Browsing Rapporter by Author "Weydahl, Dan Johan"
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Comparison of RADARSAT and IKONOS satellite images - detection and visibility of man-made objects
Bretar, Frédéric; Weydahl, Dan Johan (2001)This report compares the visual appearance and detection of different man-made objects in an area close to Bergen city in Norway using IKONOS (1 m resolution) and RADARSAT (9 m resolution) images respectively. The results ... -
Forslag til funksjonsapparat for fremtidig bruk av radarsatellitter i base- og havneovervåkning
Weydahl, Dan Johan (2001)Synthetic aperture radar (SAR) images can be used to detect changes at the Earth surface over time. This makes it possible to follow construction work development and activities in bases and harbours. This report describes ... -
Høyoppløsnings SAR satellittbilder tatt over fjellpartier ved Bjerkvik i Nord-Norge
Weydahl, Dan Johan; Eldhuset, Knut (2011-07-04)Vi har brukt høyoppløsnings Radarsat-2 og COSMO-SkyMed syntetisk aperture radar satellittbilder (SAR) tatt i april 2010 for å evaluere fremkommelighet og noen utvalgte særtrekk ved fjellterrenget øst for Bjerkvik i ... -
Validation of SRTM elevation data in Norway
Weydahl, Dan Johan (2005)The Shuttle Radar Topography Mission (SRTM) was carried out in February 2000. The goal was to produce a global and consistent digital elevation model with a grid posting of 30 m or 90 m, and with an absolute vertical ...