The structure of the EOS system is designed, including opto-mechanical delay line (OMDL), embodiment of electro-optic modulator, and lock-in detection module.
设计电光采样系统整体结构，设计光机械延迟线结构、电光采样结构、光电转换及微电流放大电路、锁相检测模块；
Lock-in amplifying (LIA) is one of important means for weak signal detection.
锁相放大是微弱信号检测的重要手段。
This paper introduces the image preprocess methods for ship detection method under complex conditions. which has been successfully running in the temporary ship lock of Three Gorges.
给出了一种复杂条件下基于视频图象的实现船舶目标自动检测的图象预处理方法，其成功运行于长江三峡临时船闸的船舶检测系统中。
Used lock-in amplifier SR844 for hardware phase detection and compared with software detection.
利用锁相放大器SR844对产生的信号进行模拟鉴相，并同软件鉴相结果比较分析；
The precision of measure can be advanced by making use of over-sampling and lock-in amplifying on the pick-up of photoelectric pulse wave in DS detection.
应用过采样和数字锁相检测技术能提高动态光谱法中光电脉搏波信号的检测精度， 文章对此进行了理论推导。
The precision of measure can be advanced by making use of over-sampling and lock-in amplifying on the pick-up of photoelectric pulse wave in DS detection.
应用过采样和数字锁相检测技术能提高动态光谱法中光电脉搏波信号的检测精度， 文章对此进行了理论推导。
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