photoelectric pulse pick-up 光电脉搏换能器
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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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