使用相匹配滤波技术提取基阶面波振型的相位,然后再利用时变滤波进行振幅谱校正,以此分离出基阶振型面波信号。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位,然后再利用时变滤波进行振幅谱校正,以此分离出基阶振型面波信号。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
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