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Virtual Demonstrator for Spatial Presentations

2021 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2021
To overcome the challenges of instructing on spatial concepts remotely, we propose Virtual Demonstrator, a virtual reality (VR) presentation software for educators. Virtual Demonstrator provides a suite of tools for creating spatial presentations in VR, analogous to 2D slide-based presentation software. Within our software, Visual Elements are combined
Maxwell Omdal   +3 more
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Choice of Mandarin Spatial Demonstratives in Distant Interaction

Journal of Psycholinguistic Research, 2023
Scholars are divided on whether the Speaker's (S') choice of spatial demonstratives in verbal interaction is ego-centric or not. We studied the choice of "zhe (here)/ na (there)" by a Mandarin S instructing Hearer (H) from a few to dozens of meters. Using within-group and between-group experiments in a picture-description paradigm, we found that both S-
Ming Yue, Boyang Sun
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Simple demonstrations for introducing spatial coherence

American Journal of Physics, 1996
When two quasiparallel identical beams, originating from the same laser, are superposed, the crossing volume becomes the seat of a system of interference fringes. The spatial coherence of the radiation filling this region may be evaluated by observing the interference pattern generated on a far screen.
Lorenzo Basano   +2 more
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Learning from Demonstration in Spatial Exploration

Proceedings of the AAAI Conference on Artificial Intelligence, 2011
We present the initial stage of our research on Learning from Demonstration algorithms. We have implemented an algorithm based on Confident Execution, one of the components of the Confidence-Based Autonomy algorithm developed by Chernova and Veloso.
J. Munoz, Arif Ozgelen, Elizabeth Sklar
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A person-rooted spatial analysis of demonstratives

2021
I propose a uniform person-based analysis for demonstrative systems that captures cross-linguistic variation.
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Demonstration of spatially inhomogeneous vector beams with elliptical symmetry

Optics Letters, 2009
We experimentally demonstrate vector beams having an elliptical symmetry of polarization, breaking the cylindrical symmetry of vector beams (e.g., radially polarized beams). Applications of such beams vary from material processing, lithography, and optical memories to excitation of elliptically shaped nanoparticles and plasmonic structures.
Gilad M, Lerman   +2 more
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Spatial Demonstratives in English and Chinese

2004
As a subject of universal appeal, spatial demonstratives have been studied extensively from a variety of disciplines. What marks the present study as distinct is that it is an English-Chinese comparative study set in a cognitive-linguistic framework and that the methodology features a parallel corpora-based, discourse analysis approach.
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Demonstrating the Spatial Resolution of Field Gradient NMR

Journal of Magnetic Resonance, 1998
In recent years, field gradient NMR has become a method of increasing importance in measuring very small dislocations of molecules. Rough estimations indicate that, by utilizing large field gradients, one should be able to detect motions down to the 10-nm scale. However, this limit has not yet been experimentally detected.
, Feiweier, , Geil, , Isfort, , Fujara
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