Abstract:The time-domain EFIE and MFIE approaches produce late-time oscillation for transient scattering responses from conducting objects when the incident spectrum of the field contains frequency components, which may correspond to the internal resonance of the structure. A time-domain Combined Field Integral Equation (CFIE) is presented. This formulation is based on a linear combination of the time-domain EFIE with MFIE. Numerical results for the EFIE, MFIE, and CFIE are presented and compared with those obtained from the Inverse Discrete Fourier Transform (IDFT) of the frequency-domain CFIE solution. And the time-domain CFIE solutions devoid of any resonant components.
任猛; 周东明; 刘锋; 何建国. 基于时域混合场积分方程求解目标瞬态散射特性[J]. 电子与信息学报, 2008, 30(2): 494-497 .
Ren Meng; Zhou Dong-ming; Liu Feng; He Jian-guo. The Solution of Time-Domain Combined Field Integral Equation for Transient Scattering by Conducting Surfaces of Arbitrary Shape. , 2008, 30(2): 494-497 .