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ji yu dsp de 50hz xiang min gui dao dian lu jie shou qi de she ji yu shi xian
Author(s): 
Pages: 69-72
Year: Issue:  6
Journal: Railway Signalling & Communication Engineering

Keyword:  DSP50 Hz相敏接收器;
Abstract: 50Hz相敏轨道电路被广泛应用于城市轨道交通的轨道电路系统,其接收端所采用二元二位继电器存在诸多不安全因素,给轨道交通的正常运营埋下了较大隐患.介绍所设计的一种微电子式的相敏轨道电路接收器,选用TI公司的TMS320LF2407A作为控制CPU,采用双DSP架构的硬件冗余设计,并执行双套软件,利用数字信息处理技术对轨道电路信息进行识别,从软件和硬件上提高设备的安全性.
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