互相关系 meaning in English

cross correlation
mutuality

If the two signals are random, the cross-correlation is zero .
倘若两个信号都是随机的，则互相关系数为零。
Average crosscorrelation coefficient
平均互相关系数
Compute the cross correlation coefficient [ 17 ] between ecg signal and selected wavelet filter
请问大侠，怎么求给定信号与小波滤波器之间的互相关系数？
The coefficients of cross - correlation of several important parameters are calculated according to statistical data
根据文献资料上的土性参数统计值,计算若干参数的互相关系数。