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本文较系统地讨论了组合法、多次覆盖、检波器的频率、前放滤波器低截止频率的频率响应，它们组成一个接收系统的滤波器，如果有关参数选择不当，会使记录的地震信号受到很大的畸变。
This article systematically discusses the combinatorial method, multiple coverage, the frequency of the detector, the frequency response of the low-cutoff frequency of the pre-filter, which forms a filter of the receiving system. If the relevant parameters are not properly selected, the recorded seismic signal Subject to great distortion.