Then the differential frequency discrimination method, especially at slow data rates, is discussed while a practical structures of differential frequency discrimination is given.
然后讨论了差分鉴频的方法，特别是对低数据率情况下的差分鉴频进行了探讨，并给出了一种实用的数字鉴频结构。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
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