5.
    发明专利
    未知

    公开(公告)号:NO20044420L

    公开(公告)日:2004-10-19

    申请号:NO20044420

    申请日:2004-10-19

    Abstract: The present invention provides an adaptive filtering method for substantially eliminating ground roll noise encountered during seismic data acquisition. An apparatus for acquiring seismic data is provided that includes an adaptive filtering circuit coupled to a multi-axis sensor device.

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