Efficient and Memory Saving Method Based on Pseudoskeleton Approximation for Analysis of Finite Periodic Structures

Figure 2

Radar cross sections (V-V polarization) of the sphere array with (a) 0.5 m and (b) 0.1 m gap computed by FEKO, MLFMA, and periodic PSA. The incident plane wave angles satisfy ° and °. The scattering angles work with varies from 0° to 360° and °.

(a)

(b)