战场电磁兼容预测中的接收机建模研究
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摘要
目的建立战场电磁兼容预测分析的接收机数学模型,包括接收机频率选择性模型、敏感度门限模型、互调模型及与接收机有关的修正系数计算模型等。方法在分析接收机干扰类型的基础上,建立上述数学模型,并探讨模型中的参数获取方法。结果给出了频率选择性模型分段折线斜率常数的获取方法,并对相关的互调系数、保护比等重要参数的实验测量方法进行了分析。结论建模结果可支持战场电磁接收装备仿真,为战场电磁兼容预测分析奠定基础。
Objective To build receiver mathematical model for forecast simulation of electromagnetic compatibility, including receiver frequency selective model, susceptibility threshold model, inter-modulation model, and correction factor calculation model related with the receiver, etc. Methods Based on the analysis of the interference types of receiver, the aforementioned mathematical models were built, and the measure methods of correlative parameters were discussed. Results The methods for obtaining the piecewise polyline slope constant of the frequency selective model were presented, and the experimental measurement methods for important parameters such as inter-modulation factor and frequency protection ratio were analyzed. Conclusion The result of receiver modeling could support electromagnetic receiver simulation in battlefield, and lay a basis for predictive analysis of electromagnetic compatibility in battlefield.
Objective To build receiver mathematical model for forecast simulation of electromagnetic compatibility, including receiver frequency selective model, susceptibility threshold model, inter-modulation model, and correction factor calculation model related with the receiver, etc. Methods Based on the analysis of the interference types of receiver, the aforementioned mathematical models were built, and the measure methods of correlative parameters were discussed. Results The methods for obtaining the piecewise polyline slope constant of the frequency selective model were presented, and the experimental measurement methods for important parameters such as inter-modulation factor and frequency protection ratio were analyzed. Conclusion The result of receiver modeling could support electromagnetic receiver simulation in battlefield, and lay a basis for predictive analysis of electromagnetic compatibility in battlefield.
引文
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[2]DONGLIN S,WENQING C,YAN L,et al.A Novel Method of Top-level EMC Design Technology for Large and Complex Electronic Information Systems[C]//Antennas,Propagation and EM Theory,2008 ISAPE 2008 8th International Symposium on IEEE,2008.
[3]曾国奇,李思吟,熊小军.复杂电磁环境下电子系统抗干扰性能仿真平台设计[J].计算机测量与控制,2013,21(4):1077—1080.ZENG Guo-qi,LI Si-yin,XIONG Xiao-jun.Design of Electronic System Anti-interference Performance Simulation Platform under Complex Electromagnetic Environment[J].Computer Measurement&Control,2013,21(4):1077—1080.
[4]马玉林,张文一,孟冲.复杂电磁环境对装备保障活动的干扰机理研究[J].河北科技大学学报,2011(S1):31—33.MA Yu-lin,ZHANG Wen-yi,MENG Chong.Mechanism of Complex Electromagnetic Environment Interfere Equipment Support[J].Journal of Hebei University of Science and Technology,2011(S1):31—33.
[5]陈重.复杂电磁环境下接收机的非线性研究[D].成都:电子科技大学,2011.CHEN Zhong.Research on Receiver Non-linearity under Complex Electromagnetic Environment[D].Chengdu:University of Electronic Science and Technology,2011.
[6]成伟兰,刘坚强,谌丽.干扰条件下接收机减敏机理分析[J].舰船科学技术,2012,34(3):122—125.CHENG Wei-lan,LIU Jian-qiang,CHEN-Li.Analysis of Receiver Desensitization Mechanism in the Presence of Interference[J].Ship Science and Technology,2012,34(3):122—125.
[7]徐扬,谭辉,方重华,等.系统EMI预测分级筛选方法研究[J].装备环境工程,2009,6(5):39—41.XU Yang,TAN Hui,FANG Chong-hua,et al.Research on Classified Filtration Method for EMI Prediction of System[J].Equipment Environmental Engineering,2009,6(5):39—41.
[8]孙鹏才,刘远耀,陈庆,等.系统电磁兼容层次化预测方法研究[J].舰船科学技术,2008,30(4):89—92.SUN Peng-cai,LIU Yuan-yao,CHEN Qing,et al.Research on Multilevel Prediction Method for Systematic Electromagnetic Compatibility Technology[J].Ship Science and Technology,2008,30(4):89—92.
[9]达拉基米尔.系统级电磁兼容分析的离散技术及应用综述[J].宇航计测技术,2007(z1):39—44.MORDACHEV V.Discrete Technology of Electromagnetic Compatibility Analysis at the System Level and Applications Overview[J].Journal of Astronautic Metrology and Measurement,2007(z1):39—44.
[10]秦淼,杨显清,赵家升,等.接收机电磁兼容效能评估模型研究[C]//2007年全国微波毫米波会议论文集.2007:1506—1562.QIN Miao,YANG Xian-qing,ZHAO Jia-sheng,et al.Research on the Electromagnetic Compatibility Problem of Receiver[C]//Proceedings of the 2007 microwave&millimeter wave convention.2007:1506—1562.
[11]陈鸿.系统间电磁兼容性预测分析与仿真[D].成都:电子科技大学,2006.CHEN Hong.Analysis and Simulation of Intersystem Electromagnetic Compatibility Prediction[D].Chengdu:University of electronic science and technology,2006
[12]DAVID M Pozar.微波工程[M].北京:电子工业出版社,2010.DAVID M Pozar.Microwave Engineering[M].Beijing:Electronic Industry Press,2010.
[13]贾传钊.通信系统间电磁兼容性预测分析技术[D].成都:电子科技大学.2009.JIA Chuan-zhao.Intersystem Electromagnetic Compatibility Prediction and Analysis Technique about Communication[D].Chengdu:University of Electronic Science and Technology.2009
[14]王海波.系统间电磁兼容性预测分析软件的开发与研究[D].成都:电子科技大学,2008.WANG Hai-bo.Research and Development of Intersystem Electromagnetic Compatibility Prediction and Analysis[D].Chengdu:University of Electronic Science and Technology,2008.
[15]张建华,周晓辉,蒋鹏.机载天线极化失配及方向性的分析计算[J].电波科学学报,2007,22(3):497—501.ZHANG Jian-hua,ZHOU Xiao-hui,JIANG Peng.Analysis of Polarization Mismatching and Radiation Pattern of Aircraft Antenna[J].Chinese Journal of Radio Science,2007,22(3):497—501.
[16]卢西义,应鲁曲,肖凯宁.基于射频保护比实测数据的无线通信系统兼容性分析方法研究[C]//2011年青年通信国际会议论文集.2011:39—42.LU Xi-yi,YING Lu-qu,XIAO Kai-ning.Research on Compatibility Analysis Approach of Radio Communication Systems Based on measured radio Frequency Protection Ratio[C]//The 2011 International Conference of Youth Communication.2011:39—42.