铁道通信信号
鐵道通信信號
철도통신신호
RAILWAY SIGNALLING & COMMUNICATION
2012年
6期
57-61
,共5页
无线通信%接收电平%测量方法
無線通信%接收電平%測量方法
무선통신%접수전평%측량방법
Radio communication%Receiving level%Measurement method
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。
分析譟聲和榦擾對車載無線通信設備接收電平的影響,以及電力機車運行產生無線電榦擾的機理、電磁輻射的頻率特性和橫嚮衰減特性;對鐵道行業標準《450MHz鐵路列車無線電通信最小可用接收電平及其測量方法》（TB/T1876-2011）脩訂和標準有關內容進行論述。
분석조성화간우대차재무선통신설비접수전평적영향,이급전력궤차운행산생무선전간우적궤리、전자복사적빈솔특성화횡향쇠감특성;대철도행업표준《450MHz철로열차무선전통신최소가용접수전평급기측량방법》（TB/T1876-2011）수정화표준유관내용진행논술。
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.
