Design of a W-band dual-polarization monopulse reflector antenna

Wenhao Tan, Hao Luo, Guoqiang Zhao

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This paper introduces a W-band dual-polarization reflector antenna which combines one dual-polarized transmit-receive SUM channel and two single-polarized DIFF receiving channels. The feed of the antenna consists of four OMTs (Orth Mode Transducer) to realize dual-polarization monopulse angle measurement. Four horns of the feed are combined into one radiation aperture by a coupled retracted structure to decrease side-lobes. The SUM beam gain of the proposed antenna is over 41 dBi and the aperture efficiency of 60% is achieved, cross-polarization level is better than –43 dB. The first sidelobe level is better than -30dB. The null-depth is better than -20dB.

Original languageEnglish
Pages (from-to)905-908
Number of pages4
JournalApplied Computational Electromagnetics Society Journal
Volume34
Issue number6
Publication statusPublished - 2019

Keywords

  • Dual-polarization
  • Monopulse
  • Reflector antenna
  • W-band

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Tan, W., Luo, H., & Zhao, G. (2019). Design of a W-band dual-polarization monopulse reflector antenna. Applied Computational Electromagnetics Society Journal, 34(6), 905-908.