• 地震学中的一个主要问题如何将原始震源信号其他影响中分离出来

    A major problem in seismology is separate the original source signal from other effects.

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  • 这种地震震源采用离心质量旋转地震能量每个震源记录下时针转动逆时针转动所产生扫描信号

    The seismic source USES the rotation of centrifugal quality to produce seismic energy. The produced sweep signals are recorded by clockwise and counter clockwise rotation at each source point.

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  • 其他类型校正手段用以估算震源接收器成像信号差异中进行信号补偿

    The other types of statics are utilized for signal compensation in evaluating the difference among the source, receiver imaging and wave signal.

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  • 可控震源输入到大地信号是己知的,频谱可以人为地改变因而有可能激发地震信号方面来改善资料品质

    Vibroseis gives the earth controllable signal train whose frequency spectra can be artificially changed, therefore data quality can be improved by controlling the signal excitation of vibroseis.

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  • 使用可控震源施工,可控震源扫描信号设计是否合理决定地震数据采集质量关键

    Sweep signal of vibroseis is critical for seismic data quality when using vibroseis in seismic exploration, so it is very important to design out rational sweep signal.

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  • 可控震源激发的地震波扫描信号,将此扫描信号参考扫描作互相关得到相关记录

    A scanning signal from vibroseis is correlated with reference one to give rise to a correlation record.

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  • 常规可控震源采用瞬时频率时间线性变化扫描信号

    All the conventional vibrators use the sweep signal of which the instantaneous frequency shows linear change with time.

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  • 这里给出了可控震源阵系统模型,及采用相关技术实现相控震源地震信号检测原理,设计相关用参考信号

    In order to detect the seismic signal from phased array vibroseis, it applied the correlation technique and defined the reference signal.

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  • TFCC算法相关算法处理相同实际可控震源地震数据显示前者更好地压制噪声,并能清晰地检测到微弱回波信号

    Using TFCC and correlation algorithms for processing of same practical vibroseis seismic data showed that the former could better suppress noises and detect weak reflection signal distinctively.

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  • 扫描技术可控震源技术重要组成部分,扫描信号相关函数形状影响可控震源地震勘探分辨率的重要因素。

    Sweep technique plays an important role in Vibroseis system, the resolution of Vibroseis seismic prospecting is affected by the shape of the sweep signal's auto correlation function.

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  • 扫描技术可控震源技术重要组成部分,扫描信号相关函数形状影响可控震源地震勘探分辨率的重要因素。

    Sweep technique plays an important role in Vibroseis system, the resolution of Vibroseis seismic prospecting is affected by the shape of the sweep signal's auto correlation function.

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