... 天线交换器 exchanger antenna 切除滤波器 excision filter (能量，模态等之)激发 excitation ...
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FIR excision filter FIR陷波器
filter excision 切除滤波器
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Mainly used three methods, including including the F-K domain filter, internal excision and the energy decay method to attenuate multiple and obtained a more ideal result.
主要采用了F - K域滤波法、内切除和近道能量衰减法压制多次波三种技术，取得了较好的效果。
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