Results 141 to 150 of about 27,042 (199)

The GMT active optics control strategies

SPIE Proceedings, 2016
The Giant Magellan Telescope (GMT) has a Gregorian 25.4-meter diameter primary mirror composed of seven 8.4-meter diameter segments. The secondary mirror consists of seven 1.1-meter diameter segments. In the active and adaptive operation modes of the GMT, around a dozen wavefront sensors are selectively used to monitor the optical aberrations across ...
R. Conan, A. Bouchez, F. Quiros-Pacheco, B. McLeod, D. Ashby   +4 more
openaire   +2 more sources

GMT overview

Proceedings of SPIE, 2010
Stephen Shectman, Matt Johns
exaly   +2 more sources

Experimental and FE analyses of the crushing and bending behaviors of GMT and hybrid-formed Al-GMT structures

Thin-Walled Structures, 2023
Xiangfan Fang, Saarvesh Jayakumar
exaly   +2 more sources

Overview and status of the GMT wavefront control system

Astronomical Telescopes + Instrumentation, 2022
The Giant Magellan Telescope (GMT) wavefront control system provides active optics control and optical turbulence correction for every instrument on the 25.4 m diameter GMT.
A. Bouchez, R. Conan, R. Demers, B. McLeod, F. Quirós-Pacheco, R. Romano, P. Schurter, B. Sitarski, M. V. van Dam, Bo Xin   +9 more
semanticscholar   +1 more source

Energy absorbing capability of GMT, GMTex and GMT-UD composite panels for static and dynamic loading – Experimental and numerical study

Composite Structures, 2016
Giovanni Belingardi
exaly   +2 more sources

Design concept for Pocket-GMT

Advances in Optical Astronomical Instrumentation 2019, 2020
Antonin H Bouchez, Luke Gers, Tony Travouillon   +2 more
exaly   +2 more sources

GMT adaptive secondary design

SPIE Proceedings, 2010
The GMT adaptive secondary mirror (ASM) is based on a "segmented" concept following the primary segment layout: seven 1.05m diameter circular, independent adaptive mirrors are fed by the primaries and focus to the main telescope focal stations.
R. Biasi, D. Veronese, M. Andrighettoni, G. Angerer, D. Gallieni, M. Mantegazza, M. Tintori, P. Lazzarini, MANETTI, MAURO, M. W. Johns, P. M. Hinz, J. Kern   +11 more
openaire   +2 more sources

GMT: General Motion Tracking for Humanoid Whole-Body Control

arXiv.org
The ability to track general whole-body motions in the real world is a useful way to build general-purpose humanoid robots. However, achieving this can be challenging due to the temporal and kinematic diversity of the motions, the policy's capability ...
Zixuan Chen, Mazeyu Ji, Xuxin Cheng, Xuanbin Peng, Xue Bin Peng, Xiaolong Wang   +5 more
semanticscholar   +1 more source

On the solution of periodical structures with the GMT

International Symposium on Antennas and Propagation Society, Merging Technologies for the 90's, 1990
The state of the art of the MMP (multiple multipole) codes is examined, and different possible combinations with other methods are described. The basic principles of the MMP codes and of the combination with the Floquet theory are considered, and an overview of the analytical basis path of resolution is given.
J.M. Li, S.J. Kiener
openaire   +1 more source

Progress on the GMT

SPIE Proceedings, 2008
The Giant Magellan Telescope (GMT) is being developed by a consortium of major US and international educational and research institutions. The 25 meter next-generation telescope will be located at Las Campanas Observatory in Chile. The project has completed the conceptual design of the telescope and enclosure and is currently in the Design ...
openaire   +1 more source