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.
一个普通的手机可以发送信号的距离为70公里。
An ordinary cellphone may send a signal at the distance 70km.
讨论了信号时长和差拍频率对雷达作用距离的影响；
The influence of time length and beat frequency on radar range is discussed.
信号随着离信号源距离的增大而减弱的现象。
The weakening of a signal with increasing distance from its source.
标准信号输出，抗干扰能力强，适用于远距离传输。
Standard signal output, anti-interference ability for long-distance transmission.
然而，当我们要远距离的发送电脉冲信号时就会出现一些问题。
However, when we attempt to transmit electrical pulses over a distance, several things happen.
一种通过对信号进行再生处理以延长信号传输距离的设备。
A device that extends the distance a signal can travel by regenerating the signal.
一种通过对信号进行再生处理以延长信号传输距离的设备。
A device that extends the distance a signal can travel by regenerating the signal.
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