It is indicated that the correlation coefficient, which is used as a discriminating factor in the method, is only the reflection of the structure character of the echoes tracked.
结果表明，在该方法中作为判别因子的相关系数反映了所跟踪回波的结构特征。
A "progressive updating" method of large scale displacement measurement is proposed to avoid the defect of low correlation coefficient caused by large scale displacement.
同时还提出一种“逐步更新”的测量方法，它克服了由于大的位移而导致相关系数偏低的缺点。
A new digital image correlation method (DICM) measurement is utilized to investigate the thermal expansion coefficient of the far-infrared ceramic coated the semiconductor galvanothermy membrane.
本文采用一种新的数字图像相关方法测量带有半导体电热膜的远红外陶瓷热胀系数。
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