focal length of lens meaning in English
透镜焦距
Examples
- In order to measure the focal length of lens automatically , linear ccd is used as receiver on behalf of eyes on the basis of original experiment equipment measuring the focal length of lens . a kind of method determining the focal plane automatically is put forward and analysed theoretically in this text , based on the theory of point spread function
本文基于点扩散函数理论，提出一自动检焦方法，对该方法进行理论分析，并通过实验验证了该方案的可行性;确定焦面后，在处理测量数据过程中，文中对常用的几种方法进行了比较和分析，最后采用质心法来实现对透镜焦距的测量。