This paper proposes a novel synchronous detector, which use wavelet filter instead of traditional low pass filter.

本文提出了一种新型同步检波器，用子带滤波器取代了传统同步检波器中的低通滤波器。

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This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.

这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。

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This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.

这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。

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