{"title":"宽带微带天线的实验研究","authors":"J. Watkins, S. Uysal","doi":"10.1109/RADAR.1990.201095","DOIUrl":null,"url":null,"abstract":"An experimental investigation of broadband microstrip antennas on a PTFE substrate with permittivity epsilon /sub r/=2.1 and thickness h=1.6 mm is presented. A 17% bandwidth improvement is achieved by modifying the feed on the substrate with coaxial-fed disk antennas. Experiments carried out on circularly shaped modified patches showed a further bandwidth improvement of 80% over conventional microstrip patches. This method of bandwidth improvement is based on the fact that the impedance match is the limiting factor to the bandwidth for this class of antennas.<<ETX>>","PeriodicalId":441674,"journal":{"name":"IEEE International Conference on Radar","volume":"68 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Experimental investigation of broad-band microstrip antennas\",\"authors\":\"J. Watkins, S. Uysal\",\"doi\":\"10.1109/RADAR.1990.201095\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An experimental investigation of broadband microstrip antennas on a PTFE substrate with permittivity epsilon /sub r/=2.1 and thickness h=1.6 mm is presented. A 17% bandwidth improvement is achieved by modifying the feed on the substrate with coaxial-fed disk antennas. Experiments carried out on circularly shaped modified patches showed a further bandwidth improvement of 80% over conventional microstrip patches. This method of bandwidth improvement is based on the fact that the impedance match is the limiting factor to the bandwidth for this class of antennas.<<ETX>>\",\"PeriodicalId\":441674,\"journal\":{\"name\":\"IEEE International Conference on Radar\",\"volume\":\"68 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-05-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE International Conference on Radar\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RADAR.1990.201095\",\"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 International Conference on Radar","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RADAR.1990.201095","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental investigation of broad-band microstrip antennas
An experimental investigation of broadband microstrip antennas on a PTFE substrate with permittivity epsilon /sub r/=2.1 and thickness h=1.6 mm is presented. A 17% bandwidth improvement is achieved by modifying the feed on the substrate with coaxial-fed disk antennas. Experiments carried out on circularly shaped modified patches showed a further bandwidth improvement of 80% over conventional microstrip patches. This method of bandwidth improvement is based on the fact that the impedance match is the limiting factor to the bandwidth for this class of antennas.<>
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