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System-Level EMC Assessment for Military Vehicular Communication Systems Based on a Modified Four-Level Assessment Model

查看全文 作　　者：Ping [1]Zhou;Yinghua [1]Lv;Zhihong [2]Chen;Hongping [2]Xu 高影响力作者 机构地区：[1]School of Electronic Engineering, Beijing University of Posts and Telecommunications;[2]Beijing Institute of Astronautic System Engineering, China Academy of Launch Vehicle Technology高影响力机构 出　　处：《China Communications》索引2018年第15卷第8期,共15页高影响力期刊 基　　金：supported by the National Moon Exploration Program of China (No. TY3Q20110020);in part supported by the 13th Five-Year Community Technology Research Program of National Equipment Development Department of China (No.41409020301);the National Natural Science Foundation of China (50971094) 摘　　要：With the development of EMC technology, EMC assessment has become increasingly important in EMC design. Although numerous EMC assessment models are available today, few of them can provide a tradeoff between efficiency and accuracy for the specific case of military vehicular communication systems. Face to this situation, a modified four-level assessment model is proposed in the paper. First, the development of EMC assessment technology is briefly reviewed, and the theoretical mechanism of EMI environment is introduced. Then, the architecture of the proposed model is outlined, and the assessment methods are explored. To demonstrate the application of it, an example involving a communication system in a military vehicle is presented. From the physical layer to the signal layer, a hierarchical assessment on the entire system is successfully performed based on the proposed model, and we can make a qualitative EMC assessment on the EMC performance of the system. Based on a comparison with the traditional model, we conclude that the proposed model is more accurate, more efficient and less time-consuming, which is suitable for the EMC assessment on militaryvehicular communication systems. We hope that the proposed model will serve as a useful reference for system-level EMC assessments for other systems. 关 键 词：评价模型 通讯系统 军事车辆 EMC 修改 水 评价技术 理论机制
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