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。
Double feed systems work well if the grid voltage and frequency is very stable.
当网格电压和频率很稳定时，双馈系统工作的很好。
The time-frequency plane of a standard OFDM system is a rectangular grid.
标准OFDM系统设计的时-频面为矩形网格。
The time-frequency plane of a standard OFDM system is a rectangular grid.
标准OFDM系统设计的时-频面为矩形网格。
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