典型通信装备带内双频连续波电磁辐射效应预测方法

摘要

针对复杂电磁环境下用频装备辐射敏感度试验研究的不足，对用频装备带内双频电磁辐射效应预测方法进行了研究。通过对用频装备带内干扰机理和耦合机理的分析建立了带内双频电磁辐射效应预测模型，并以某型超短波通信电台为受试对象，设计了通信电台电磁辐射效应试验方案。通过通信电台带内单频和双频连续波电磁辐射效应试验，研究了受试电台在带内双频不同权重组合作用下电磁辐射敏感度变化规律。试验结果表明不同频率组合、不同功率强度组合下双频连续波电磁辐射效应预测模型系数都在1左右，预测误差都在±1 dB以内，验证了带内双频连续波电磁辐射效应预测模型的有效性。%Aiming at the deficiency of the frequency equipment radiation susceptibility test in the complex e-lectromagnetic environment,the prediction method of the in-band dual-frequency continuous wave electromag-netic radiation effect is studied.The in-band dual-frequency electromagnetic radiation effect prediction model is established based on interference mechanism and coupling mechanism of the frequency equipment,and the elec-tromagnetic radiation effect test scheme is designed with a VHF radio as the test object.The communication e-quipment electromagnetic radiation effect test is carried out with single frequency and double frequency,the e-lectromagnetic radiation susceptibility regular pattern under the combined action of the in-band dual frequency different weights is discussed.Experimental results show that the prediction model coefficients of the dual fre-quency continuous wave electromagnetic radiation effect are about 1 in different frequency combinations and dif-ferent power intensities,and the prediction error is within ±1dB.The validity of the model to forecast the in-band dual-frequency continuous wave electromagnetic radiation effect is verified finally.