A Novel 3D Imaging Method for Airborne Downward-Looking Sparse Array SAR Based on Special Squint Model

Table 3

The image quality parameters of the selected point target.

Image quality parameters	Azimuth (dB)	Range (dB)	Cross track (dB)
PSLR	−13.20	−13.31	−13.41
ISLR	−10.1069	−11.2014	−11.2879