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Chinese Journal Of Geophysics  2008, Vol. 51 Issue (3): 853-861    DOI:
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     $author.xingMing_EN, $author.xingMing_EN, $author.xingMing_EN,et al .2008.Quality factor extraction using instantaneous frequency at envelope peak of direct waves of VSP data.Chinese Journal Geophysics,51(3): 853-861,doi:
Quality factor extraction using instantaneous frequency at envelope peak of direct waves of VSP data
GAO Jing-Huai1;YANG Sen-Lin1;WANG Da-Xing1,2
1 Wave and Information Institute, School of Electronic and Information Engineering, Xi′an Jiaotong University, Xi′an 710049, China;2 Research Institute of E & D, Changqing Oil-Field Company of CNPC, Xi′an 710021, China

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