Research Article

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

Table 1

Computational results of the RCS values (dBsm unit) of PO scattered fields from the concave patch by using the BF method, the NSDP method, and the HFA method.

Frequency BF-RCSNSDP-RCSHFA-RCS

2024.748124.756724.7294
5026.012226.010825.9868
10026.102326.110726.2339
30027.465627.499927.4377
40024.917624.924524.9925