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《Journal of Chengde Petroleum College》 2005-02
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Application of Wavelet Analysis in Signal Handling of Wireless Measurement While Drilling

TONG Hong-lei~1,JU Kai-sheng~2,CHEN Chun-jie~3(1.Jianghan Petroleum Administration,Qianjiang,Hubei 433124,China;2.Southwest Petroleum Institute,Nanchong,Sichuan 637001,China;3.Wuhan University of Technology,Wuhan,Hubei 430064,China)  
The characteristics of downhole signals and noises are analyzed in detail.Divide phase code is adopted for transmission information,which improves the reliability of measurement.A principle of drawing useful signal by a method of wavelet transfer de-noising is discussed,and imitate result is given.
【CateGory Index】: TE27
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