3D Imaging Algorithm for Down-Looking MIMO Array SAR Based on Bayesian Compressive Sensing

Table 1

Parameters used for simulation.

Parameter	Value
Carrier frequency	37.5 GHz
Pulse bandwidth	300 MHz
Pulse repetition frequency	1024 Hz
Chirp duration	1.0 𝜇s
Radar height	500 m
Radar velocity	50 m/s
Number of transmitting antenna elements	4
Number of receiving antenna elements	32
Azimuth resolution	0.4 m
Range resolution	0.5 m
Cross-track resolution	0.4 m