介绍了CCD传感器在光电精密测径系统中的工作原理、系统结构及检测电路系统。
This paper introduces the principle of operation and system structure of CCD sensor in the photoelectric precision measurement diameter system. The test circuit is given.
阐述了精密数字测相的方法，给出了一个自动数字相位计电路及其在精密光电测距中的应用。
A precise digital phase-measuring method was expounded, and a circuit of the digital phase measurement was given. The application of the circuit in electronic distance measurement was also presented.
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