赵凯,,
任仕召
陆军工程大学石家庄校区电磁环境效应国家级重点实验室 石家庄 050003
详细信息
作者简介:魏光辉：男，1964年生，教授，主要研究方向为静电与电磁防护技术、电磁环境效应试验评估技术
赵凯：男，1991年生，博士生，研究方向为电磁环境效应试验评估技术
任仕召：男，1988年生，硕士生，研究方向为电磁环境效应试验评估技术
通讯作者:赵凯 oeczhao@126.com
中图分类号:TN924; TM937计量
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被引次数:0
出版历程
收稿日期:2019-07-30
修回日期:2020-03-06
网络出版日期:2020-04-25
刊出日期:2020-08-18
Second-order Intermodulation Low Frequency Blocking Effect and Mechanism for Communication Radio under Electromagnetic Radiation
Guanghui WEI,Kai ZHAO,,
Shizhao REN
National Key Laboratory on Electromagnetic Environment Effects, Army Engineering University, Shijiazhuang 050003, China
摘要
摘要:为揭示通信电台复杂电磁环境效应机理，该文采用全电平辐照法实验研究了某型超短波数字通信电台的单频和带外双频电磁辐射阻塞效应，确定了其单频电磁辐射效应规律和敏感带宽，实验数据表明受试电台对带外双频3阶互调阻塞较单频电磁辐射阻塞干扰敏感9～23 dB。实验过程中发现了一种既不能用双频非互调迭加机理解释、也不能用3阶交互调机理解释的双频电磁辐射敏感现象。
关键词:通信电台/
电磁辐射/
2阶互调/
阻塞效应/
机理
Abstract:In order to reveal the complex electromagnetic environment effects mechanism of communication radio, the blocking effect of single-frequency and out-of-band dual-frequency electromagnetic radiation for the ultra-short wave digital communication radio is experimentally studied by irradiation method. The rule of single-frequency electromagnetic radiation effect and the susceptible bandwidth are determined. The experimental data show that the tested radio is 9～23 dB more susceptible to out-of-band dual-frequency third-order intermodulation blocking than single-frequency electromagnetic radiation blocking. A sensitive phenomenon of dual-frequency electromagnetic radiation which can neither be explained by the dual-frequency non-intermodulation superposition mechanism nor by the third-order intermodulation mechanism has been found in the experiment.
Key words:Communication radio/
Electromagnetic radiation/
Second-order intermodulation/
Blocking effect/
Mechanism
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