信号通过天线与额外功率能够传输很长的距离。
An antenna and extra power allow the signal to be transmitted over long distances.
主要讨论了OFDM系统中抑制其带外功率辐射的算法。
In this paper an algorithm of reducing out-of-band emissions of OFDM based on GI is proposed.
国家强行请求LED灯具出产厂家商品在外包装上标出以下内容：额外电压、电压规模、额外功率、额外频率。
The state has forced the manufacturer of LED lamps to indicate the following items on the outer package: extra voltage, voltage scale, extra power, extra frequency.
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