远程通信线路上的传输反射。
The reflection of a transmission on a telecommunication line.
文章提出在原有光纤光缆电信传输业务基础上，不增加通信线路，利用光纤波分复用技术实现局、矿远程图象传输。
Based upon existing optic fiber cable telecommunication, this article puts forward using wavelength division multiplex technology for remote image transmission without adding communication line.
实验表明，此系统能对通信线路中的配线架、电缆、工频干扰情况进行远程实时的监测。
It has been proved experimentally that this system can be used for remotely real-time monitor of assemble line racks, cables and industry frequency interference of communication circuit.
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