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当前,我国CTCS-2、CTCS-3等级铁路已全部使用GSM-R无线信号进行列车自动控制,而在铁路枢纽地区以及线路相邻区域,多个GSM-R系统基站同时工作时较易形成同频干扰,从而引发行车降级或故障,因此新建铁路接入既有枢纽部分需在施工时研究接入方式,科学论证,统筹规划,以减少新建铁路对既有线路高铁行车影响,借此论证宁安新建基站接入枢纽区段方式。
At present, China’s CTCS-2 and CTCS-3 railroads all use GSM-R wireless signals for automatic train control. In the railway junction area and adjacent areas of the railway lines, multiple GSM-R system base stations are likely to form the same Frequency interference, which led to driving degradation or failure, so the new railway access to the existing hub part of the need to study the construction of access methods, scientific feasibility studies, overall planning to reduce the impact of the new railway on the existing line of high-speed rail driving, An new base station access hub section approach.