Investigations on Accurate Analysis of Microstrip Reflectarrays

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

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An investigation on accurate analysis of microstrip reflectarrays is presented. Sources of error in reflectarray analysis are examined and solutions to these issues are proposed. The focus is on two sources of error, namely the determination of the equivalent currents to calculate the radiation pattern, and the inaccurate mutual coupling between array elements due to the lack of periodicity. To serve as reference, two offset reflectarray antennas have been designed, manufactured and measured at the DTUESA Spherical Near-Field Antenna Test Facility. Comparisons of simulated and measured data are presented to verify and demonstrate the improved results using the proposed solutions.
Original languageEnglish
Title of host publicationProceedings of the 33rd ESA Antenna Workshop
Publication date2011
StatePublished

Workshop

Workshop33rd ESA Antenna Workshop on Challenges for Space Antenna Systems
Number33
CountryNetherlands
CityNoordwijk
Period18/10/1121/10/11
Internet addresshttp://www.congrex.nl/11c07/

Keywords

  • Antenna radiation pattern, Measurements, Horn antennas, Microstrip reflectarrays, Method of moments (MoM), Accurate antenna analysis
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