نتایج جستجو برای: terrasar
تعداد نتایج: 870 فیلتر نتایج به سال:
This paper introduces a method for road network extraction from satellite images. The proposed approach covers a new fusion method (using data from multiple sources) and a new Markov random field (MRF) defined on connected components along with a multilevel application (two levels MRF). Our method allows the detection of roads with different characteristics and decreases by around 30% the size ...
The German radar satellite TerraSAR-X was launched in June 2007 [1] and is currently ending its commissioning phase. We anticipate quite different interferometric application scenarios compared to ERS1/2 and ASAR due to the X-band frequency, the short orbital repeat cycles of 11 days, the high range resolution and the spotlight mode of this sensor. During the commissioning phase we have schedul...
Understanding of exchange processes over Tibetan Plateau including hydrological cycle is becoming increasingly important since their influence on the formation of the Asian monsoon system is known. Recent variation of levels of Tibetan lakes and retreat of mountain glaciers has to be studied in detail with respect to global change. Tibetan Plateau is source area for main Asian rivers that are o...
In June, 2010 the German SAR satellite TanDEM-X (TerraSAR-X-Add-on for Digital Elevation Measurements) will be launched. Together with TerraSAR-X, launched June 15, 2007, it will form the first spaceborne bistatic SAR platform. Usually one of the satellite is transmitting (active satellite), while both are receiving. As both satellites fly in a helix orbit constellation, during a recording a sa...
TanDEM-X is a German Public Private Partnership project between DLR and EADS Astrium for a novel satellite constellation based on TerraSAR-X with the goal to generate a global digital elevation model (DEM) according to the HRTI-3 standard, i.e. 10 m horizontal spacing and 1-2 meter vertical accuracy. TerraSAR-X is a civil German X-Band Synthetic Aperture Radar (SAR) satellite to be launched in ...
TerraSAR-X, the first national German radar satellite, was launched in June 2007. It carries an X-band highresolution synthetic aperture radar instrument featuring the operational imaging modes Stripmap, ScanSAR and, particularly, Spotlight in a variety of different polarization modes. The TerraSAR-X mission completed its commissioning phase in December 2007 and started the provision of high-re...
T ERRASAR-X is Germany's first civil radar satellite. It has been realized in a public–private partnership between the German Aerospace Center (DLR) and EADS Astrium GmbH. The high-resolution synthetic aperture radar (SAR) satellite, which was successfully launched on June 15, 2007, delivers high-quality radar images for scientific and commercial applications. TerraSAR-X is the fruit of consist...
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