{"title":"VHF/UHF圆柱形散热器的数值技术","authors":"C. Repesh","doi":"10.1109/APS.1999.789249","DOIUrl":null,"url":null,"abstract":"The frequency response of a dipole with asymmetric radii fed in the sleeve via a coaxial aperture is computed. A numerical electromagnetics code (NEC4.1) wire grid model is compared with a body of revolution finite difference time domain (2.5FDTD) solid model after Fourier transformation. Directive gain patterns and source impedance show an effective approach to designing a broad range of omnidirectional TM/sub Z/ antennas for VHF/UHF spectrum.","PeriodicalId":391546,"journal":{"name":"IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Numerical techniques for VHF/UHF cylinder radiators\",\"authors\":\"C. Repesh\",\"doi\":\"10.1109/APS.1999.789249\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The frequency response of a dipole with asymmetric radii fed in the sleeve via a coaxial aperture is computed. A numerical electromagnetics code (NEC4.1) wire grid model is compared with a body of revolution finite difference time domain (2.5FDTD) solid model after Fourier transformation. Directive gain patterns and source impedance show an effective approach to designing a broad range of omnidirectional TM/sub Z/ antennas for VHF/UHF spectrum.\",\"PeriodicalId\":391546,\"journal\":{\"name\":\"IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-07-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APS.1999.789249\",\"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 Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1999.789249","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Numerical techniques for VHF/UHF cylinder radiators
The frequency response of a dipole with asymmetric radii fed in the sleeve via a coaxial aperture is computed. A numerical electromagnetics code (NEC4.1) wire grid model is compared with a body of revolution finite difference time domain (2.5FDTD) solid model after Fourier transformation. Directive gain patterns and source impedance show an effective approach to designing a broad range of omnidirectional TM/sub Z/ antennas for VHF/UHF spectrum.
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