Results 71 to 80 of about 54,717 (279)

Isotropic-medium three-dimensional cloaks for acoustic and electromagnetic waves

, 2012
We propose a generalization of the two-dimensional eikonal-limit cloak derived from a conformal transformation to three dimensions. The proposed cloak is a spherical shell composed of only isotropic media; it operates in the transmission mode and ...
Blair D. E., Chew W. C., David R. Smith, Meinke H. H., Nathan Landy, Yaroslav Urzhumov   +5 more
core   +1 more source

Electroluminescence and Franz–Keldysh Modulation Observed in Sn/Ge Multi‐Quantum Wells

Advanced Optical Materials, EarlyView.
We investigate the optoelectronic properties of PIN diodes based on ultrathin α‐Sn/Ge multiple quantum film structures, fabricated by molecular beam epitaxy, both experimentally and theoretically. The samples exhibit a light emission spectrum in the short‐wavelength infrared range with two transitions. Furthermore, when operating as a photodetector, we
Michael Oehme, Damiano Marian, Maurice Wanitzek, Christian Spieth, Daniel Schwarz, Florian Bärwolf, Markus Andreas Schubert, Alwin Daus, Michele Virgilio, Giovanni Capellini   +9 more
wiley   +1 more source

Improving elevation perception with a tool for image-guided head-related transfer function selection [PDF]

, 2017
This paper proposes an image-guided HRTF selection procedure that exploits the relation between features of the pinna shape and HRTF notches. Using a 2D image of a subject's pinna, the procedure selects from a database the HRTF set that best fits the ...
Avanzini, Federico, Geronazzo, Michele, Peruch, Enrico, Prandoni, Fabio   +3 more
core  

Special transformations for pentamode acoustic cloaking

, 2012
The acoustic cloaking theory of Norris (2008) permits considerable freedom in choosing the transformation function f from physical to virtual space. The standard process for defining cloak materials is to first define f and then evaluate whether the ...
Cipolla, Jeffrey L., Gokhale, Nachiket H., Norris, Andrew N.   +2 more
core   +1 more source

Acoustics of Virtually Coupled Performance Spaces [PDF]

Proceedings of the 24th International Conference on Auditory Display - ICAD 2018, 2018
Many different musical applications, including remote sonification, sound installation, augmented reality, and distributed/telematic music performance, make use of high speed Internet connections between different performance spaces. Most of the technical literature on this subject focuses on system latency, but there are also significant contributions
Braxton Boren, Andrea Genovese
openaire   +1 more source

Information Transmission Strategies for Self‐Organized Robotic Aggregation

Advanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng, Zihan Li, Yifeng Shao, Jinhao Liu, Li Yu, Shuguang Li   +5 more
wiley   +1 more source

Filter-based first- and higher-order diffraction modeling for geometrical acoustics

Acta Acustica
Geometrical acoustics (GA) offers a high computational efficiency, as required for real-time renderings of complex acoustic environments with applications in, e.g., hearing research, architectural planning, and entertainment.
Kirsch Christoph, Ewert Stephan D.
doaj   +1 more source

Virtual acoustics displays [PDF]

The real time acoustic display capabilities are described which were developed for the Virtual Environment Workstation (VIEW) Project at NASA-Ames. The acoustic display is capable of generating localized acoustic cues in real time over headphones.
Fisher, Scott S., Foster, Scott H., Stone, Philip K., Wenzel, Elizabeth M.   +3 more
core   +1 more source

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

Advanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj, Quan‐Chen Song, Jia‐Yang Juang   +2 more
wiley   +1 more source

Taking advantage of geometric acoustics modeling using metadata [PDF]

Virtual reality has recently experienced resurgence in popularity, and thanks to the advances in processor technology over the last decade it has become feasible to use geometric acoustics as a method of simulating the acoustics of a virtual environment ...
Johnson, Dale, Lee, Hyunkook
core