Combination of MLFMA and ACA to Accelerate Computation of Scattering from Underground Targets

Table 1

Computational parameters of bistatic RCS of two identical balls with a radius of 2 m.

Distance (m)	(MHz)		MoM-MLFMA			MoM-MLFMA-ACA
			Filling time (s)	Iteration time (s)	Total time (s)	Filling time (s)	Iteration time (s)	Total time (s)
5	300	15360	86	31	118	78	17	96
4.5	300	15360	86	30	117	81	18	100