Paper Info
Title
Traffic Monitoring Using Srtm Along-Track Interferometry
Abstract
In February 2000, the Shuttle Radar Topography Mission SRTM was flown as the first single-pass SAR interferometer in space. The goal was to obtain a global digital elevation model. Therefore, a secondary receive-only antenna on the tip of a 60 in long deployable mast supplemented the primary transmit and receive antenna mounted in the shuttle cargo bay. Due to mechanical constraints, the interferometric baseline did not only consist of the terrain height sensitive across track component but also contained an along track component of 7 in. The resulting time lag between the data acquisitions by the two antennas causes phase differences, which are proportional to the line-of-sight velocity of moving targets. Since this system ability has been expected prior to the SRTM launch, a traffic monitoring experiment has been carried out during the mission, which showed a surprisingly good agreement between the GPS velocity measurements on ground and the measurement from space. A strategy to exploit the along track interferometric (ATI) phase and the coherence together with the azimuth displacement of moving vehicles in focused SAR images has been developed and applied on sample test sides for traffic monitoring on highways.
Year
DOI
Venue
2003
10.1109/IGARSS.2003.1294053
IGARSS 2003: IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS I - VII, PROCEEDINGS: LEARNING FROM EARTH'S SHAPES AND SIZES
Keywords
DocType
Citations 
synthetic aperture radar,global positioning system,radar tracking,srtm,interferometry,coherence,space missions,data acquisition,digital elevation model,digital mapping,terrain,image processing,topographic maps,shuttle radar topography mission,data collection,highway engineering,space shuttles,photogrammetry
Conference
14
PageRank 
References 
Authors
3.44
4
5
Name
Order
Citations
PageRank
Helko Breit136875.29
M. Eineder216743.21
Jürgen Holzner36110.69
H. Runge430871.75
R. Bamler5510153.66