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Investigation of a mmWave-Radar-Based sensor for snow-suspension density measurements

 
: Baer, C.; Jaeschke, T.; Fischer, J.-T.; Fromm, R.; Rauter, M.; Achleitner, S.; Pohl, N.

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IEEE Sensors Journal 16 (2016), No.24, pp.8861-8862
ISSN: 1530-437X
English
Journal Article
Fraunhofer FHR ()

Abstract
The precise and robust determination of snow-suspension densities is inevitable for the reliable prediction of the destruction potential of powder snow avalanches. Therefore, in this letter, a novel sensor approach for the snow-density determination is investigated. It relies on highly stable and fast time-of-flight measurements utilizing a highly accurate mmWave-radar system. Next to theoretical considerations on the applicability of dielectric mixing equations for snow-suspensions, first test measurements, that were carried out on super dilute snow-squalls, are presented and discussed in detail.

: http://publica.fraunhofer.de/documents/N-452499.html