本文重点论述数字检波器的畸变测量的理论根据和测量方法。
The emphasis laid on this article is to expound the theoretical grounds and way of measurement about the distortion measurement of digital seismometer.
用于地震勘探电缆接收道的数字检波器，其性能已有了很大提升。
The performance of the digital detector used in cable receive channel has been improved obviously.
简要介绍地音探测器的基本原理，SN - 4数字检波器的频率特性。
In this paper, the basic principle of geophone detector and the frequency characteristics of SN-4 digital detector are briefly introduced.
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