A new reflector antenna design providing two different patterns

Mesut Kartal, Ismail Güngör*, Bora Döken

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Citations (Scopus)

Abstract

Antennas with cosecant squared pattern are designed for air-surveillance radar systems. These permit an adapted distribution of the radiation in the beam and causing a more ideal space scanning. In the practice a cosecant squared pattern can be achieved by a deformation of a parabolic reflector. Moreover, it can be achieved by using multiple feed antennas with normal parabolic reflector surfaces. A fan beam antenna which is a directional antenna producing a main beam having a narrow beamwidth in one dimension and a wider beamwidth in the other dimension can also be used for similar purposes. This pattern can be achieved by a truncated parabolic reflector or a circular parabolic reflector. Frequency selective surfaces (FSSs) have been used in the reflector antenna designs in recent years. A FSS is an array of periodically arranged patches or apertures, showing a particular filtering behavior. Its selectivity in frequency is obtained by the design and allows the transmission of signals in a certain frequency range only. This work is proposed to design a reflector antenna that provides both fan beam and cosecant squared pattern by using a FSS. For the simulation and optimization of the antenna, high frequency simulation software (HFSS) and SUPERNEC antenna simulation programs are used.

Original languageEnglish
Title of host publication2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
DOIs
Publication statusPublished - 2011
Event2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011 - Istanbul, Turkey
Duration: 13 Aug 201120 Aug 2011

Publication series

Name2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011

Conference

Conference2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
Country/TerritoryTurkey
CityIstanbul
Period13/08/1120/08/11

Keywords

  • beamwidth
  • Cosecant squared pattern
  • fan beam antenna
  • frequency selective surface
  • HFSS
  • optimization
  • reflector antenna
  • simulation
  • SUPERNEC

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