恒频相位测量系统

A. Jbari, L. Bellarbi
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引用次数: 0

摘要

在这项工作中,我们提出了一种电子结构,将两个高频信号的相位转换为低频域,使用混频器和相关滤波器。为了保持恒定的分辨率相位,对于可变频率的信号,我们开发了一种数字技术来构建一个参考信号,以激活在恒定频率下工作的相位测量系统。将给出设计模块和仿真结果来验证相移的测量和误差,然后讨论参数的选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phase measurement system operating at constant frequency
In this work, we propose an electronic structure, to transform the phase of two high-frequency signals to the low frequency domain, using mixers and associated filters. To keep a constant resolution phase, for signals with variable frequency, we have developed a digital technique to construct a reference signal required to active the phase measurement system operating at constant frequency. Design blocks and simulation results will be presented to validate the measurement and error of phase shift, followed by a discussion on the choice of parameters.
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