对相关函数进行时域滤波，挑选出互相关函数中窄信号自相关函数部分，去掉剩余的大部分噪声能量，得到加窗互相关函数（CCF）。
The time-domain filter can then be used to select the narrow central portion of the cross correlation function (CCF), capturing virtually all of the signal but rejecting most of the noise.
扫描技术是可控震源技术的重要组成部分，扫描信号自相关函数的形状是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.
扫描技术是可控震源技术的重要组成部分，扫描信号自相关函数的形状是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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