Detection of stationary targets using Discrete Prolate Spheroidal Sequences

We present a new greedy algorithm for detecting stationary targets from radar returns. Modulated Discrete Prolate Spheroidal Sequences (DPSS's) form an efficient basis for sampled bandpass signals. In each step of an iterative algorithm, we use a modulated DPSS basis to cancel nearly all of the target return corresponding to previously selected targets. With this basis, we improve upon the target detection sensitivity of a Fourier-based technique.