Integrated GPS and SAR interferometry to measure time-varying surface deformation over a giant oilfield in California
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SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The on-orbit alignment of the antenna beams of both the X-band and C-band radar systems during operations of the shuttle radar topography mission/X-band synthetic aperture radar (SRTM/X-SAR)was a key requirement for achieving best interferometric performance.
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In this paper, we report on the use of a semi-empirical algorithm derived from a two layer radar backscatter model for forest canopies.
The pupose of this survey is the detection of surface and subsurface Unexploded Ordnance (UX0) and in a broader sense the site characterization for identification of contaminated as well as clear areas.
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The purpose of this survey is the detection of surface and subsurface Unexploded Ordnance (UXO) and in a broader sense the site characterization for identification of contaminated as well as clear areas.
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The tantalizing 3-month snapshots from Seasat's altimeter and scatterometer were analyzed and reanalyzed and used to justify follow-on missions that were finally implemented within the last ten years.
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