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.
在频谱分析和能量曲线分析的对比中，数字检波器的性能也高于模拟检波器。
The performance of the digital sensor is better than the traditional geophone during the spectrum and energy analysis of both data.
光栅数字检波器是基于光栅测量技术具有误差平均效应、精度高、动态范围宽等特点而设计的。
Grating digital geophone is designed based on that the grating measurement techniques are the characteristics of averaging-error effect, high precision and broad dynamic range.
本文从分析数字检波器的现状着手，对光栅数字检波器的原理及其输出信号的处理方法进行了详尽地分析。
Starting from analyzing the current situations of grating digital geophone, the paper analyzed in detail the principle of grating digital geophone and processing approaches of output signals.
介绍了数字真有效值检波器的原理和性能并与其它真有效值检波器做了对比。
Digital RMS detectors principle and character are introduced in this paper, and compare with analogue RMS detector.
现已研制成功系列数字化检测设备，用以测试地震检波器的各种参数。
A set of digital detection instruments have been developed to detect various parameters of geophone.
我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。
An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.
提出用二分项采样法实现直接中频采样，而数字式检波器采用数字内插法。
It was suggested that direct intermediate frequency sampling was approached by two branch sampling, otherwise digital product detector was adopted to digital interpolation.
新型数字式地震检波器的设计，完全可以适应高分辨率地震勘探的要求，为基于可控震源的新型地震仪的实现起到了决定性作用。
The new design of digital geophone used in the occasion of high resolution seismic prospecting will pay an important roll in a new kind of seismography.
光栅数字地震检波器的研制成功，提高了检波器的精度和动态范围。
The development of grating digital geophone enhances geophone precision and dynamic range.
重点介绍了光栅数字地震检波器的结构设计、理论分析、辨向细分技术等。
Configuration design, theory analysis, directions distinguish and subdivision technology are presented as emphasis.
重点介绍了光栅数字地震检波器的结构设计、理论分析、辨向细分技术等。
Configuration design, theory analysis, directions distinguish and subdivision technology are presented as emphasis.
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