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本文给出了铁路长大区间区间通话质量改善的的方法,着重研究如何使话音信号长距离区间满足话音信号的衰耗限制的同时,满足回线的使用需要,达到现行设计规范的要求。
This paper gives a method to improve the inter-area call quality of the growing railway area, and focuses on how to make the long-distance area of the voice signal meet the attenuation limit of the voice signal while meeting the need of the return line and meeting the requirements of the current design specifications.