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。
We showed that the laser coherence in time-space is determined principally by longitudinal and cross mode structure of laser.
本文指出激光器的时空相干性，原则上取决于器件的纵模和横模结构。
The main analytical tools utilized in this study are cross wavelet transform and wavelet coherence.
首先使用交叉子波变换与子波相关方法分析了两者的相位关系。
Optical Coherence Tomography (OCT) is a new technology concerned with obtaining cross sectional images of objects.
光学相干层析成像技术(oct)是一种对物体进行层析成像的新技术。
Optical Coherence Tomography (OCT) is a new technology concerned with obtaining cross sectional images of objects.
光学相干层析成像技术(oct)是一种对物体进行层析成像的新技术。
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