Table 1: Main system parameters of point target simulation.

Number of Tx/Rx 2
Pulse duration10 μs
Acquisition time6 s
Rotational distance800 km
PRF1598 Hz
Step frequency250 MHz
Center frequency of subband 19.65 GHz
Azimuth baseline2.3 m
Platform velocity7390 m/s
Center distance of scene617 km