{"title":"长天线在空气和耗散介质中的阻抗","authors":"D. W. Gooch, C. Harrison, R. King, T. Wu","doi":"10.6028/JRES.067D.038","DOIUrl":null,"url":null,"abstract":"Graphs arc pro vided for t he normali zed impcdance of ce nte r-dri ven cylind rical dipole a nLe nnas when irnm_ersed in a ir or in a dissipaLive medium. The electric half-le ngth ranges from 1 to 100 for dipoles in a ir and from 1 to 19.7 for dipoles in a diss ipaLi ve medium. Three rat ios of r adius of the antenna to waveleng t h have been used. The proper t ies of the medium a re exp ressed in terms of the ratio 01 / f3 in the r a nge from zero to one where f3 a nd 01 are, respectively, t he real a nd imaginary parts of t he complex propagatio n cons tant k.","PeriodicalId":398550,"journal":{"name":"Journal of Research of the National Bureau of Standards, Section D: Radio Propagation","volume":"612 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1963-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":"{\"title\":\"Impedances of long antennas in air and in dissipative media\",\"authors\":\"D. W. Gooch, C. Harrison, R. King, T. Wu\",\"doi\":\"10.6028/JRES.067D.038\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Graphs arc pro vided for t he normali zed impcdance of ce nte r-dri ven cylind rical dipole a nLe nnas when irnm_ersed in a ir or in a dissipaLive medium. The electric half-le ngth ranges from 1 to 100 for dipoles in a ir and from 1 to 19.7 for dipoles in a diss ipaLi ve medium. Three rat ios of r adius of the antenna to waveleng t h have been used. The proper t ies of the medium a re exp ressed in terms of the ratio 01 / f3 in the r a nge from zero to one where f3 a nd 01 are, respectively, t he real a nd imaginary parts of t he complex propagatio n cons tant k.\",\"PeriodicalId\":398550,\"journal\":{\"name\":\"Journal of Research of the National Bureau of Standards, Section D: Radio Propagation\",\"volume\":\"612 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1963-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"18\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Research of the National Bureau of Standards, Section D: Radio Propagation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.6028/JRES.067D.038\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Research of the National Bureau of Standards, Section D: Radio Propagation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.6028/JRES.067D.038","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Impedances of long antennas in air and in dissipative media
Graphs arc pro vided for t he normali zed impcdance of ce nte r-dri ven cylind rical dipole a nLe nnas when irnm_ersed in a ir or in a dissipaLive medium. The electric half-le ngth ranges from 1 to 100 for dipoles in a ir and from 1 to 19.7 for dipoles in a diss ipaLi ve medium. Three rat ios of r adius of the antenna to waveleng t h have been used. The proper t ies of the medium a re exp ressed in terms of the ratio 01 / f3 in the r a nge from zero to one where f3 a nd 01 are, respectively, t he real a nd imaginary parts of t he complex propagatio n cons tant k.
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