{"title":"EMI-EMC的互易性","authors":"R.L. Coren","doi":"10.1109/ISEMC.1991.148210","DOIUrl":null,"url":null,"abstract":"The basis of and errors in interpreting the law of reciprocity are reviewed and applied to conducted and radiated electromagnetic interference-electromagnetic compatibility (EMI-EMC). Conditions for reciprocity include reversibility and passivity of elements in the reciprocal system. The law is expressed in circuit form and the reciprocal signals are clearly distinguished. Symmetric and asymmetric line filters are used as examples of reciprocity in conducted interference. It is shown that an incompletely shielded circuit can be regarded as an antenna, allowing one to establish radiation reciprocity between it and a measuring antenna. Some difficulties encountered in EMI-EMC measurements that give the impression of reciprocity being violated are discussed.<<ETX>>","PeriodicalId":243730,"journal":{"name":"IEEE 1991 International Symposium on Electromagnetic Compatibility","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Reciprocity in EMI-EMC\",\"authors\":\"R.L. Coren\",\"doi\":\"10.1109/ISEMC.1991.148210\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The basis of and errors in interpreting the law of reciprocity are reviewed and applied to conducted and radiated electromagnetic interference-electromagnetic compatibility (EMI-EMC). Conditions for reciprocity include reversibility and passivity of elements in the reciprocal system. The law is expressed in circuit form and the reciprocal signals are clearly distinguished. Symmetric and asymmetric line filters are used as examples of reciprocity in conducted interference. It is shown that an incompletely shielded circuit can be regarded as an antenna, allowing one to establish radiation reciprocity between it and a measuring antenna. Some difficulties encountered in EMI-EMC measurements that give the impression of reciprocity being violated are discussed.<<ETX>>\",\"PeriodicalId\":243730,\"journal\":{\"name\":\"IEEE 1991 International Symposium on Electromagnetic Compatibility\",\"volume\":\"80 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-08-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE 1991 International Symposium on Electromagnetic Compatibility\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISEMC.1991.148210\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE 1991 International Symposium on Electromagnetic Compatibility","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISEMC.1991.148210","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The basis of and errors in interpreting the law of reciprocity are reviewed and applied to conducted and radiated electromagnetic interference-electromagnetic compatibility (EMI-EMC). Conditions for reciprocity include reversibility and passivity of elements in the reciprocal system. The law is expressed in circuit form and the reciprocal signals are clearly distinguished. Symmetric and asymmetric line filters are used as examples of reciprocity in conducted interference. It is shown that an incompletely shielded circuit can be regarded as an antenna, allowing one to establish radiation reciprocity between it and a measuring antenna. Some difficulties encountered in EMI-EMC measurements that give the impression of reciprocity being violated are discussed.<>
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