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这里讨论了用矢量电压表测群延迟时间的原理、方法以及实验情况。为了对矢量电压表有进一步的了解,对仪器的结构情况作了概略说明。 一 群延迟时间 任一四端网络的传输函数,可以表为
Here we discuss the principle, method and experiment of measuring the group delay time with vector voltmeter. In order to further understand the vector voltmeter, the structure of the instrument made a brief description. A group of delay time any four-terminal network transfer function can be expressed as