{"title":"Visualization of Noise Coupling Paths Based on the Reciprocity Theorem","authors":"Seungtaek Jeong;Jong Hwa Kwon;Deepak Pai;Jagan Rajagopalan;Chulsoon Hwang","doi":"10.1109/TEMC.2024.3425575","DOIUrl":null,"url":null,"abstract":"In this article, visualization of noise coupling paths is proposed and verified. The coupling coefficient (\n<italic>CC</i>\n) is derived based on the Reciprocity theorem and time-average coupled power, which represents the contribution of each spatial point to the coupled power. The physical meaning of \n<italic>CC</i>\n is demonstrated by relating the integrations of \n<italic>CC</i>\n in a volume space occupied by absorbers to the coupled power being suppressed by the absorbers. The proposed method is applied to a practical device and the identified dominant coupling paths are experimentally verified.","PeriodicalId":55012,"journal":{"name":"IEEE Transactions on Electromagnetic Compatibility","volume":"66 5","pages":"1505-1514"},"PeriodicalIF":2.0000,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Electromagnetic Compatibility","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10683748/","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
In this article, visualization of noise coupling paths is proposed and verified. The coupling coefficient (
CC
) is derived based on the Reciprocity theorem and time-average coupled power, which represents the contribution of each spatial point to the coupled power. The physical meaning of
CC
is demonstrated by relating the integrations of
CC
in a volume space occupied by absorbers to the coupled power being suppressed by the absorbers. The proposed method is applied to a practical device and the identified dominant coupling paths are experimentally verified.
本文提出并验证了噪声耦合路径的可视化。耦合系数（CC）是根据互易定理和时间平均耦合功率得出的，它代表了每个空间点对耦合功率的贡献。通过将吸收体所占体积空间中的 CC 积分与吸收体所抑制的耦合功率联系起来，证明了 CC 的物理意义。我们将所提出的方法应用于一个实际设备，并通过实验验证了所确定的主要耦合路径。
期刊介绍：
IEEE Transactions on Electromagnetic Compatibility publishes original and significant contributions related to all disciplines of electromagnetic compatibility (EMC) and relevant methods to predict, assess and prevent electromagnetic interference (EMI) and increase device/product immunity. The scope of the publication includes, but is not limited to Electromagnetic Environments; Interference Control; EMC and EMI Modeling; High Power Electromagnetics; EMC Standards, Methods of EMC Measurements; Computational Electromagnetics and Signal and Power Integrity, as applied or directly related to Electromagnetic Compatibility problems; Transmission Lines; Electrostatic Discharge and Lightning Effects; EMC in Wireless and Optical Technologies; EMC in Printed Circuit Board and System Design.
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