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本文利用边界积分法分析二维任意腔体的散射，给出一种基于微波网络原理的连接算法，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，然后利用连接算法将各段连接，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等效磁流及后向散射场。本文方法可作为一种机辅设计算法。
In this paper, the boundary integral method is used to analyze the scattering of arbitrary two-dimensional cavity. A connection algorithm based on the microwave network theory is proposed. The cavity is divided into several sections, and the generalized admittance matrix of each section is calculated by the integral equation method. The connection algorithm connects the sections and obtains the caliber admittance matrix of the whole cavity. Finally, the generalized network principle is used to solve the cavity equivalent magnetic flux and backscattering field. The proposed method can be used as an auxiliary design algorithm.