Dynamic Road Surface Signatures in Automotive Scenarios

Conference paper (2022)

Authors

W. Bouwmeester

F. Fioranelli

Alexander Yarovoy

DOI: https://doi.org/10.23919/EuRAD50154.2022.9784570

Autonomous vehicles Radar cross-sections Advanced driver assistance Rough surfaces scattering

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Published Date

2022

Language

English

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Abstract

A method to compute road surface signatures in the automotive scenario is presented. This method is subsequently applied to a rough asphalt surface without undulations. It is shown that, due to the observation geometry, the road surface signature experiences significant spreading along the Doppler-axis, resulting in a distinct range-Doppler map that could be used for classification purposes. This was also confirmed with an experimental recording from a car driving around the university campus. The variation of Doppler-shift and incident angle within a range bin and over a coherent processing interval is also evaluated.

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