The Ultrawideband Software-Defined Microwave Radiometer: Instrument Description and Initial Campaign Results

The ultrawideband software-defined microwave radiometer is a 500-2000-MHz radiometer developed to probe temperatures inside ice sheets. Given the instrument's operation outside of protected portions of the spectrum, radio frequency interference (RFI) is a significant concern, and the instrument...

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Bibliographic Details
Published in:IEEE transactions on geoscience and remote sensing 2018-10, Vol.56 (10), p.5923-5935
Main Authors: Andrews, Mark J., Johnson, Joel T., Jezek, Kenneth C., Li, Hongkun, Bringer, Alexandra, Chen, Chi-Chih, Belgiovane, Domenic J., Leuski, Vladimir, Macelloni, Giovanni, Brogioni, Marco
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Calibration
Computer programs
Detection
electromagnetic interference
Filtration
Glaciation
Ice
Ice sheets
Microwave radiometers
Microwave radiometry
Radio frequency
Radio frequency interference
Radiometers
radiometry
remote sensing
Software
Stability
Stability analysis
Switches
Temperature measurement
ultra-high frequency (UHF) radiometry
Ultrawideband
ultrawideband radiation
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Summary:The ultrawideband software-defined microwave radiometer is a 500-2000-MHz radiometer developed to probe temperatures inside ice sheets. Given the instrument's operation outside of protected portions of the spectrum, radio frequency interference (RFI) is a significant concern, and the instrument is designed to facilitate RFI detection and filtering. This paper analyzes the design and operation of the radiometer, the accuracy and stability of the brightness temperatures it produces, and the RFI analyses of the results acquired in its debut flight over northern Canada and Greenland in September 2016.
ISSN:0196-2892
1558-0644
DOI:10.1109/TGRS.2018.2828604