摘要
从铁路、地铁信号系统中广泛应用的重要基础设备———数字轨道电路谈起,以美国USS公司生产的AF-904型轨道电路为例,重点探讨如何做好现场数字音频轨道电路的维护工作。
Started from the most widely used devices in railway and metro signal systems,digital track circuits,it was focused on how to do on-site maintenance of digital audio track circuits in the case of AF-904 track circuits by American USS.
出处
《铁道通信信号》
2011年第6期41-43,共3页
Railway Signalling & Communication
