Results 1 to 10 of about 31,801 (196)
Large sparse aperture telescope wavefront sensing and control via pretrained neural network with attention module. [PDF]
Sci RepThe ability to detect pistons with high accuracy over a wide range is paramount to the co-phasing of sparse aperture optical systems. This paper proposes a global piston error modulation method for sparse aperture mirrors based on convolutional neural ...
Li Y, Qin C, An Q, Xu Z.
europepmc +2 more sources
An Efficient Correction Algorithm for Eliminating Image Misalignment Effects on Co-Phasing Measurement Accuracy for Segmented Active Optics Systems. [PDF]
PLoS One, 2016 The misalignment between recorded in-focus and out-of-focus images using the Phase Diversity (PD) algorithm leads to a dramatic decline in wavefront detection accuracy and image recovery quality for segmented active optics systems.
Yue D, Xu S, Nie H, Wang Z.
europepmc +2 more sources
Real-world evaluation of gnomAD variant co-occurrence information for haplotype phasing in autosomal recessive disorders. [PDF]
Hum GenomicsBackground Haplotype phasing plays an essential role in the analysis of variants associated with autosomal recessive disorders, particularly in verifying compound heterozygosity.
Kim J, Kim GH, Min S, Seol CA, Seo EJ.
europepmc +2 more sources
Advanced prediction of combustion phasing in methane homogeneous engines via in-cylinder ion current profiling and a novel ionic kinetics framework. [PDF]
Sci RepThis study presents a reduced ionic chemical kinetics mechanism for predicting combustion phasing in methane-fueled homogeneous charge compression ignition (HCCI) engines.
Neshat E, Imami AM, Honnery D.
europepmc +2 more sources
Coarse Phasing Detection Using Multiwavelength Wavefront
Photonics, 2023 Presently, the segmented mirror is the mainstream development direction of large-aperture telescopes. The key problem affecting the performance of segmented mirror telescopes concerns the co-phase of the segments. The segments’ co-phase includes the fine
Rongjie Qin, Zihao Yin, Yinnian Liu
doaj +1 more source
Photonics, 2022 As the loading space in rockets and mirror fabrication technology is limited, optical systems in space cannot have large optical apertures. However, the successful launch and excellent performance of the James Webb Telescope indicate that segmented ...
Rongjie Qin +3 more
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Genetic polyploid phasing from low-depth progeny samples
iScience, 2022 Summary: An important challenge in genome assembly is haplotype phasing, that is, to reconstruct the different haplotype sequences of an individual genome.
Sven Schrinner +6 more
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Crystals, 2023 Both intensity and phase information are needed for structure determination by macromolecular X-ray crystallography. The diffraction experiment provides intensities. Phases must be accessed indirectly by molecular replacement, or by experimental phasing.
Coilín Boland +5 more
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Co-Phase Analysis of Atmospheric Wave Data [PDF]
Geophysical Journal of the Royal Astronomical Society, 2010 Summary Co-phase is a statistic designed for the detection and parameter estimation of signals by detector arrays. Ionospheric motions detected by an array of four phase-path sounders following a large earthquake are found by the co-phase technique to have a phase velocity equal to that of seismic Rayleigh waves of the same period, and to arrive from ...
Hernan A. Montes, Eric S. Posmentier
openaire +1 more source
Remote Sensing, 2022 A segmented primary mirror is very important for extra-large astronomical telescopes, in order to detect the phase error between segmented mirrors. Traditional iterative algorithms are hard to detect co−phasing aberrations in real time due to the long ...
Yirui Wang +4 more
doaj +1 more source