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