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本文对过滤简正波研究中的某些实际问题进行了理论分析,并以浅海均匀层为例,具体分析了下列问题:(1)仅在水层实施正交运算的“海底余项”;(2)有限离散采样正交运算所产生的“旁办”;(3)离散限幅重台过滤问题;(4)阵倾斜的影响及补偿问题。文中所得结果对于过滤简正波在技术上的实际应用具有指导意义。
In this paper, some practical problems in filtering simplified normal wave are theoretically analyzed. Taking the shallow sea uniform layer as an example, the following problems are analyzed in detail: (1) “Remainder of seafloor” ) Discrete sampling orthogonal operation generated by the “next to do”; (3) discrete limit heavy Taiwan filter problem; (4) array tilt and compensation issues. The results obtained in this paper are instructive for filtering simple normal wave in practical application.