Focusing of Spotlight Tandem-Configuration Bistatic Data with Frequency Scaling Algorithm

Table 4

Quality parameters of impulse-response function of the edge target by using different algorithms for Cases II and III.

	Range			Azimuth
	Resolution (m)	PSLR (dB)	ISLR (dB)	Resolution (m)	PSLR (dB)	ISLR (dB)
Case II (the proposed)	0.75	−13.2648	−9.7708	1.0625	−13.2669	−9.7605
Case II (the MSR based)	0.75	−13.2618	−9.7542	1.375	−11.1847	−7.9352
Case II (the DMO based)	0.75	−13.2365	−9.7750	5.8750	−0.0087	8.2852
Case III (the proposed)	0.75	−13.2626	−9.7577	1.0625	−13.2547	−9.7269
Case III (the MSR based)	0.75	−13.2583	−9.7502	1.6875	−4.0652	−2.9469
Case III (the DMO based)	0.75	−13.2398	−9.7722	6.0625	−00004	8.8628