【摘要】 在透镜焦距测量中 ,利用线阵 CCD光电传感器作接收器 ,能够对透镜焦距实现在线自动测量和显示 ,并介绍该测量系统的工作原理、软硬件设计、测量误差及结果分析 .更多还原

【Abstract】 By using the CCD sensor as the detector,the focal length can be automatically measured and real time displayed.The principle of the focal length measuring system,the design of hardware and software,the measurement of error,and the analysis of results are described.更多还原