ECE Course Outline

ECE6272

Fundamentals of Radar Signal Processing (3-0-3)

Prerequisites
ECE 4270
Corequisites
None
Catalog Description
Signal modeling including radar cross section, multipath, and clutter. Properties of the ambiguity function and coded waveforms. Algorithms for doppler processing, detection, and radar imaging.
Textbook(s)
Richards, Mark , Radar Signal Processing, McGraw-Hill-Professional, 2005. ISBN 9780071444743 (required)

Topical Outline
Fundamentals of radar systems  (2 hours)
   - propagating EM waves in space and time
   - Doppler shift
   - Range equation
   - system structure

Signal Models  (4 hours)
   - Radar cross section of targets and clutter
   - multipath
   - statistical signal models, Swerling models
   - advanced (compound) statistical signal models for clutter
   - convolutional models in range and angle
   - frequency domain models

Waveforms  (9 hours)
   - The ambiguity function
   - Basic waveforms: simple pulse, LFM, coherent pulse train
   - Coded waveforms: frequency, phase (biphase, Costas), MCW, step-freq
   - Optimum waveforms for time delay, velocity, acceleration measurements
   - Measurement accuracy, Cramer-Rao bounds

Sampling and quantization  (3 hours)
   - Sampling complex bandpass signals
   - Sampling rates in range, angle, Doppler, space
   - I/Q imbalance and correction techniques
   - Digital I/Q

Doppler processing  (6 hours)
   - Matched filter (vector formulation)
   - MTI as approximation to matched filter for unknown target velocity
   - DFT/pulse Doppler approx to matched filter for known target velocity
   - Improvement factor
   - DPCA for airborne MTI

Optimal Detection  (9 hours)
   - Neyman-Pearson detection and the likelihood ratio
   - threshold detection, targets in Gaussian noise
   - coherent and noncoherent integration; binary integration
   - Optimal detectors for non-Gaussian interference
   - CFAR

Synthetic Aperture Radar  (9 hours)
   - The SAR principle from aperture, Doppler, chirp viewpoints
   - SAR overview: system issues, range migration, processor structure
   - SAR modes: strip map, spotlight, Doppler beam sharpening, Inverse SAR
   - Spotlight SAR and polar format data collection
   - Polar format processing
   - Range migration and chirp scaling algorithms for spotlight SAR        
   - Autofocus: correlation, phase gradient algorithms
   - Interferometric 3D SAR

TOTAL: 42 hours