Results 241 to 250 of about 571,215 (288)

An Angle Estimation Approach for Coherent FDA Radar Based on Transmit-Receive Sum and Difference Beamforming. [PDF]

Sensors (Basel)
Zhang J, Xu J, Liao G.
europepmc   +1 more source

Single-shot hyperspectral wavefront imaging. [PDF]

Nat Commun
Blochet B, Lebas N, Berto P, Papadopoulos D, Guillon M.   +4 more
europepmc   +1 more source

High-angular-resolution studies of symbiotic novae

Contributions of the Astronomical Observatory Skalnaté Pleso
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Internal reflection sensors with high angular resolution

Applied Optics, 1996
We discuss the use of total internal reflection for the production of sensors with high angular resolution. These sensors are intended for measurement of the angle between a sensor's axis and the direction to a source of radiation or reflecting object.
I, Shavirin, O, Strelkov, A, Vetskous, L, Norton-Wayne, R, Harwood   +4 more
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Binary Cepheids From High-Angular Resolution

EAS Publications Series, 2015
Optical interferometry is the only technique giving access to milli-arcsecond (mas) spatial resolution. This is a powerful and unique tool to detect the close orbiting companions of Cepheids, and offers an unique opportunity to make progress in resolving the Cepheid mass discrepancy.
A. Gallenne, A. Mérand, P. Kervella
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High Angular Resolution Diffusion Imaging

2016
The development of diffusion tensor imaging (DTI) over two decades ago was a pivotal moment in the field of diffusion Magnetic Resonance Imaging (MRI), offering for the first time a glimpse into the connectivity of brain white matter in a completely noninvasive manner.
Shawna Farquharson, Jacques-Donald Tournier   +1 more
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High Angular Resolution Stellar Interferometry

Publications of the Astronomical Society of Australia, 1976
The history and achievements of interferometric angular diameter measurements have been reviewed recently by Hanbury Brown (1974) and only a brief outline will be given here. As the title is intended to imply, the present discussion will be limited to interferometry involving baselines in excess of telescope aperture diameters.
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High angular resolution diffusion image registration

2013 8th Iranian Conference on Machine Vision and Image Processing (MVIP), 2013
Diffusion Tensor Imaging (DTI) is a common method for the investigation of brain white matter. In this method, it is assumed that diffusion of water molecules is Gaussian and so, it fails in fiber crossings where this assumption does not hold. High Angular Resolution Diffusion Imaging (HARDI) allows more accurate investigation of microstructures of the
Maryam Afzali, Emad Fatemizadeh, Hamid Soltanian-Zadeh   +2 more
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High Angular-Resolution Techniques

2009
This chapter examines the synthesis and performance of one-dimensional (1D) and two-dimensional (2D) phased arrays and their application in sonar and radar before considering the elegant algorithms for Doppler beam sharpening and synthetic aperture radar (SAR) that can be used to produce a 'beam' with no divergence at all.
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