Study on the Composite EM Scattering from Sea Surface with Ship Based on Kd-Tree Accelerated Hybrid Model

Table 2

Calculation time of the composite scattering of the sea surface and ship for the different methods.

The number of patches		Calculation time (sec.)		Efficiency (improved one/original one)
Ship	Sea surface	Original method	Improved method
4340	130050	319.673	119.281	2.68
9576	130050	360.449	125.592	2.87
27527	130050	546.676	215.227	2.54
9576	79202	223.419	73.252	3.05
9576	32258	93.745	29.95	3.13

Calculated by a computer with Intel(R) Core(TM) i7-6700 CPU @ 3.40 GHz.