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本文提出了一种新的入射场设置方法.采用一维FDTD算法来模拟入射波.所得结果与通常的入射场解析表达式的结果比较表明,采用一维FDTD算法引入的入射波在总场区分布均匀,在散射场区泄漏小.
In this paper, a new method for setting the incident field is proposed. One-dimensional FDTD algorithm is used to simulate the incident wave. Comparing the results with the usual analytical results of the incident field, it is shown that the incident wave introduced by the one- Distribution, leakage in the scattering area is small.