用鉴别滤波器和包络检测测量DSB调制射频信号

A. Barel, Y. Rolain
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引用次数: 0

摘要

本文提出了一种测量微波调幅射频信号两侧频谱音调的幅度和相位的方法。该方法再次利用了包络检测电路进行频率下变频操作所固有的相位守恒特性,同时一对滤波器对侧音进行必要的辨别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Measurement of a DSB modulated RF signal by use of discriminating filters and envelope detection
This paper proposes a method to measure the amplitude and the phase of the spectral tones present in both sidebands of a microwave amplitude modulated RF signal. The method exploits once more the phase conservation property inherent to the frequency down conversion operation performed by an envelope detection circuit while a pair of filters bring the needed discrimination on the side-tones.
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