Handbook of Radar Signal Analysis

Bassem R. Mahafza, Scott C. Winton, Atef Z. Elsherbeni

Chapter 1. Signal and Systems - A Refresher. 1.1. Signal Classification. 1.2. Signal Expansion Functions. 1.3. The Fourier Transform. 1.4. Systems Classification. 1.5. Spectra of Common Radar signals. 1.6. Convolution Integral. 1.7. Correlation. 1.8. Bandpass Signals. 1.9. Discrete Time Systems and Signals. 1.10. The Z-Transform. 1.11. The Discrete Fourier Transform. 1.12. Random Variable and Random Processes. Chapter 2: Radar Systems Basics. 2.1. Radar Block Diagram. 2.2. Radar Specific Terms. 2.3. Radar Systems Classifications and Bands. 2.4. Decibel Arithmetic. 2.5. Electromagnetic Wave (RF) Waves. 2.6. Coherence. 2.7. The Radar Antenna. 2.8. Radar Cross Section (RCS). 2.9. Radar Measurements Errors. Chapter 3: The Radar Equation. 3.1. The Radar Range Equation. 3.2. Bistatic Radar Equation. 3.3. Radar Losses. 3.4. Noise Figure. 3.5. Continuous Wave (CW) Radars. Chapter 4: Radar Propagation Medium. 4.1. The Earth’s Impact on the Radar Equation. 4.2. Earth’s Atmosphere. 4.3. Atmospheric Models. 4.4. Four-Third Earth Model. 4.5. Ground Reflection. 4.6. The Pattern Propagation Factor. 4.7. Diffraction. Chapter 5: Radar Electronic Warfare Techniques. 5.1. Electronic Warfare Classes. 5.2. Passive Jamming Techniques. 5.3. The Radar Equation with Jamming. 5.4. Noise (Denial) Jamming Techniques. 5.5. Deceptive Jamming. 5.6. Electronic Counter-Counter (ECCM) Techniques. 5.7. Case Studies. Chapter 6: The Matched Filter Receiver. 6.1. The Matched Filter. 6.2. General Formula for the Output of the Matched Filter. 6.3. Waveform resolution. 6.4. Range and Doppler Uncertainty. 6.5. Combined Range-Doppler Uncertainty. 6.6. Target Parameter Estimation. 6.7. Pulse Compression. Chapter 7: The Radar Ambiguity Function. 7.1. Ambiguity Function Definition. 7.2. Effective Signal Bandwidth and Duration. 7.3. Single Pulse Ambiguity Function. 7.4. LFM Ambiguity Function. 7.5. Coherent Pulse Train Ambiguity Function. 7.6. Pulse train with LFM Ambiguity Function. 7.7. Stepped Frequency Waveform Ambiguity Function. 7.8. Nonlinear Frequency Modulation (NLFM). 7.9. Ambiguity Diagram Contours. 7.10. Discrete Code Signal Representation. 7.11. Phase Coding. 7.12. Frequency Codes. Chapter 8: Target Detection. Part I - Single Pulse Detection. 8.1. Single Pulse with Known Parameters. 8.2. Single Pulse with Known Amplitude and Unknown Phase. Part II - Detection of Fluctuating Targets. 8.3. Pulse Integration. 8.4. Probability of Detection Calculation. 8.5. Cumulative Probability of Detection. 8.6. Constant False Alarm Rate (CFAR). 8.7. M-out-of-N Detection. 8.8. The Radar Equation Revisited. 8.9. The Incomplete Gamma Function. Chapter 9: Radar Signal Processing in Clutter. 9.1. Introduction. 9.2. Clutter Definition. 9.3. Volume Clutter. 9.4. Area Clutter. 9.5. Clutter RCS, Ground-Based. 9.6. Amplitude Distribution. 9.7. Area Clutter Spectrum. 9.8. Doppler Processing. 9.9. Moving Target Indicator. 9.10. Pulse Doppler Processing. 9.11. Ambiguity Resolution. 9.12. Limitations of Doppler Processioning. Appendix 9-A: Fill Pulses in Pulse Doppler Radars. 9-A.1. Range and Doppler Ambiguities. 9-A.2. Overview of Fill Pulses. 9-A.3. Pulse Doppler Waveform with Fill Pulses. 9-A.4. Recovery of Fill Pulses. 9-A.5. Doppler Filter Fill Pulses. 9-A.6. Caveats and Extension. Chapter 10: Radar Tracking. 10.1. Introduction. 10.2. Basic Concepts. 10.3. Measurements. 10.4. Filtering. 10.5. Derivation of Recursive Least Squares. 10.6. Data Association. 10.7. Tracking Maneuvering Targets. Chapter 11: Canonical and Finite Difference Time Domain Methods for RCS Computations. 11.1. Radar Cross Section (RCS) Definition. 11.2. RCS Dependency on Aspect Angle and Frequency. 11.3. Target Scattering Matrix. 11.4. Scattering off Basic Canonical Objects. 11.5. RCS Approximation of Simple Objects. 11.6. RCS Computational Electromagnetics. 11.7. Simulations using the FDTD Method. Chapter 12: Integral and Physical Optics Methods for RCS Computation. 12.1. Introduction. 12.2. Radiation and Scattering. 12.3. Numerical Methods. 12.4. RCS Data Products. 12.5. Scattering Coordinate System. 12.6. Examples. Chapter 13: Antennas for Radar Applications. 13.1. Antenna types. 13.2. Antenna Basic Parameters. 13.3. General Array Antennas. 13.4. Linear Arrays. 13.5. Array Tapering. 13.6. Planar Arrays. 13.7. Three- Dimensional Arrays. 13.8. Array Feeding and Beamforming Networks. Chapter 14: Synthetic Aperture Radar (SAR). 14.1. Basic Strip-Mode Synthetic Aperture (SAR) Concept. 14.2. SAR Image Formation. 14.3. Image Quality Considerations. 14.4. Spotlight SAR. 14.5. Inverse Synthetic Aperture Radar (ISAR). Chapter 15: Wideband Radar Applications. 15.1. Introduction. 15.2. Bands Versus Bandwidth. 15.3. Wideband Radar Applications. Chapter 16: Modern Digital Array Antennas for Radar Applications. 16.1. Introduction. 16.2. Introduction to Digital Arrays. 16.3. Comparison of Array Antenna Architectures by Example. 16.4. Other Digital Array Advantages. 16.5. Extreme Data Rates Demands in Digital Arrays. 16.6. Digital Down Conversion and Digital Up Conversion. 16.7. Array Factor versus Huygens-Fresnel Principle. 16.8. Simultaneous Receive Beams. 16.9. Array Scanning Effects to Array Pattern. 16.10. Noise Figure and Third Order Intercept in AESA. 16.11. Concluding Remarks.