Analytical modelling of waveguide mode launchers for matched feed reflector systems

Michael Forum Palvig, Olav Breinbjerg, Peter Meincke, Erik Jørgensen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Matched feed horns aim to cancel cross polarization generated in offset reflector systems. An analytical method for predicting the mode spectrum generated by inclusions in such horns, e.g. stubs and pins, is presented. The theory is based on the reciprocity theorem with the inclusions represented by current sources. The model is supported by Method of Moments calculations in GRASP and very good agreement is seen. The model gives rise to many interesting observations and ideas for new or improved mode launchers for matched feeds.
Original languageEnglish
Title of host publication2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
PublisherIEEE
Publication date2016
Pages1343-1344
ISBN (Print)9781509028856
DOIs
Publication statusPublished - 2016
Event2016 IEEE International Symposium on Antennas and Propagation - Fajardo, Puerto Rico
Duration: 26 Jun 20161 Jul 2016

Conference

Conference2016 IEEE International Symposium on Antennas and Propagation
CountryPuerto Rico
CityFajardo
Period26/06/201601/07/2016
Series2016 Ieee International Symposium on Antennas and Propagation (apsursi)
ISSN1947-1491

Keywords

  • Feeds
  • Pins
  • Method of moments
  • Solid modeling
  • Predictive models
  • Geometry

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