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    • 3. 发明授权
    • Removing noise from a seismic measurement
    • 从地震测量中消除噪音
    • US09128206B2
    • 2015-09-08
    • US12977383
    • 2010-12-23
    • Ahmet Kemal OzdemirBent Andreas Kjellesvig
    • Ahmet Kemal OzdemirBent Andreas Kjellesvig
    • G01V1/00G01V1/36
    • G01V1/364G01V2210/21G01V2210/32
    • A technique includes decomposing a signal that is derived from a seismic acquisition into a plurality of signals such that each signal is associated with a different frequency band. For each signal of the plurality of signals, the technique includes performing the following: decomposing the signal into subbands in successive stages, where the subbands are associated with at least different frequency ranges of the signal; selectively applying adaptive noise attenuation in between the successive stages such that the stages decompose noise-attenuated subbands; and reconstructing the signal from the subbands resulting from the decomposition. The technique includes combining the reconstructed signals.
    • 一种技术包括将从地震采集导出的信号分解为多个信号,使得每个信号与不同的频带相关联。 对于多个信号中的每个信号,该技术包括执行以下步骤:在连续的阶段将信号分解成子带,其中子带与该信号的至少不同的频率范围相关联; 在连续级之间选择性地应用自适应噪声衰减,使得这些级分解噪声衰减子带; 并且从分解得到的子带重建信号。 该技术包括组合重建的信号。