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Method to Improve Range and Velocity Error Using De-interleaving and Frequency Interpolation for Automotive FMCW Radars

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Author(s): Eugin Hyun | Jong-Hun Lee

Journal: International Journal of Signal Processing, Image Processing and Pattern Recognition
ISSN 2005-4254

Volume: 2;
Issue: 2;
Start page: 11;
Date: 2009;
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Keywords: Automotive FMCW Radars | Frequency Interpolation | Velocity Error

ABSTRACT
In the paper, we propose method to obtain the range and velocity with improved error depending on each distance (long, middle, and short) of the target for the automotive Frequency Modulation Continuous Wave (FMCW) radars. While target is in the longdistance, the range and velocity are roughly extracted, for near-range target with the high collision probability, the de-interleaved method in the time domain and frequency interpolation in the frequency domain are applied to obtain more accurate range and velocity.
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