Fig. 12
From: Feature extraction of SAR scattering centers using M-RANSAC and STFRFT-based algorithm
Simulation test. a Doppler spectrum of a range-compressed signal (range-compressed Doppler domain). b Extracted spectral envelopes of T3 using FFT and APES. c Time-domain range-compressed signal (range-compressed azimuth-time domain). d SAR image formed by mapping the extracted feature. e SAR image with eight times interpolation formed by chirp-scaling algorithm. f SAR image formed by chirp-scaling algorithm