这种作法已经被广泛应用,并可以用以改善市电频率成分(包括奇次谐波。)
This is fairly commonly utilized, and affects the line frequency component (and odd harmonics).
为了研究这一问题,我使用了一个滤波器组,来获得一系列固定在市电频率的信号。
To investigate this, I used a filter bank to obtain a set of signals locked to the incoming line frequency.
市电频率Hum,主要原因包括灯丝线路走线导致的不平衡;供给灯丝的电源变压器(缺陷)导致电源杂波耦合进入信号通道,等等。
Line frequency hum, primarily induced by imbalance in the filament circuit wiring, the transformer used to power the filament, coupling into the signal leads, etc.
EV捕获单元捕获市电,逆变器的频率。
EV capturing element captured the frequency of electricity and inverter.
EV捕获单元捕获市电,逆变器的频率。
EV capturing element captured the frequency of electricity and inverter.
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