Omnidirectional/directional TEM horn circular array for joint time and frequency operation

A wideband TEM horn circular array with directional and omnidirectional patterns for joint time and frequency operation is presented. The omnidirectional mode of operation is obtained by exciting the circular array phase mode 0 whereas the directional mode at a specific direction is achieved by exci...

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Bibliographic Details
Published in2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting pp. 2205 - 2206
Main Authors Elmansouri, Mohamed A., Jaegeun Ha, Filipovic, Dejan S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2015
Subjects
Antenna radiation patterns
Arrays
Time-frequency analysis
Wideband
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Summary:A wideband TEM horn circular array with directional and omnidirectional patterns for joint time and frequency operation is presented. The omnidirectional mode of operation is obtained by exciting the circular array phase mode 0 whereas the directional mode at a specific direction is achieved by exciting a specific element(s) in the array. A miniaturized combined TEM horn and loop antenna is used as a unit cell leading to 8:1 operating bandwidth with good time and frequency domain performances.
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2015.7305491