Simulation Analysis and Model of Current Retrieval Based on Marine Radar Sea Clutter Images

Table 4

Inversion variance based on simulation sea clutter images.

Method	Current speed variance	Current direction variance
ILSM (0-order)	1.2745	2.0465
ILSM (1-order)	1.0989	2.0656
ILSM (2-order)	1.0648	2.0656
PSO (average)	0.9972	1.8284
PSO (optimal value)	0.8553	1.9255