On-line Monitoring of Weather Radar Antenna Pointing using high-resolution DTM and AI techniques

MA Rico-Ramirez, E Gonzalez-Ramirez, ID Cluckie

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

This paper presents a novel tecnique to continuously monitor the azimuthal pointing accuracy of a weather radar antenna. The technique consists in cross correlating modeled and measured echoes from ground clutter in real-time at low elevation angles in precipitation and non-precipitation conditions. The azimuthal angle with maximum cross-correlation indicates the adjustment in antenna pointing accuracy. The modeled ground clutter echoes are obtained using high-resolution digital terrain elevation (DTM) data whereas the measured ground clutter echoes can be obtained in real-time by using a Bayes classifier, which identifies the clutter echoes in the presence of precipitation.
Translated title of the contributionOn-line Monitoring of Weather Radar Antenna Pointing using high-resolution DTM and AI techniques
Original languageEnglish
Title of host publicationInternational Symposium Weather Radar and Hydrology, Grenoble, France
Publication statusPublished - 2008

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