Results 211 to 220 of about 6,044 (262)

Femto-joule threshold reconfigurable all-optical nonlinear activators for picosecond pulsed optical neural networks. [PDF]

Light Sci Appl
Liu R, Wang Z, Zhong C, Chen Y, Sun B, Jian J, Ma H, Gao D, Yang J, Li L, Liu K, Hu X, Lin H.   +12 more
europepmc   +1 more source

Reconfigurable magneto-optical diffractive neural network with enhanced optical phase modulation. [PDF]

Sci Rep
Sakaguchi H, Watanabe K, Ikeda J, Sumi S, Awano H, Chafi FZ, Ishibashi T.   +6 more
europepmc   +1 more source

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Mechanical Reconfiguration of Stereoisomers

Journal of the American Chemical Society, 2010
Poly(methyl acrylate) of varying molecular weight was grown from the enantiopure ditopic initiator (R)- or (S)-1,1'-binaphthyl-2,2'-bis-(2-bromoisobutyrate). Subjecting CH(3)CN solutions of high-molecular-weight derivatives (M(N) > 25 kDa) to sonication at 0 degrees C resulted in >95% racemization after 24 h, as determined by circular dichroism; no ...
Kelly M, Wiggins, Todd W, Hudnall, Qilong, Shen, Matthew J, Kryger, Jeffrey S, Moore, Christopher W, Bielawski   +5 more
openaire   +2 more sources

A scalable reconfiguration mechanism for fast dynamic reconfiguration

2008 International Conference on Field-Programmable Technology, 2008
Hardware reconfiguration during run-time provides attractive features like fast adaptivity, high hardware utilisation, and low area consumption due to efficient reuse of hardware components. In this paper, a novel multi-layered reconfiguration mechanism is proposed that allows frequent dynamic reconfiguration at very low latencies.
Heiko Hinkelmann, Peter Zipf, Manfred Glesner   +2 more
openaire   +1 more source

To Reconfigure or Not to Reconfigure: Cognitive Mechanisms for Mobile Devices Decision Making

2008 IEEE 68th Vehicular Technology Conference, 2008
The vast proliferation in the continuously changing telecommunications environment of Next-Generation-Networks (NGNs) poses strict requirements for the dynamic adaptation of mobile devices according to the user needs, system resources and Radio Access Technology (RAT) availability.
Merentitis A., Patouni E., Alonistioti N., Doubrava M.   +3 more
openaire   +1 more source

Securing reconfigurable terminals - mechanisms and protocols

The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2003
Software reconfigurability of air interfaces, the actual reconfiguration processes and the procurement of reconfiguration software are posing substantial threats to the system integrity of wireless communication system. These threats are investigated and reported, and mechanisms to ensure secure reconfiguration procedures are described.
Stoytcho Gultchev, Christopher Mitchell, Klaus Moessner, Rahim Tafazolli   +3 more
openaire   +10 more sources

Mechanical actuation of reconfigurable optical fibres

2014 16th International Conference on Transparent Optical Networks (ICTON), 2014
We have recently demonstrated a novel type of microstructured nanomechanical optical fibres with optical properties that can be continuously tuned by mechanical actuation, similar to chip-based MEMS optical couplers. We review different options for actuation, such as gas pressure, temperature, and electrostatic forces, and discuss progress in the ...
Peter Horák, Nina Podoliak, Zhenggang Lian, Martha Segura, Xian Feng, Wei H. Loh   +5 more
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Mechanical design of a module for reconfigurable robots

Proceedings. 2000 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2000) (Cat. No.00CH37113), 2002
The goal of the Conro project is to build deployable self-reconfigurable robots, i.e., small homogeneous modular robots that can be reconfigured into different shapes such as snakes or hexapods. In this paper we describe the mechanical design of the first generation of Conro modules: the philosophy of their design, their parts and functionality and ...
Andres Castano, Peter M. Will
openaire   +1 more source

Classification of Reconfigurable Parallel Mechanisms

Russian Engineering Research, 2020
The theoretically possible reconfigurable parallel mechanisms are classified, in terms of the layout of guides on the base. Formulas are derived for the characteristic parameters of each type. On that basis, individual calculation templates are developed for formalized design of reconfigurable parallel mechanisms.
E. B. Shchelkunov, S. V. Vinogradov, M. E. Shchelkunova, A. I. Pronin, D. A. Buravitsyn   +4 more
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Mechanisms of Reconfigurable Antenna: A Review

2020 10th International Conference on Cloud Computing, Data Science & Engineering (Confluence), 2020
In today’s evolutionary world of wireless technology, reconfigurable antenna plays a very important role. Wireless technologies such as mobile communication, military, cognitive radio, radar, satellite communication are needed to be dynamic in their functions to improve the performance in changing scenario.
Sonal Dubal, Anjali Chaudhari
openaire   +1 more source