{"title":"An overall azimuthal pattern computation of blocked cylindrical reflector antennas","authors":"K. Miyata, I. Fukai","doi":"10.1109/APS.1989.134922","DOIUrl":null,"url":null,"abstract":"It is shown that by using the BEM (boundary-element method), it is possible to compute the whole-angle radiation patterns of offset cylindrical reflector antennas with aperture blockage. Consideration is given to a circular cylinder loaded near the aperture of a small offset cylindrical reflector antenna as the blocking model. The overall radiation patterns, including the strut-scattering effects, are predicted by using the BEM and compared with measured patterns (at a frequency of 8 GHz) for verification. Although there appears to be some differences of levels at some wide-angle regions (due probably to a misalignment or measuring setup errors), the entire radiation pattern is found to be well predicted by the numerical data, thus proving the validity of the method.<<ETX>>","PeriodicalId":11330,"journal":{"name":"Digest on Antennas and Propagation Society International Symposium","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1989-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Digest on Antennas and Propagation Society International Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1989.134922","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
It is shown that by using the BEM (boundary-element method), it is possible to compute the whole-angle radiation patterns of offset cylindrical reflector antennas with aperture blockage. Consideration is given to a circular cylinder loaded near the aperture of a small offset cylindrical reflector antenna as the blocking model. The overall radiation patterns, including the strut-scattering effects, are predicted by using the BEM and compared with measured patterns (at a frequency of 8 GHz) for verification. Although there appears to be some differences of levels at some wide-angle regions (due probably to a misalignment or measuring setup errors), the entire radiation pattern is found to be well predicted by the numerical data, thus proving the validity of the method.<>
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