Realistic SAR Implementation for Automotive Applications
Hasan Iqbal, Andreas Löffler, Mohamed Nour Mejdoub, Frank Gruson
Abstract
<tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$A$</tex> synthetic aperture radar (SAR) set-up is presented which has been implemented at 77 GHz keeping the automotive requirements in mind. The time-domain back-projection algorithm has been realised in real-time which can deliver ready SAR images of the target scenario within milliseconds of having been measured with the radar. With the presented set-up, it is also possible to measure the trajectory of the test vehicle very precisely without the use of external systems, for example GPS. The travelled trajectory can be computed with a maximum error of approximately 2%. The SAR solution is therefore entirely self-sustaining and proven to deliver accurate results.