What is it about?
A method for designing ultra sideband antennas, with radiation patterns and polarization diversity is provided. Its use as a high efficiency and monopulse feed for reflector antennas is shown and investigated.
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Why is it important?
Ultra wideband antennas are usually single polarize and with a fixed radiation patterns. This paper presents an ultra wideband antenna with pattern and polarization diversity, and omnidirectional and high gain radiation patterns. It can be used as a stand alone antenna, or as a feed for reflector antennas. In the latter case, it acts as a high efficiency reflector feed with monopulse tracking capability. It is therefore a multi-functional adaptive antenna and reflector feed, not available in other designs.
Perspectives
This is a multi-functionultra sideband antenna providing several features in one design and capable of reconfiguration in radiation patterns, polarization and gain. As a reflector feed, it is also a novel ultra sideband antenna for high efficiency, and simultaneously capable of monopulse tracking. These features are unique in this design not available in other antennas and reflector feeds.
Dr Lotfollah shafai
University of Manitoba
Read the Original
This page is a summary of: Ultrawideband monopulse antenna with application as a reflector feed, IET Microwaves Antennas & Propagation, March 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-map.2015.0437.
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