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

Table 2

Parameters of MLFMA.

	(MHz)	Sphere		Upon rough surface		Below rough surface
		Density (edges/^2)	MLFMA stages	Density (edges/^2)	MLFMA stages	Density (edges/^2))	MLFMA stages
2.0	100	690	1	949	2	474	2
4.0	100	345	1	949	2	237	3
2.0	300	306	2	295	3	148	4
4.0	300	153	3	295	3	74	4