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研究一种基于细线散射的时域有限差分法。利用该法可求解细线结构的电磁辐射及散射等问题。与传统时域有限差分法相比 ,该法处理细线结构更简单、有效。还利用该法研究了线天线电磁辐射、散射问题 ,并将结果与时域积分方程的结果进行了比对 ,取得了较好效果。
A finite-difference time-domain method based on thin-line scattering is studied. The method can be used to solve the problems of electromagnetic radiation and scattering of thin wire structures. Compared with the traditional finite-difference time-domain method, this method is simpler and more effective for processing thin-wire structures. This method is also used to study the electromagnetic radiation and scattering problems of the wire antenna. The results are compared with those of the time-domain integral equation, and the good results are obtained.