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

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.