... perturbed angular correlation technique 扰动角关联技术 cross correlation technique 互相关技术 isochronic correlation technique 等时对比 ...
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采用互相关技术测量固体的流速。
The crosscorrelation technology was used to measure solid velocity.
利用互相关技术，计算信号在不同传感器上的时间延迟，再由平面几何原理，得到波的方位和波速。
With the correlation technique, direction and speed of the infrasound can be calculated by computing the time delay of each detector and by using geometric knowledge.
详细研究了基于快速傅立叶变换(FFT)的数字粒子图象测速技术(DPIV)的互相关算法。
A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper.
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