DocumentCode
1795009
Title
A constant beamwidth reflector antenna for a harmonic radar operating in the near-field
Author
Aumann, Herbert M. ; Emanetoglu, Nuri W.
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Maine, Orono, ME, USA
fYear
2014
fDate
13-16 July 2014
Firstpage
1
Lastpage
2
Abstract
A dual-frequency constant beamwidth reflector antenna for use with a harmonic radar in the focused near-field is proposed. The technique matches reflector defocusing effects to the frequency dependent phase center displacement of a log-period dipole antenna feed by specifying the LPDA apex angle. The technique was verified by simulations and measurements.
Keywords
antenna feeds; dipole antennas; log periodic antennas; multifrequency antennas; near-field communication; radar antennas; reflector antennas; LPDA apex angle; dual-frequency constant beamwidth reflector antenna; focused near-field; frequency dependent phase center displacement; harmonic radar; log-period dipole antenna feed; reflector defocusing effects; Antenna feeds; Broadband antennas; Dipole antennas; Harmonic analysis; Radar; Radar antennas;
fLanguage
English
Publisher
ieee
Conference_Titel
Antenna Technology and Applied Electromagnetics (ANTEM), 2014 16th International Symposium on
Conference_Location
Victoria, BC
Type
conf
DOI
10.1109/ANTEM.2014.6887680
Filename
6887680
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