在计算机网络中,无线传输可以突破有线网的限制,利用空间电磁波实现站点之间的通信,可以为广大用户提供移动通信。最常用的无线传输介质有:无线电波、微波和红外线。
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他们实验了各种已知的传播介质,甚至尝试了业余无线电、警用对讲机、手机等多种替代方案,但无论哪种方案,都无法建立起不受静电干扰却又能传输如此多样信号的连接。
They checked every known communication media, including ham radio, police walkie-talkies and cellular phones, as alternatives, but all failed to find a static-free connection for such diverse signals.
本发明的一个实施例传输占用未被目标有线介质中存在的其他电磁信号使用的无线电频率的超宽带信号。
One embodiment of the present invention transmits ultra-wideband signals that occupy radio frequencies that are not used by other electromagnetic signals present in a wire medium of interest.
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