Results 81 to 90 of about 33,517,134 (252)

AlN/GaN-Based MOS-HEMT Technology: Processing and Device Results

open access: yesActive and Passive Electronic Components, 2011
Process development of AlN/GaN MOS-HEMTs is presented, along with issues and problems concerning the fabrication processes. The developed technology uses thermally grown Al2O3 as a gate dielectric and surface passivation for devices.
S. Taking, D. MacFarlane, E. Wasige
doaj   +1 more source

Signal to Noise Ratio (SNR) Enhancement Comparison of Impulse-, Coding- and Novel Linear-Frequency-Chirp-Based Optical Time Domain Reflectometry (OTDR) for Passive Optical Network (PON) Monitoring Based on Unique Combinations of Wavelength Selective Mirrors

open access: yesPhotonics, 2014
We compare optical time domain reflectometry (OTDR) techniques based on conventional single impulse, coding and linear frequency chirps concerning their signal to noise ratio (SNR) enhancements by measurements in a passive optical network (PON) with a ...
Christopher M. Bentz   +2 more
doaj   +1 more source

NPN 9 GHz wideband transistor [PDF]

open access: yes
excellent ...
High Transition Frequency   +2 more
core  

Parametric Nanomechanical Amplification at Very High Frequency [PDF]

open access: yes, 2009
Parametric resonance and amplification are important in both fundamental physics and technological applications. Here we report very high frequency (VHF) parametric resonators and mechanical-domain amplifiers based on nanoelectromechanical systems (NEMS).
Feng, X. L.   +2 more
core   +1 more source

Spectral variability in faint high frequency peakers [PDF]

open access: yes, 2010
We present the analysis of simultaneous multi-frequency Very Large Array (VLA) observations of 57 out of 61 sources from the ``faint'' high frequency peaker (HFP) sample carried out in various epochs.
Abazajian   +33 more
core   +1 more source

Stock Market Prediction on High-Frequency Data Using Generative Adversarial Nets

open access: yes, 2018
Stock price prediction is an important issue in the financial world, as it contributes to the development of effective strategies for stock exchange transactions.
Xingyu Zhou   +4 more
semanticscholar   +1 more source

High-frequency stimulation of anterior nucleus of thalamus desynchronizes epileptic network in humans

open access: yesBrain : a journal of neurology, 2018
Epilepsy has been classically seen as a brain disorder resulting from abnormally enhanced neuronal excitability and synchronization. Although it has been described since antiquity, there are still significant challenges achieving the therapeutic goal of ...
Tao Yu   +11 more
semanticscholar   +1 more source

High Frequency Trading and Mini Flash Crashes [PDF]

open access: yes, 2012
We analyse all Mini Flash Crashes (or Flash Equity Failures) in the US equity markets in the four most volatile months during 2006-2011. In contrast to previous studies, we find that Mini Flash Crashes are the result of regulation framework and market ...
Golub, Anton   +2 more
core   +2 more sources

Risk and Return in High-Frequency Trading

open access: yesJournal of Financial and Quantitative Analysis, 2018
We study performance and competition among firms engaging in high-frequency trading (HFT). We construct measures of latency and find that differences in relative latency account for large differences in HFT firms’ trading performance.
Matthew Baron   +3 more
semanticscholar   +1 more source

High Frequency Dynamics of Amorphous Silica

open access: yes, 1999
We present the results of extensive molecular dynamics computer simulations in which the high frequency dynamics of silica, nu>0.5 THz, is investigated in the viscous liquid state as well as in the glass state.
Binder, Kurt   +2 more
core   +1 more source

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