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通讯系统communication直放站公路 | 邮电通讯系统 2022-07-26 117 0star收藏 版权: . 保留作者信息 . 禁止商业使用 . 禁止修改作品
论述了搭建山区公路地道移动通讯系统的重要性和地道移动通讯系统的电波传达特性研究了在公路移动通讯系统中选用泄露同轴电缆射频定向传输增加直放站等几种方案来消除信号场强覆盖死区的方法

(The importance of building a tunnel mobile communication system in mountainous areas and the radio wave transmission characteristics of the tunnel mobile communication system are discussed. Several schemes such as radio frequency directional transmission using leaky coaxial cables and adding repeaters in the highway mobile communication system are studied to eliminate the signal field strength. Ways to Override Dead Zones)

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