The Efficient Method for Calculating the Physical Optics Scattered Fields from the Concave Surfaces

Figure 5

Results and CPU time of the scattered fields with the increasing frequency . (a) Comparisons of the RCS values produced by the NSDP method, the BF method, and the HFA method. (b) Comparisons of the CPU time of calculating the PO scattered fields by the NSDP method, the BF method, and the HFA method.

(a)

(b)