Results 211 to 220 of about 17,717 (247)

TNEA Regulates Hippocampal Oscillation by Improving Inhibitory Synaptic Plasticity to Ameliorates Cognitive Impairment in Alzheimer's Disease. [PDF]

Adv Sci (Weinh)
Guo Z, Ni H, Lu Y, Cui Z, Wang Y, Zhu Z, Wei X, Xia C, Xu M, Du L, Yang Y, Shu S, Wang K, Wang Z, Shan C, Wang D.   +15 more
europepmc   +1 more source

Neuronal oscillations and functional connectivity of paced nostril breathing: A high-density EEG study. [PDF]

PLoS One
Frohlich AB, Frohlich F, Sklerov M.
europepmc   +1 more source

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Suppressing Homoclinic Chaos for Vibro-Impact Oscillators

International Journal of Bifurcation and Chaos, 2022
In this paper, theoretical framework and numerical verification for suppressing homoclinic chaos of a class of vibro-impact oscillators are discussed by adding parametric excitations in the form of [Formula: see text] as the control item. The analytical Melnikov method for planar vibro-impact systems is employed to obtain the corresponding thresholds ...
Shuangbao Li, Jinzhuo Chen, Liying Kou
openaire   +2 more sources

Oscillation suppression in indirectly coupled limit cycle oscillators

Physical Review E, 2015
We study the phenomena of oscillation quenching in a system of limit cycle oscillators which are coupled indirectly via a dynamic environment. The dynamics of the environment is assumed to decay exponentially with some decay parameter. We show that for appropriate coupling strength, the decay parameter of the environment plays a crucial role in the ...
Neeraj Kumar, Kamal, Pooja Rani, Sharma, Manish Dev, Shrimali   +2 more
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SUPPRESSING CHAOS FOR SOME NONLINEAR OSCILLATORS

International Journal of Bifurcation and Chaos, 2004
In this paper, a criteria of suppressing chaos for a kind of nonlinear oscillators is established by the theory of the strange attractor. The oscillators considered include Duffing, van der Pol, Duffing–van der Pol and pendulum. According to this criteria, we analyze the phase effect using two methods, one by adding the second external force term and ...
Leung, Andrew Y. T., Liu, Zengrong
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Suppression of chaotic oscillations in klystron active oscillator

2008 IEEE International Vacuum Electronics Conference, 2008
This work presents results of an experimental investigation of the effect of suppressing chaotic oscillations in a five-resonance klystron active oscillator with delayed feedback by external harmonic signal and applying of this effect to generating a periodic sequence of chaotic radio pulses.
Boris S. Dmitriev, Yury D. Zharkov, Valentin N. Skorokhodov   +2 more
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Active Suppression of Torsional Oscillations

IFAC Proceedings Volumes, 2004
Abstract A problem with electrically driven vehicles is resonances in the drive train caused by elasticity and gear play. Disadvantageous effects caused by this are noticeable vibrations and high mechanical stresses due to torque oscillations. The oscillations can be damped using a control structure consisting of a nonlinear observer to estimate the ...
Joachim Böcker, Notker Amann, Bernd Schulz   +2 more
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Relaxation oscillation suppression in intra-cavity optical parametric oscillators

Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, 2009
We describe a passive technique for the suppression of the relaxation oscillations exhibited by optical parametric oscillators pumped internal to laser cavities where gain media with long upper state lifetimes, such as Nd:YAG/YLF/YVO 4 , are involved.
David J. M. Stothard, Malcolm H. Dunn
openaire   +1 more source