Ultra-Wideband Patch Antenna Array With an Inclined Proximity Coupled Feed for Small Unmanned Aircraft RADAR Applications

Awasthi, Abhishek K.; Simpson, Christopher D.; Kolpuke, Shriniwas; Luong, Tuan D.; Yan, Jie-Bang; Taylor, Drew; Gogineni, S. Prasad

doi:10.1109/ojap.2021.3128015

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Ultra-Wideband Patch Antenna Array With an Inclined Proximity Coupled Feed for Small Unmanned Aircraft RADAR Applications

2021
By Awasthi, Abhishek K. ; Simpson, Christopher D. ; Kolpuke, Shriniwas ; ...
Source: IEEE Open Journal of Antennas and Propagation, 2, 1079-1086

[PDF-3.41 MB]

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Journal Title:

IEEE Open Journal of Antennas and Propagation
Personal Author:

Awasthi, Abhishek K. ; Simpson, Christopher D. ; Kolpuke, Shriniwas ; Luong, Tuan D. ; Yan, Jie-Bang ; ... More +

Awasthi, Abhishek K. ; Simpson, Christopher D. ; Kolpuke, Shriniwas ; Luong, Tuan D. ; Yan, Jie-Bang ; Taylor, Drew ; Gogineni, S. Prasad Less -
NOAA Program & Office:

NWS (National Weather Service)
Description:

This paper the design of a lightweight and compact patch antenna array with an inclined proximity coupled feed. The antenna array is designed for operation on a small unmanned aircraft system (sUAS) with an ultra-wideband (UWB) radar for remote sensing of soil moisture and snow. To achieve UWB impedance matching, the design utilizes an inclined wide feed and inter-element coupling. A 3-D printed base (polylactic acid) is used to support the feed structure. The antenna array operates over a 2.5 GHz – 4.5 GHz frequency (57.2% bandwidth) range, and its weight is 112 grams. A prototype 2×4 element array is fabricated and tested. The antenna array has an 88.2% average radiation efficiency and a 13.2 dBi average realized gain over the desired frequency band with broadside and stable radiation pattern.
Keywords:

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General Medicine
Source:

IEEE Open Journal of Antennas and Propagation, 2, 1079-1086
DOI:

https://doi.org/10.1109/ojap.2021.3128015
ISSN:

2637-6431
Format:

PDF
Publisher:

Institute of Electrical and Electronics Engineers (IEEE)
Document Type:

Journal Article
Funding:

Grant no. NA18NWS4620043B
License:

https://creativecommons.org/licenses/by/4.0/
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CC BY
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urn:sha256:bc8131109afb1912dd928dd560ed5568cf90df0758521009ac870bab8aa6e332
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https://repository.library.noaa.gov/view/noaa/58947/noaa_58947_DS1.pdf
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Ultra-Wideband Patch Antenna Array With an Inclined Proximity Coupled Feed for Small Unmanned Aircraft RADAR Applications

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