中短波广播信号电磁辐射场强测算方法研究  

The Research on the Calculation Method of Electromagnetic Radiation Field Strength for Medium and Short Wave Broadcasting Signals

作　　者：韩东东 徐丽娜 HAN Dongdong;XU Lina(Chaya Medium Wave Broadcasting Station of Tibet Autonomous Region Radio and Television Bureau,Changdu Tibet 854300;Radio and Television Bureau of Tibet Autonomous Region 082,Changdu Tibet 854300)

机构地区：[1]西藏自治区广播电视局察雅中波转播台,西藏昌都854300 [2]西藏自治区广播电视局082台,西藏昌都854300

出　　处：《中国科技纵横》2024年第7期77-79,共3页China Science & Technology Overview

摘　　要：对于广播电台而言,要想精准掌握信号覆盖范围、用户收听效果,准确测量信号电磁辐射场强是重要前提。基于此,在分析信号传输原理基础上,提出一种新的中短波广播信号电磁场强测算方法,并通过计算场区划分、评价因子和辐射电阻的计算,论证该方法的可行性和有效性。For radio stations,accurately measuring the electromagnetic radiation field strength of signals is an important prerequisite for accurately understanding and mastering the signal coverage range and user listening effect.On the basis of analyzing the principle of signal transmission,this article proposes a new method for calculating the electromagnetic field strength of medium and short wave broadcasting signals.The feasibility and effectiveness of this method are demonstrated by calculating the field division,evaluation factors,and radiation resistance.

关 键 词：广播信号 电磁辐射 信号场强 辐射电阻 

分 类 号：TN948.53[电子电信—信号与信息处理]