This course covers the basics of synthetic aperture radar (SAR). In particular, the course will examine why there are limiting design considerations for real aperture radar, and how a synthetic aperture can overcome these limitations to create high-resolution radar imaging. Stripmap and spotlight SAR will be compared and contrasted. Spotlight SAR technology will be compared to computerized axial tomography (CAT). Signal processing of the SAR data will be covered, including motion compensation, Doppler beam-sharpening, polar formatting, aperture weighting (or apodization), and autofocus. Advanced topics will include interferometric processing of SAR data, a brief overview of bi-static SAR, moving targets in SAR, and the difficulty in estimating motion of targets in single-channel SAR. Students will work through problems involving radar and synthetic aperture radar processing. Over the life of the course, each student will develop a SAR simulator that will generate synthetic data based on simple point scatterers in a benign background. The simulator will include an image formation processor, based on modules built by the student.
525.448 Introduction to Radar Systems, along with basic MATLAB skills.