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本文阐述了用调幅法测量群时延的原理,以及用根据此原理所制造的群时延测量仪如何测量电视机、声表面波滤波器等网络和设备的群时延特性。
This paper describes the principle of amplitude-modulated method to measure group delay and how to measure the group delay characteristics of networks and equipment such as TV sets and surface acoustic wave filters by using group delay meter.