Research Article

A Novel Scheme with FG-FFT for Analysis of Electromagnetic Scattering from Large Objects

Table 2

Some related data for examples.

Ex Method Memory requirement (M) CPU time (s) RMSE
Near-field Coefficient Total Correction matrix Per iteration Total

A 0.1 [T] 236 488 1024 115 10.23 1270 0.060
[O] 123 488 911 73 10.12 1224 0.061
0.2 [T] 840 428 1364 317 2.75 710 0.071
[O] 345 428 869 134 2.25 512 0.073

B 0.2 [T] 1458 709 2502 518 6.8 1541 0.089
[O] 607 709 1651 229 6.1 1248 0.094