAMETERS
    7. 3.7 COMMONLY USED ANTENNA GEOMETRIES
  12. 4: FUNDAMENTALS OF RADAR
    1. 4.1 PRINCIPLES OF RADAR OPERATION
    2. 4.2 BASIC CONFIGURATION OF RADAR
    3. 4.3 THE RADAR RANGE EQUATION
    4. 4.4 CROSS SECTION AND CLUTTER
    5. 4.5 DOPPLER EFFECT AND FREQUENCY SHIFT
    6. 4.6 RADAR RESOLUTION AND AMBIGUITY FUNCTION
  13. 5: RADAR MODULATION AND TARGET DETECTION TECHNIQUES
    1. 5.1 AMPLITUDE MODULATION (AM) RADAR
    2. 5.2 TARGET DETECTION TECHNIQUES OF AM-BASED RADAR
    3. 5.3 FREQUENCY MODULATION (FM)-RADAR
    4. 5.4 TARGET DETECTION TECHNIQUES OF FM-BASED RADAR
  14. 6: BASICS OF RADAR IMAGING
    1. 6.1 BACKGROUND
    2. 6.2 GEOMETRY OF IMAGING RADAR
    3. 6.3 DOPPLER FREQUENCY AND RADAR IMAGE PROCESSING
    4. 6.4 RANGE MIGRATION AND CURVATURE
    5. 6.5 GEOMETRIC DISTORTIONS OF THE RADAR IMAGE
    6. 6.6 RADAR IMAGE RESOLUTION
  15. 7: SYSTEM MODEL AND DATA ACQUISITION OF SAR IMAGE
    1. 7.1 SYSTEM MODEL OF RANGE RADAR IMAGING
  16. 8: RANGE–DOPPLER PROCESSING ON SAR IMAGES
    1. 8.1 SAR IMAGE DATA GENERATION
    2. 8.2 SYNTHESIS OF A BROADSIDE SAR IMAGE DATA ARRAY
    3. 8.3 SYNTHESIS OF A SQUINT SAR IMAGE DATA ARRAY
    4. 8.4 RANGE–DOPPLER PROCESSING OF SAR DATA
    5. 8.5 SIMULATION RESULTS
  17. 9: STOLT INTERPOLATION PROCESSING ON SAR IMAGES
    1. 9.1 WAVENUMBER DOMAIN PROCESSING OF SAR DATA
    2. 9.2 DIRECT INTERPOLATION FROM UNEVENLY SPACED SAMPLES
    3. 9.4 RECONSTRUCTION OF SATELLITE RADAR IMAGE DATA
  18. FURTHER READING
  19. INDEX