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STUDY ON MOSAIC AND UNIFORM COLOR METHOD OF SATELLITE IMAGE FUSION IN LARGE SREA
Large area Multi-temporal Satellite image mosaic Automatic uniform color
2018/5/15
Due to the improvement of satellite radiometric resolution and the color difference for multi-temporal satellite remote sensing images and the large amount of satellite image data, how to complete the...
Discrete filter operators for large-eddy simulation using high-order spectral difference methods
high-order methods LES turbulence models discrete fi lters spectral difference channel fl ow
2015/7/3
The combination of a high-order unstructured spectral difference (SD) spatial discretization scheme with sub-grid scale (SGS) modeling for large-eddy simulation is investigated with particular focus o...
Large Eddy Simulation of Compressible Turbulent Channel Flow with Spectral Di®erence method
Large Eddy Simulation Compressible Turbulent Channel Flow Spectral Di® erence method
2015/7/2
This paper presents the development of a three-dimensional high-order solver with unstructured spectral di®erence method. The solver employs the formulations of Sun et al.22 It is implemented on ...
Carrier Differential GPS for Real-Time Control of Large Flexible Structures
Carrier Differential GPS Real-Time Contro Large Flexible Structures
2015/6/29
Current lab tests demonstrate vibration and orientation control of highly exible vehicles using only the GPS carrier to measure motion. A 30-foot long test structure has been constructed that is suspe...
Using GPS to Synthesize A Large Antenna Aperture When The Elements Are Mobile
Using GPS Large Antenna Aperture Elements Are Mobile
2015/6/29
This paper presents a design for a transmitting antenna array comprised of mobile antenna elements, where the Global Positioning System (GPS) is used to estimate the current location and velocity of t...
Formation and large-scale confinement of jets emitted by young stars finally elucidated（图）
young stars jets
2014/12/1
An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars—one of the most fascinating mysteries ...