Exploiting Chirp Rate Estimation Methods to Improve Image Formation Quality of Synthetic Aperture Radar

Table 3

Average number of point target extension pixels along with azimuth for 9 targets in the final images produced by using different algorithms.

Algorithm	Azimuth target extension (m)
Algorithm in [23]	2.1
Algorithm in [24]	4.9
Without chirp estimation (common method)	7.1