Estimating the shape of vehicles is crucial for radar-based advanced driver assistance and safety systems. However, conventional radar processing is unable to resolve the different parts of a vehicle as required for this task. To address this issue a two-stage approach is considered which employs high-resolution techniques in combination with conventional Fourier-based methods. Single- and two-dimensional high-resolution estimation is discussed, which includes range and range-rate estimation in the temporal dimensions of the radar data. A novel technique referred to as cell interpolation is proposed, which can employ range and range-rate estimates in combination with Fourier-domain data for direction-of-arrival estimation. Two-stage processing has been implemented in the case of two-dimensional high-resolution estimation using the spectral RELAX algorithm and experimental results are shown.
Target Shape Estimation Using an Automotive Radar
Smart Mobile In-Vehicle Systems ; Kapitel : 16 ; 271-290
30.10.2013
20 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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