{"title":"Shielding effectiveness estimation for concrete slabs based on measured frequency dependent dielectric constant","authors":"He Wei, Shi Lihua, Xu Qiwei, Liu Feng","doi":"10.1109/CEEM.2015.7368692","DOIUrl":null,"url":null,"abstract":"In this work, a curve-fitting method is introduced to estimate the frequency dependent dielectric constants from experiment data of permittivity, then a transmission model of rebar embedded concrete is given. By using the vector fitting (VF) method, the shielding effectiveness (SE) of rebar embedded concrete in time domain can be obtained, then simulations of SE to UWB and HPM are given. From the simulation results, we can draw the conclusion that the narrower the pulse width of UWB and the higher the carrier frequency of HPM, the better shielding effectiveness.","PeriodicalId":442379,"journal":{"name":"2015 7th Asia-Pacific Conference on Environmental Electromagnetics (CEEM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 7th Asia-Pacific Conference on Environmental Electromagnetics (CEEM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEEM.2015.7368692","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this work, a curve-fitting method is introduced to estimate the frequency dependent dielectric constants from experiment data of permittivity, then a transmission model of rebar embedded concrete is given. By using the vector fitting (VF) method, the shielding effectiveness (SE) of rebar embedded concrete in time domain can be obtained, then simulations of SE to UWB and HPM are given. From the simulation results, we can draw the conclusion that the narrower the pulse width of UWB and the higher the carrier frequency of HPM, the better shielding effectiveness.
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