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。
According to the power system coherency and the swing curves of the disturbed generators, apply the data mining and the principle of the correlation, define the indicator for coherence.
文章在电力系统同调性概念的基础上，通过数字仿真获取发电机的时间响应曲线，定义了基于相关性原理的发电机同调指标。
The concrete structure of the interferometric detection system with the low-coherence source was presented, and the detection principle of the interferometric detection system was narrated.
针对大口径望远镜拼接式主镜，提出一种基于迈克耳孙干涉原理的低相干光源干涉检测系统。
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