简要介绍了电气化接触网防盗预警系统开发所使用的基本原理及关键技术，阐述了该系统在实际应用中的测试情况、实际应用效果及经济效益分析，解决了电气化铁路接触网线索频繁被盗的问题。%The paper briefly introduces the basic principles and critical techniques used in the development of electrical contact network anti-theft alarming system, describes the testing conditions of the system in practical application, actual application effect and economic benefits analysis. As a result, it solves the frequent theft issue of electrical contact network materials.
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