首页> 外文会议>Fifth International Conference on Electronic Measurement amp; Instruments (ICEMI'2001) Vol.1 Nov 18-21, 2001 Guilin, China >A discussion about the sampling problem which using linear CCD to measure the interference fringe
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A discussion about the sampling problem which using linear CCD to measure the interference fringe

机译:关于使用线性CCD测量干涉条纹的采样问题的讨论

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摘要

In the measurement of interference fringe using the linear CCD, thinking of the separation of CCD, the integral effect of the pixel, and the sampling speciality of the interference fringe (cosine signal), three problems have been discussed seriously-"how to determine the advisable maximum of the spatial frequency of the fringe", "the effect on the sampling of the integral effect of the pixel", and "the effect on the contrast ratio of the fringe of the phase matching of the pixel".
机译:在使用线性CCD测量干涉条纹时,考虑到CCD的分离,像素的积分效应以及干涉条纹(余弦信号)的采样特性,已经认真讨论了三个问题:“如何确定色散”。 “条纹的空间频率的最大值”,“对像素的积分效应的采样的影响”和“对像素的相位匹配的条纹的对比度的影响”。

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