与双滤波器相干检波相比的主要优点是带宽减少了四分之三。
The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth.
通过与大华无线电厂合作，研制了超高频传感器，其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
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。
This paper proposes a novel synchronous detector, which use wavelet filter instead of traditional low pass filter.
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