摘要
通过对隧道特点和覆盖因素的分析,考虑覆盖的原则,主要提出不同长短隧道信号覆盖方案。
Through analyzing the tunnel characteristics and cover factors,considered the principle of cover,different length tunnel signal coverage plan were put forward mainly.
出处
《大众科技》
2012年第5期22-24,共3页
Popular Science & Technology
关键词
隧道
光纤
直放站
天线
泄漏电缆
Tunnel
Optical fiber
Repeater
Antenna
Leakage cable
