科研之友
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摘要
A novel method for calculating physical optics (PO) integrals over an electrically large target illuminated by a complex source beam is presented. A high-order triangular element is used to mesh the surface of this target. The PO integrals over these elements are calculated with a delaminating quadrature method. This method is very stable, accurate, and efficient, and its computation cost remains constant as the frequency increased. The influence of critical points is taken into account by subdividing the integral intervals. Numerical results are shown in this article to demonstrate the efficiency of this approach.
- 出版日期2017
- 单位电子科技大学
