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由于常用的高频近似法和数值方法难于求解较复杂目标的电磁散射问题，故提出一种将迭代物理光学法（ＩＰＯ）和矩量法（ＭＯＭ）相结合计算二维开槽电大目标电磁散射的混合方法．该方法根据等效原理将原问题进行分解，分别采用迭代物理光学法和矩量法计算槽缝填充的电大目标散射场和槽缝散射，并应用广义网络原理处理口径耦合问题．数据结果表明这种方法是精确和高效的．
Because the commonly used high-frequency approximation and numerical methods are difficult to solve the electromagnetic scattering problems of more complex targets, a new method combining iterative physical optics (IPO) and moment method (MOM) Mixed method. The method decomposes the original problem based on the equivalent principle. The iterative physical optics method and the moment method are used respectively to calculate the scattering target scattering field and the slot scattering in slot joints. The generalized network principle is used to deal with the coupling problem. The data shows that this method is accurate and efficient.