1) coherent averaging technique
相干平均法
2) coherent averaging
相干平均
1.
In order to get higher accuracy of amplitude measurement and suppress the respiration interference of the photoelectric pulse wave,the original pulse wave signal was processed by the characteristic parameter reconstruction based on the coherent averaging method combined with the wavelet analysis.
为了获取较高的幅值检测精度,抑制光电脉搏波中的呼吸干扰,采用基于相干平均的脉搏波特征参数重构滤波和小波变换相结合的方法对光电脉搏波原始测量信号进行处理。
2.
First,it integrates the wavelet transform modulus maxima method with the signal coherent averaging technique to construct the ECG template.
首先,将小波变换模极大值方法和信号相干平均技术相结合,构造出心电模板信号。
3) coherence average
相干平均
1.
The paper presents a novel adaptive harmonic detecting algorithm using the coherence average estimation of K(n)to control the updating of the step size,where K(n)is the proportion of the error signal e(n)in the total signal S(n).
算法采用归一化的处理方法,以误差信号e(n)在待检测信号中所占比率K(n)作为自适应回馈量,并通过K(n)的相干平均估计来调节算法的步长。
2.
A detection method for weak signal with coherence average is presented,and the principle of cross-correlation detection is introduced.
提出了采用相干平均法提高信号的信噪比并检测微弱信号的方法,介绍了相关检测的原理。
3.
A novel approach to micro-displacement detection of dams based on Support Vector Machine and coherence average denoising is proposed.
针对此问题,提出了一种新的基于支持向量机和相干平均去噪的大坝微小位移检测方法。
4) successive average method
相继平均法
5) average of related adding
相干累加平均
6) time-averaged interferometry
时间平均干涉法
1.
Based on the Mirau microscopic interferometry and time-averaged interferometry,the system realize the measurement of the out-of-plane dynamic properties of movable micro-structures.
该系统基于Mirau显微干涉技术,以时间平均干涉法实现可动微结构离面动态特性的测量。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条