摘要
文章介绍WG-2A无绝缘轨道电路构成特点,载频分配,低频信息组成。列车检测及信号发送的实现。从设备构成原理、抗干扰性和信号处理技术上着重阐述了WG-21A无绝缘轨道电路在直流牵引区段应用的可行性。
This article introduces constitution features, carrier frequency distribution and composition of low-frequency information of WG-2A jointless track circuit, detect the presence of a train and realization of signal transmission. Application feasibility of WG-21A jointless track circuit in DC traction section is stressed from the points of composition principle of equipment, anti-interference and signal treatment technology, etc.