Active filter itself is a harmonic source.
有源滤波自身就是谐波源。
A series hybrid active power filter for aeronautical variety-frequency power grid is studied.
研究了一种适用于航空变频电网的串联混合有源电力滤波器。
In part two, this paper discuss a kind of method design microwave active filter.
在第二部分，介绍了一类微波有源滤波器的设计方法。
Based on the method, active filter device has a wide application prospect and practical value.
基于该方法的有源滤波器装置有较好的应用前景和实用价值。
This paper proposes a new type hybrid active power filter.
提出了一种新型混合有源滤波器的拓扑结构。
This paper proposes a new type hybrid active power filter.
提出了一种新型混合有源滤波器的拓扑结构。
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