首页> 外文期刊>American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the >The 57A microwave path protection system: An automatic switching system for transmission protection of microwave radio-relay systems
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The 57A microwave path protection system: An automatic switching system for transmission protection of microwave radio-relay systems

机译:57A微波路径保护系统:用于微波无线电中继系统传输保护的自动切换系统

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摘要

The 57 A protection system is a fault-sensing and switching system, which serves as an automatic guardian of the quality of a broad-band (1,300 kc) transmission channel. Acting upon a loss in transmission level, or an increase in noise, it transfers a communication traffic load from a failing regular channel to a normally unassigned stand-by channel. The transmission protection afforded by the stand-by channel is shared among as many as three regular channels.
机译:57 A保护系统是一种故障检测和切换系统,可以自动保护宽带(1,300 kc)传输通道的质量。根据传输级别的损失或噪声的增加,它将通信业务负载从出现故障的常规信道转移到通常未分配的备用信道。备用信道提供的传输保护在三个常规信道之间共享。

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