{"title":"穿孔筛孔的近场和远场特性:屏蔽性能定义的理论和实验研究","authors":"S. Criel, L. Martens, D. De Zutter","doi":"10.1109/ISEMC.1994.385642","DOIUrl":null,"url":null,"abstract":"The shielding performance of a periodically perforated plane shield is investigated, both theoretically and experimentally. Attention is focused upon a clear formulation of the near-field shielding effectiveness of the perforated screen. It will be shown that such a near-field analysis often is mandatory because the classical far-field definitions drastically overestimate the near-field shielding performance. Moreover, the influence of some relevant parameters (such as frequency, shield distance and loop radius) upon the near-field shielding effectiveness is analyzed.<<ETX>>","PeriodicalId":154914,"journal":{"name":"Proceedings of IEEE Symposium on Electromagnetic Compatibility","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Near- and far-field characterization of perforated screens: theoretical and experimental study of proposed definitions for the shielding performance\",\"authors\":\"S. Criel, L. Martens, D. De Zutter\",\"doi\":\"10.1109/ISEMC.1994.385642\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The shielding performance of a periodically perforated plane shield is investigated, both theoretically and experimentally. Attention is focused upon a clear formulation of the near-field shielding effectiveness of the perforated screen. It will be shown that such a near-field analysis often is mandatory because the classical far-field definitions drastically overestimate the near-field shielding performance. Moreover, the influence of some relevant parameters (such as frequency, shield distance and loop radius) upon the near-field shielding effectiveness is analyzed.<<ETX>>\",\"PeriodicalId\":154914,\"journal\":{\"name\":\"Proceedings of IEEE Symposium on Electromagnetic Compatibility\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-08-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of IEEE Symposium on Electromagnetic Compatibility\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISEMC.1994.385642\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE Symposium on Electromagnetic Compatibility","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISEMC.1994.385642","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Near- and far-field characterization of perforated screens: theoretical and experimental study of proposed definitions for the shielding performance
The shielding performance of a periodically perforated plane shield is investigated, both theoretically and experimentally. Attention is focused upon a clear formulation of the near-field shielding effectiveness of the perforated screen. It will be shown that such a near-field analysis often is mandatory because the classical far-field definitions drastically overestimate the near-field shielding performance. Moreover, the influence of some relevant parameters (such as frequency, shield distance and loop radius) upon the near-field shielding effectiveness is analyzed.<>
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