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介绍了无线传输系统的工作原理,硬件组成以及地面Web版分析软件的功能,对流量以及资费进行了预估,对实际应用中可能存在的信号稳定、软件安全问题提出了解决办法和建议。基于4G的无线传输技术已在成都地铁7号线应用。
This paper introduces the working principle of wireless transmission system, the hardware composition and the function of the Web analysis software on the ground. It estimates the traffic and the tariff, and presents the solutions and suggestions to the possible signal stability and software security problems in practical applications. 4G-based wireless transmission technology in Chengdu Metro Line 7 applications.