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- W2610734911 abstract "The U.S. Army Research Laboratory (ARL) recently designed and tested a new prototype radar, the Spectrally Agile Frequency-Incrementing Reconfigurable (SAFIRE) radar system, based on a stepped-frequency architecture to address issues associated with our previous impulse-based radars. This is a low-frequency ultra-wideband (UWB) radar with frequencies spanning from 300 to 2000 MHz. Mounted on a vehicle, the radar can be configured in either sidelooking or forward-looking synthetic aperture radar (SAR) mode. We recently conducted our first experiment at Yuma Proving Grounds (YPG). This paper summarizes the radar configurations, parameters, and SAR geometry. The radar data and other noise sources, to include the self-interference signals and radio-frequency interference (RFI) noise sources, are presented and characterized in both the raw (pre-focus) and SAR imagery domains. This paper also describes our signal processing techniques for extracting noise from radar data, as well as the SAR imaging algorithms for forming SAR imagery in both forward- and side-looking modes. Finally, this paper demonstrates our spectral recovery technique and results for a radar operating in a spectrally restricted environment." @default.
- W2610734911 created "2017-05-12" @default.
- W2610734911 creator A5032510248 @default.
- W2610734911 date "2017-05-01" @default.
- W2610734911 modified "2023-10-03" @default.
- W2610734911 title "Signal processing techniques for the U.S. Army Research Laboratory stepped frequency ultra-wideband radar" @default.
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- W2610734911 doi "https://doi.org/10.1117/12.2262032" @default.
- W2610734911 hasPublicationYear "2017" @default.
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