Results 151 to 160 of about 44,871 (195)

Vision Gaze-Driven Micro-Electro-Mechanical Systems Light Detection and Ranging Optimization. [PDF]

Research (Wash D C)
Wei S, Gao B, Wang J, You Z.
europepmc   +1 more source

Sensing Spin Precession with Free Electrons. [PDF]

ACS Nano
Jaroš A, Seifner MS, Toyfl J, Czasch B, Beltrán-Romero S, Bicket IC, Haslinger P.   +6 more
europepmc   +1 more source

Optical Design of a Large-Angle Spectral Confocal Sensor for Liquid Surface Tension Measurement. [PDF]

Sensors (Basel)
Wu L, Yang T, Wang F, Wang Q, Xi F, Lv J.   +5 more
europepmc   +1 more source

Attitude Tracking Algorithm Using GNSS Measurements from Short Baselines. [PDF]

Sensors (Basel)
Kapralov F, Kozlov A.
europepmc   +1 more source

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Wavefront Characterization for High Angular Resolution Techniques

1997
We present the theoretical 2-D angle of arrival covariance and temporal cross-spectrum, for the wavefront characterization with the Grating Scale Monitor.
R. Avila, A. Ziad, J. Borgnino, F. Martin, A. Agabi, A. Tokovinin   +5 more
openaire   +1 more source

Ultra-high angular resolution measurements in X-ray astronomy by means of occultation techniques

Acta Astronautica, 1987
Abstract Occultations can provide information concerning angular structure of celestial X-ray sources. For angular scales near or exceeding one arcsec they offer no advantage over other available methods such as focusing optics and coded masks, yet fundamental difficulties preclude using either of those methods to reach milli-arcsec resolution.
K.S. Wood, J.V. Breakwell
openaire   +1 more source

Optimization of the observations of the high angular resolution techniques (adaptive optics and interferometry)

SPIE Proceedings, 2004
Atmospheric turbulence reduces severely the angular resolution of ground based telescopes and degrades the performances of High Angular Resolution techniques (Interferometry and Adaptive Optics). These observing methods require a better understanding of the behavior of the perturbed wavefronts, more exactly a better knowledge of the atmospheric ...
Jerome Maire, Aziz Ziad, Julien Borgnino, Francois Martin, Denis Mourard   +4 more
openaire   +1 more source