{"title":"Variation of far-field radiation patterns of reflectors by structural deformation","authors":"F. Guan, Y. Hangai","doi":"10.1109/APS.1989.134671","DOIUrl":null,"url":null,"abstract":"Large reflector antennas subjected to dead load, wind load, etc. experience structural deformations which cause degradations in radiation patterns. In the present work, variations of far-field radiation patterns of reflector antennas due to symmetrical (n=0) and antisymmetrical (n=1) deformation are numerically analyzed. Two types of parabolic antennas are used as the illustrative models. The antisymmetrical deformations are shown to have a stronger influence on the variations of radiation patterns.<<ETX>>","PeriodicalId":11330,"journal":{"name":"Digest on Antennas and Propagation Society International Symposium","volume":"4 1","pages":"282-285 vol.1"},"PeriodicalIF":0.0000,"publicationDate":"1989-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Digest on Antennas and Propagation Society International Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1989.134671","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Large reflector antennas subjected to dead load, wind load, etc. experience structural deformations which cause degradations in radiation patterns. In the present work, variations of far-field radiation patterns of reflector antennas due to symmetrical (n=0) and antisymmetrical (n=1) deformation are numerically analyzed. Two types of parabolic antennas are used as the illustrative models. The antisymmetrical deformations are shown to have a stronger influence on the variations of radiation patterns.<>
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