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高分辨率地震勘探中接收系统的滤波效应
石油物探
1997年 36卷 第No. 3期
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Title
The filtering effect of receiving system in high-resolution seismic exploration
单位
1. 中国地质大学, 武汉 430074;2. 中原油田地调处, 濮阳 457001
Organization
Department of Applied Geophysics, China University of Geosciences, Wuhan 430074
摘要
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。
Abstract
In the paper, we systemaically discuss the frequency response for geophone array, multiple coverage, geophone frequency, and low cut frequency of preamplifier. They form a filter of receiving system.Improper choice of relevant parameters will cause large distortions in seismic signals recorded.
关键词：
高分辨率地震勘探;
频率响应;
滤波通放带;
频带宽度;
Keywords:
High-Resolution Seismic Exploration;
Frequency Response;
Filtering Passband;
Bandwidth;
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