{"title":"在使用圆形数组的全向模式中引入多个空","authors":"J. Abele, J. Joubert, J. Odendaal","doi":"10.1109/COMSIG.1998.736982","DOIUrl":null,"url":null,"abstract":"Omnidirectional antennas with controllable nulls are desirable in cellular communication systems. The introduction of nulls in the pattern of a general antenna array has been widely discussed. However, for omnidirectional patterns these techniques disturb the pattern and introduce undesirable ripple. A synthesis procedure is proposed for the introduction of multiple nulls with controllable ripple in an omnidirectional pattern of a circular array.","PeriodicalId":294473,"journal":{"name":"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Introduction of multiple nulls in an omnidirectional pattern using circular arrays\",\"authors\":\"J. Abele, J. Joubert, J. Odendaal\",\"doi\":\"10.1109/COMSIG.1998.736982\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Omnidirectional antennas with controllable nulls are desirable in cellular communication systems. The introduction of nulls in the pattern of a general antenna array has been widely discussed. However, for omnidirectional patterns these techniques disturb the pattern and introduce undesirable ripple. A synthesis procedure is proposed for the introduction of multiple nulls with controllable ripple in an omnidirectional pattern of a circular array.\",\"PeriodicalId\":294473,\"journal\":{\"name\":\"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-09-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/COMSIG.1998.736982\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 1998 South African Symposium on Communications and Signal Processing-COMSIG '98 (Cat. No. 98EX214)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COMSIG.1998.736982","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Introduction of multiple nulls in an omnidirectional pattern using circular arrays
Omnidirectional antennas with controllable nulls are desirable in cellular communication systems. The introduction of nulls in the pattern of a general antenna array has been widely discussed. However, for omnidirectional patterns these techniques disturb the pattern and introduce undesirable ripple. A synthesis procedure is proposed for the introduction of multiple nulls with controllable ripple in an omnidirectional pattern of a circular array.
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