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Measurement of signal attenuation in bridge-tunnel for light rail system

机译:轻轨系统桥式隧道中信号衰减的测量

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This paper describes measurements conducted in bridge-tunnels to obtain the signal attenuation across 2 tunnels in the bridge as well as the penetration loss of train vehicle at 819.125 MHz. This helped to determine the feasibility for a TETRA base station to communicate with portable receivers from another tunnel in case of base station failure in one tunnel.
机译:本文介绍了在桥梁隧道中进行的测量,以获得横跨桥梁中2条隧道的信号衰减以及列车车辆在819.125 MHz处的穿透损耗。如果一个隧道中的基站发生故障,这有助于确定TETRA基站与另一隧道的便携式接收器进行通信的可行性。

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