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.
扬声器，功率放大器及其它音频产品提供商，适用于家庭、汽车及户外功放。
Speakers, Amplifiers and other Audio Products for home, Automotive, PA and Outdoor.
扬声器，功率放大器及其它音频产品提供商，适用于家庭、汽车及户外功放。
Speakers, Amplifiers and other Audio Products for home, Automotive, PA and Outdoor.
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