A new optical system is designed for the material surface temperature-measuring device used in laser processing. The measurement error analysis and conclusions are presented.
通过解决激光加工中材料表面温度测量装置的难点，设计了一套新型光学系统，并给出了测量误差分析及结论。
An eccentricity error mathematic model was built up based on the measurement principle of the optical angular encoder and error analysis.
通过对光栅角编码器测角原理和偏心误差产生原因的分析，建立了偏心误差模型。
The forth, error analysis and elimination of optical system in color microscopic image input and the methods of area measurement for the irregular region in the digital image are discussed.
第四，探讨了彩色显微图像输入中光学系统的误差及其消除方法，并结合实际需求，研究了图像中不规则轮廓区域面积的测量方法。
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