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    • 3. 发明授权
    • Apparatus for generating seismic signals having distinguishing signatures
    • 用于产生具有区别特征的地震信号的装置
    • US08462589B2
    • 2013-06-11
    • US12645835
    • 2009-12-23
    • Gary A. SittonRobert BloorJ. MacDonald Smith
    • Gary A. SittonRobert BloorJ. MacDonald Smith
    • G01V1/04
    • G01V1/005
    • A seismic system has a plurality of seismic sources. Each of the seismic sources includes a reaction mass movable with respect to a geological structure and includes an actuator moving the reaction mass. The movement of the reaction mass emits a source signal as seismic energy into the geological structure. In the system, each of the source signals is generated from a base vibratory signal segmented into a plurality of segments, where the base vibratory signal sweeps from an initial frequency to a final frequency. Each of the segments has a partition of sweep frequencies different from the other segments. Each of the source signals has a distinguishing arrangement of the segments different from the other source signals.
    • 地震系统具有多个震源。 每个震源包括相对于地质结构可移动的反作用质量块,并且包括致动器移动反作用物质。 反应物质的运动将地震能量的源信号发射到地质结构中。 在该系统中,源信号中的每一个从被分割成多个段的基本振动信号产生,其中基本振动信号从初始频率扫描到最终频率。 每个段具有与其他段不同的扫频的分区。 每个源信号具有与其它源信号不同的段的区别布置。