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REMOTELY-CONTROLLED DISTRIBUTED ANTENNA SYSTEM FOR RAILROAD TUNNELS EMPLOYING SOFTWARE DEFINED AMPLIFIERS
REMOTELY-CONTROLLED DISTRIBUTED ANTENNA SYSTEM FOR RAILROAD TUNNELS EMPLOYING SOFTWARE DEFINED AMPLIFIERS
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机译：运用软件定义的放大器的铁路隧道远程控制分布式天线系统
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摘要
An amplifier for a radio communications system in a shielded tunnel is disclosed. In one example, the amplifier comprises a processor configured to execute a plurality of modules comprising a gain control module and an attenuation control module. Methods and systems are further provided for controlling and monitoring amplifier characteristics.
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