Results 51 to 60 of about 5,346,507 (336)

Research on Fractional Spaced Equalizer for Short Wave Burst Communication [PDF]

open access: yesJisuanji gongcheng, 2016
The short wave channel has characteristics of multipath,fading and time variant.In the equilibrium process,the convergence rate of Liner Equalizer(LE) is slow,the convergence precision is low,and the Fractional Spaced Equalizer(FSE) has better balance ...
YUAN Peng,FU Jielin
doaj   +1 more source

High-speed square-wave current limiter operates efficiently [PDF]

open access: yes, 1965
Transistorized high speed circuit limits currents from a square-wave ac power supply.

core   +1 more source

Asymptotics of the solutions of the stochastic lattice wave equation

open access: yes, 2012
We consider the long time limit theorems for the solutions of a discrete wave equation with a weak stochastic forcing. The multiplicative noise conserves the energy and the momentum.
A. Jakubowski   +15 more
core   +2 more sources

Neuroinflammation in GAD65 Antibody‐Associated Epilepsy Measured Using [18F]DPA‐714 PET/MRI

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT The timing for initiating immunotherapy in patients with glutamic acid decarboxylase 65 (GAD65) antibody‐associated epilepsy is a challenge. We used the translocator protein radioligand [18F]DPA‐714 and PET to evaluate brain microglial activation.
Jingjing Chen   +10 more
wiley   +1 more source

Short Communication: Polyaniline Nanofiber Modified Platinum Electrode Used to Determination of Dopamine by Square Wave Voltammetry Technique

open access: yesInternational Journal of Electrochemical Science, 2015
A polyaniline nanofibers modified platinum electrode (PANI-NF/Pt) is fabricated for detection of Dopamine (DA) by square wave voltammetry technique.
H.N. Yu, Y.C. Pang, J.Y. Tang
doaj   +1 more source

Three-Dimensional Simulations of Offshore Oil Platform in Square and Diamond Arrangements

open access: yesAdvances in Mathematical Physics, 2021
The interaction of the solitary wave with an oil platform composed of four vertical circular cylinders is investigated for two attack angle of the solitary wave β=0° (square arrangement) and β=45° (diamond arrangement).
Saliha Nouri   +5 more
doaj   +1 more source

Upper and lower bounds on the mean square radius and criteria for occurrence of quantum halo states [PDF]

open access: yes, 2004
In the context of non-relativistic quantum mechanics, we obtain several upper and lower limits on the mean square radius applicable to systems composed by two-body bound by a central potential.
A. Bohr   +11 more
core   +2 more sources

A Prospective Study of Individuals at Risk of Multiple Sclerosis Informs the Design of Primary Prevention Studies

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective In multiple sclerosis, the optimal time for deploying a therapeutic intervention is before the central nervous system is damaged; given the success of trials treating the earliest stage of MS, the radiologically isolated syndrome, developing primary prevention strategies is an important next challenge.
Amy W. Laitinen   +7 more
wiley   +1 more source

Quantitative determination of glycyrrhizinic acid by square-wave [PDF]

open access: yesMakedonsko Farmacevtski Bilten, 2003
Novel adsorptive stripping square-wave voltammetric method as well as a new high-pressure liquid chromatographic method for direct determination of glycyrrhizinic acid in dosage pharmaceutical preparation, used against virus infections, have been ...
Aneta Dimitrovska   +2 more
doaj  

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar   +6 more
wiley   +1 more source

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