Fast Hybrid Method for the Study on Monostatic Scattering from Plasma-Coated Target above a Rough Surface

Table 1

Comparison of the computational time and complexity between the hybrid method and MoM.

Length of the rough surface	Time (seconds)		Ratio of the computational time by our method and MoM	Complexity
	Hybrid method	MoM (CG)		𝑁: rough surface; 𝑀: target
512𝜆	19	780	2.4%	Hybrid method	MoM (CG)
1024𝜆	61	3608	1.6%	𝑂(𝑁×𝑀)	𝑂(2𝑁+𝑀)^2