The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
结果表明：应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
According as principal of cross-correlation, the hardware circuit is used to restrain noise efficiently and acquire faint change of crack signal.
根据互相关原理，设计了相应的硬件相关电路，有效的抑制了噪声并能够提取缺陷信号的微小变化量。
The common using method is generalized cross correlation, but it has a definite limitation to those without transcendental information on the occasion of having much noise.
常用的时延估计方法是广义互相关方法，按方法对于较少先验知识、大背景噪声具有一定的局限性。
The principle of the Cross-correlation-coefficient algorithm and the absolute difference algorithm are introduced, all kinds of different noise type of CCD apparatus are analyzed.
简要阐述了互相关因子算法和绝对差分算法的基本原理； 分析了CCD器件各种不同的噪声类型；
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.
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 nonlinear response in the bistable system with a random binary signal by adding the variable amount of noise is studied, and the input-output cross-correlation coefficient is measured.
研究了噪声和随机二进制信号同时激励双稳系统时的输出响应，并测量了输入输出互相关系数。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题，提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题，提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
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