{"title":"VHF/UHF机载天线的带外响应","authors":"E. Joffe","doi":"10.1109/NSEMC.1989.37179","DOIUrl":null,"url":null,"abstract":"The out-of-band response of an antenna is an important factor in determining the receiving system's susceptibility to the RF environment in which it is required to operate. A method for measuring the response of antennas below band is presented that is reliable, repeatable, and simulates to a high level of confidence plane wave conditions-the actual propagation mode that all airborne communication/navigation (COMM/NAV) antennas sense from most ground emitters and broadcast stations. The method has shown that the gain of most airborne COMM/NAV antennas is approximately -60 dBi, in the higher frequency range, to -120 dBi, in the lower frequency range, depending on the antenna. The VHF Whip antenna presents higher gain, due to its mechanical dimensions.<<ETX>>","PeriodicalId":408694,"journal":{"name":"National Symposium on Electromagnetic Compatibility","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"Out-of-band response of VHF/UHF airborne antennae\",\"authors\":\"E. Joffe\",\"doi\":\"10.1109/NSEMC.1989.37179\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The out-of-band response of an antenna is an important factor in determining the receiving system's susceptibility to the RF environment in which it is required to operate. A method for measuring the response of antennas below band is presented that is reliable, repeatable, and simulates to a high level of confidence plane wave conditions-the actual propagation mode that all airborne communication/navigation (COMM/NAV) antennas sense from most ground emitters and broadcast stations. The method has shown that the gain of most airborne COMM/NAV antennas is approximately -60 dBi, in the higher frequency range, to -120 dBi, in the lower frequency range, depending on the antenna. The VHF Whip antenna presents higher gain, due to its mechanical dimensions.<<ETX>>\",\"PeriodicalId\":408694,\"journal\":{\"name\":\"National Symposium on Electromagnetic Compatibility\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-05-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"National Symposium on Electromagnetic Compatibility\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NSEMC.1989.37179\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"National Symposium on Electromagnetic Compatibility","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NSEMC.1989.37179","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The out-of-band response of an antenna is an important factor in determining the receiving system's susceptibility to the RF environment in which it is required to operate. A method for measuring the response of antennas below band is presented that is reliable, repeatable, and simulates to a high level of confidence plane wave conditions-the actual propagation mode that all airborne communication/navigation (COMM/NAV) antennas sense from most ground emitters and broadcast stations. The method has shown that the gain of most airborne COMM/NAV antennas is approximately -60 dBi, in the higher frequency range, to -120 dBi, in the lower frequency range, depending on the antenna. The VHF Whip antenna presents higher gain, due to its mechanical dimensions.<>
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