Improved two-antenna direction finding inspired by human ears

Rongguo Zhou, Hualiang Zhang, Hao Xin

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

This paper presents an improved two-antenna microwave passive direction finding system inspired by the human auditory system. By incorporating a head-like scatterer between two monopole antennas, both phase and magnitude information can be utilized to estimate the direction of arrival (DOA) of a microwave signal, thus eliminating ambiguities associated with phase wrapping at high frequency, just like human ears. In addition, better DOA sensitivity is demonstrated with the incorporation of the head-like scatterer. Both numerical modeling and experimental results of a simple X-band two-monopole configuration with symmetric and asymmetric scatterers are presented.

Original languageEnglish (US)
Article number5765478
Pages (from-to)2691-2697
Number of pages7
JournalIEEE Transactions on Antennas and Propagation
Volume59
Issue number7
DOIs
StatePublished - Jul 2011

Fingerprint

direction finding
Direction of arrival
ear
Radio direction finding systems
antennas
Microwave antennas
Antennas
Monopole antennas
arrivals
scattering
microwave antennas
monopole antennas
Microwaves
superhigh frequencies
monopoles
ambiguity
microwaves
sensitivity
estimates
configurations

Keywords

  • Biological inspired
  • direction of arrival (DOA) estimation
  • monopole

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Improved two-antenna direction finding inspired by human ears. / Zhou, Rongguo; Zhang, Hualiang; Xin, Hao.

In: IEEE Transactions on Antennas and Propagation, Vol. 59, No. 7, 5765478, 07.2011, p. 2691-2697.

Research output: Contribution to journalArticle

Zhou, Rongguo ; Zhang, Hualiang ; Xin, Hao. / Improved two-antenna direction finding inspired by human ears. In: IEEE Transactions on Antennas and Propagation. 2011 ; Vol. 59, No. 7. pp. 2691-2697.
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