A Novel Downward-Looking Linear Array SAR Imaging Method Based on Multiple Measurement Vector Model with -Norm

Table 3

Imaging performance of the distributed targets.

	3DRD	SMV-OMP	Proposed method
Relative mean square error	0.8734	0.1905	0.0847
Mean running time (s)	6.85 s	154.72 s	33.24 s