Results 51 to 60 of about 677,354 (302)
Uncertainty Quantification and Simulation of Wind-Tunnel-Informed Stochastic Wind Loads
Wind, 2023 The simulation of stochastic wind loads is necessary for many applications in wind engineering. The proper-orthogonal-decomposition-(POD)-based spectral representation method is a popular approach used for this purpose, due to its computational ...
Thays G. A. Duarte +3 more
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Nondestructive Testing of Welded Composite Metal Foams
Advanced Engineering Materials, EarlyView.X‐ray computed tomography (CT) is used to evaluate welded steel–steel composite metal foam (CMF) joints of two density classes. It reports variation in postweld spatial void distribution and correlates it to weld‐induced changes, mechanical performance, and failure within welded CMF panels.
Chinmaya Prerana Inguva +2 more
wiley +1 more source
Design Considerations for Autocalibrations of Wide-Band ΔΣ Fractional-N PLL Synthesizers
Journal of Electrical and Computer Engineering, 2011 Autocalibration of VCO frequency and loop gain is an essential process in PLL frequency synthesizers. In a wide tuning-range fractional-N PLL frequency synthesizer, high-speed and high-precision automatic calibration is especially important for ...
Jaewook Shin, Hyunchol Shin
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Linear auto-calibration for ground plane motion
2003 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2003. Proceedings., 2003 Planar scenes would appear to be ideally suited for self-calibration because, by eliminating the problems of occlusion and parallax, high accuracy two-view relationships can be calculated without restricting motion to pure rotation. Unfortunately, the only monocular solutions so far devised involve costly nonlinear minimizations, which must be ...
Knight, J, Zisserman, A, Reid, I
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Advanced Functional Materials, EarlyView.Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein +4 more
wiley +1 more source
TerraSAR-X Calibration - First Results
, 2007 As TerraSAR-X, due for launch in February 2007, will be an operational scientific mission with commercial potential, product quality is of paramount importance.
Markus Bachmann +7 more
core +1 more source
Results in Physics, 2017 Radiochromic films are convenient dosimeters for quality assurance of biological X-ray irradiators. However, their calibration curves (optical density vs. radiation dose) can have relatively short lifespans due to non-catalytic auto-development.
P.M. Chan +4 more
doaj +1 more source
Near‐Infrared Light‐Driven Zn/Au Janus Micromotors for Multiplex SERS Detection of Anticancer Drugs
Advanced Functional Materials, EarlyView.Zn/Au Janus micromotors, propelled by thermophoretic effects under NIR light, function as active SERS platforms for single and multiplex detection of anticancer drugs. Their dynamic motion enhances analyte exchange at the Au interface, reducing saturation and competitive adsorption, thereby improving sensitivity and extending the linear detection range.
Tijana Maric +8 more
wiley +1 more source
Gyroscope-based video stabilisation with auto-calibration
2015 IEEE International Conference on Robotics and Automation (ICRA), 2015 We propose a technique for joint calibration of a wide-angle rolling shutter camera (e.g. a GoPro) and an externally mounted gyroscope. The calibrated parameters are time scaling and offset, relative pose between gyroscope and camera, and gyroscope bias.
Hannes Ovren, Per-Erik Forssén
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Flexible calibration: minimal cases for auto-calibration [PDF]
Proceedings of the Seventh IEEE International Conference on Computer Vision, 1999 This paper deals with the concept of auto-calibration, i.e. methods to calibrate a camera on-line. In particular we deal with minimal conditions on the intrinsic parameters needed to make a Euclidean reconstruction, called flexible calibration. The main theoretical results are that it is only needed to know that one intrinsic parameter is constant. The
Anders Heyden, Kalle Åström
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