Results 21 to 30 of about 107,717 (203)
Laser Effect on a Pathologically Altered Capsule of the Lens of the Eye
Journal of Biomedical Photonics & Engineering, 2022 One of the current areas of application of lasers in ophthalmology is cataract surgery and reducing the number of negative reactions to surgical intervention.
Olga I. Baum +5 more
doaj +1 more source
SPECKLE INTERFEROMETRY AT SOAR IN 2015* [PDF]
The Astronomical Journal, 2016 ABSTRACT The results of speckle interferometric observations at the Southern Astrophysical Research Telescope in 2015 are provided, totaling 1303 measurements of 924 resolved binary and multiple stars, and non-resolutions of 260 targets. The separations range from 12 mas to 3.″37 (median 0.″17); the maximum measured magnitude difference ...
Andrei Tokovinin +4 more
openaire +3 more sources
Objective speckle velocimetry for autonomous vehicle odometry [PDF]
, 2012 Speckle velocimetry is investigated as a means of determining odometry data with potential for application on autonomous robotic vehicles. The technique described here relies on the integration of translation measurements made by normalized cross ...
Charrett, Thomas O. H. +3 more
core +1 more source
Speckle-interferometry and speckle-correlometry of GB-speckles
Frontiers in Bioscience, 2019 A new method of coding of genetic information using laser speckles has been developed. Specific technique of transforming the nucleotide of gene into a speckle pattern (gene-based speckles or GB-speckles) is suggested. Reference speckle patterns of omp1 gene of typical wild strains of Chlamydia trachomatis of genovars D, E, F, G, and J are generated ...
Onega V, Ulianova +7 more
openaire +2 more sources
Speckle Interferometry at SOAR in 2018 [PDF]
The Astronomical Journal, 2019 Abstract The results of speckle interferometric observations at the 4.1 m Southern Astrophysical Research Telescope (SOAR) in 2018 are given, totaling 3097 measurements of 2427 resolved pairs with separations from 11 mas to 5.″9 (median 0.″15, magnitude difference up to 7 mag) and nonresolutions of 624 targets.
Andrei Tokovinin +4 more
openaire +2 more sources
The use of laser dynamical speckle interferometry in the study of cellular processes
Journal of Biomedical Photonics & Engineering, 2016 A speckle interferometry setup is mounted, tested and approved that allows the analysis of intracellular processes with large optical magnification. For different part of the cell, the dependences of speckle image correlation coefficients upon time are ...
A. P. Vladimirov +4 more
doaj +1 more source
Angewandte Chemie, EarlyView.Multiphase DNA–RNA artificial cells integrate a protective DNA shell, a transcriptionally active DNA core, and a functional RNA organelle. Spatial compartmentalization enables signal generation, external protein expression, and selective recapture via RNA aptamers. ABSTRACT Naturally occurring biomolecular condensates orchestrate key cellular processes
Maria Vonk‐de Roy +4 more
wiley +2 more sources
Highlights of Astronomy, 1989 Speckle interferometry is a technique which utilizes the full diffraction-limited imaging potential of ground-based telescopes. Short exposure images, or specklegrams, with an exposure time less than that of the atmospheric correlation time (~5- 50 ms) preserve the high-spatial frequency information lost in long exposure imaging.
openaire +1 more source
Coherent shift estimation for stacks of SAR images [PDF]
, 2011 Speckle tracking is used with SAR images to estimate displacements, in ways that support or integrate interferometric measurements. This paper derives Fisher information expressions for the displacement estimation using coherent speckle tracking, for the
De Zan, Francesco, Francesco De Zan
core +1 more source
Electronic Speckle Pattern Interferometry (ESPI) NDE of cracks in pressure vessels with FEA modelling [PDF]
, 1997 Includes bibliographical references.This dissertation describes the results of an attempt to simulate the Electronic Speckle Pattern Interferometric fringe patterns observed around a crack or combination of cracks in a pressure vessel by finite element ...
Myles, John Robert
core +1 more source