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本文利用边界积分法及连接算法分析导电平面上的三维腔体散射 .在引入广义导纳矩阵后 ,可将腔体分为几段 ,分别用积分方程法计算每段的广义导纳矩阵 .然后利用连接算法得到整个腔体的口径导纳矩阵 .最后由广义网络原理求解腔体的口径等效磁流及后向散射场 .本文方法极大地缓解了计算机内存对腔体尺寸的限制 ,提高了分析效率 ,可作为一种机辅设计算法。
In this paper, the boundary integral method and the connection algorithm are used to analyze the three-dimensional cavity scattering in the conductive plane. After introducing the generalized admittance matrix, the cavity can be divided into several sections and the generalized admittance matrix of each section can be calculated by integral equation The aperture admittance matrix of the whole cavity is obtained by using the connection algorithm.At the end of this paper, the generalized network principle is used to solve the cavity equivalent aperture and the backscattering field.The method of this paper greatly reduces the limitation of computer memory on cavity size, Analysis of efficiency, can be used as a computer-aided design algorithm.