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《Electronic Measurement Technology》 2008-02
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Influence of wavelets of minimum phase to the effect of minimum square anti-convolution

Yu Rike Yue Jiguang(School of Electronic and Information Engineering,Tongji University,Shanghai 201804)  
Rising up the resolving power is the eternal theme of hydrocarbon reservoir and physical geography.In normal seismic prospecting,the loss of high frequency of seismic signals is great.So people have a lot of ways of deconvolution to raise the resolution.Unfortunately,they need premises,such as wavelets have to be minimum phased and steady.In this article,the importance of minimum phase of wavelets is researched.It is important to distill reflecting coefficients accurately when processing seismic logs.The influence of wavelets of minimum phase to the effect of minimum square anti-convolution is researched.Wavelets of different phases(minimum phase and mixed phase)are experimented to approve the influence to the effect of minimum square anti-convolution.Experimental results of different wavelets demonstrate the effectiveness of minimum phase wavelets.
【Fund】: 胜利油田十一五重点研究项目:“隐蔽型储集地震识别及描述技术研究”资助项目
【CateGory Index】: P631.4
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