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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (3): 560-567    DOI: 10.3785/j.issn.1008-973X.2012.03.027
地球科学     
压电匹配滤波技术在塔巴庙地区的应用
沈洪垒1,田 钢1,石战结1,张宣堂2,丛志国2,闫立志2
1. 浙江大学 地球科学系,浙江 杭州 310027;2.华北石油局地球物理勘探公司,河南 新乡 453700
Application of piezoelectric matched filtering technique
 in Tabamiao region
SHEN Hong-lei1, TIAN Gang1,SHI Zhan-jie1,ZHANG Xuan-tang2,
CONG Zhi-guo2,YAN Li-zhi2
1.Department of Geosciences, Zhejiang University, Hangzhou 310027,China;2. Geophysics Exploration Company of North China Petroleum Bureau, Xinxiang 453700,China
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摘要：

针对压电检波器价格昂贵且存在不稳定性的问题,提出在同一测线（试验线）上同时布设常规检波器和压电检波器,根据两套数据的差异求得压电匹配滤波器,进而对常规检波器采集的数据进行匹配处理,从而在确保地震记录稳定性的前提下,发挥压电检波器高灵敏度、大动态范围和宽线性工作带的性能优势,以此来改善地震资料的品质.在塔巴庙地区的应用结果表明:该方法能有效地提高地震记录的主频,展宽有效频带宽度；原始地震记录中的一些复合波被打开,弱反射层得到加强,目的层位的标定更加准确、清晰,分辨率得到了有效地提高.
Abstract:

The unstability and high price prevent the piezoelectric geophones from being largely used, according to which, the following method was presented to solve the problems: firstly, set up the conventional electric and piezoelectric geophones in the same survey line (the test line) and collect the seismic data simultaneously, then get a piezoelectric matched filter according to the difference of these two sets of data, and at the end, deal with the data collected by the conventional geophone using the matched filter. During this process, the superiorities of the piezoelectric geophone including the high sensitiveness, large dynamic range and wide linear work band were used well in the premise of ensuring the stability of seismic records. The application in the Tabamiao region showed that the dominant frequency was improved and the effective frequency ranges was broadened; some complex waves in the conventional seismic records were divided, weak reflections were strengthened, the calibration of target layers was more accurate and the resolution was effectively improved.
出版日期: 2012-03-01
:  P 631  
基金资助:

国家科技重大专项专题资助项目(2008ZX05002-005-001).
通讯作者: 石战结,男,工程师.     E-mail: shzj1978@163.com
作者简介: 沈洪垒(1987-), 男,硕士生,从事地震信号采集、处理方面的研究. E-mail:luoxuewenbing@163.com
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引用本文:

沈洪垒,田 钢,石战结,张宣堂,丛志国,闫立志. 压电匹配滤波技术在塔巴庙地区的应用[J]. J4, 2012, 46(3): 560-567.

SHEN Hong-lei, TIAN Gang,SHI Zhan-jie,ZHANG Xuan-tang,CONG Zhi-guo,YAN Li-zhi. Application of piezoelectric matched filtering technique
 in Tabamiao region. J4, 2012, 46(3): 560-567.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.03.027    或    http://www.zjujournals.com/eng/CN/Y2012/V46/I3/560

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