铁道行业标准《450MHz铁路列车无线电通信最小可用接收电平及其测量方法》问题释义

Issues Interpretation for Railway Industry Standards of the Smallest Available Receiving Level and Its Measurement in 450MHz Train Radio Communication

分析噪声和干扰对车载无线通信设备接收电平的影响,以及电力机车运行产生无线电干扰的机理、电磁辐射的频率特性和横向衰减特性;对铁道行业标准《450MHz铁路列车无线电通信最小可用接收电平及其测量方法》(TB/T1876-2011)修订和标准有关内容进行论述。

This paper present an analysis on the effect of noise and interference on the receiving level of cab radio communication device. According to the mechanism of way radio interference caused by electric locomotive and the frequency characteristics and transverse attenuation characteristics of electromagnetic radiation, the authors discussed the revisions and related contents of the TB/T1876 2011 specification of Minimum Usable Received Level and Measurement Method of 450MHz railway train radio communication.