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Control spiral wave

WebMay 5, 2010 · Control of spiral-wave dynamics using feedback signals from line detectors. Guoyong Yuan 1,2, Aiguo Xu 3, Guangrui Wang 3 and Shigang Chen 3. Published 5 … WebApr 21, 2024 · Recently a novel methodology of optogenetics has emerged, which allows to affect excitability of cardiac cells and tissues by optical stimuli. In this paper we study if …

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WebMar 30, 2024 · Accordingly, multiple OAM waves with different spiral structures can be superimposed and separated without causing them to interfere with each other if we use a receiver that can receive each OAM wave with its corresponding spiral structure. OAM multiplexing transmission technology uses this feature to transmit multiple data streams … WebAbout this item . Hair curlers set: comes with 28 pieces hair curlers of wave style in 4 different colors, including pink, blue, yellow and green, and with 2 styling hooks essential for applying the hair curlers, each of hair curlers can be stretching to approx. 55 cm/ 22 inches, create formal or random, smooth wave curls for hair up to 22 inches (55 cm) in length china the factory of the world https://micavitadevinos.com

Drift and termination of spiral waves in optogenetically modified ...

WebDec 23, 2016 · The authors in refs 30 and 31 proposed a scheme of phase compression to suppress the spiral wave in excitable and oscillatory media, particularly, the control mechanism is confirmed as a class of ... WebApr 22, 2024 · Investigating spiral wave formation and propagation will pave a platform for understanding wave dynamics in network of neurons and can be a handy tool to control the fibrillations . The Literature shows few efficacious methods to control spiral waves such as adding random link to the regular network [ 7 ], one-channel feedback [ 8 ] but most of ... WebMay 16, 2005 · Properties of spiral wave dynamics under local feedback control We start with a spiral structure evolving under a given background light intensity of Ibg = 0.12 mW/cm 2. The tip of this unperturbed spiral wave moves rigidly on a circle with a … The propagation of spiral-shaped excitation waves is a prominent example of self … Spiral waves In this section we derive the solutions for a spiral wave steadily … To investigate spiral wave dynamics under light- induced modulation of excitability … We report observations of the tip motion of spiral waves in excitable Belousov … Image processing techniques are described in detail that are used to gain … china the forgotten ally

Feedback-mediated control of spiral waves - ScienceDirect

Category:Phys. Rev. E 105, 044210 (2024) - Control of spiral waves …

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Control spiral wave

Optogenetics enables real-time spatiotemporal …

WebOct 15, 2013 · The numerical simulation results show that the spiral wave and turbulence existing in the response system could be successfully eliminated by the target wave in the drive system during a short evolution time. Furthermore, it turns out that the transient time for the drive course is related to the control intensity imposed on the whole media. WebThe control of spiral wave dynamics has attracted much interest recently. Besides external forcing at a fixed frequency, feedback-controlled forcing has been studied. One of the …

Control spiral wave

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WebApr 1, 2010 · Control spiral wave dynamics using feedback signals from line detectors. We numerically study trajectories of spiral-wave-cores in excitable systems modulated … WebFeb 2, 2024 · The spiral waves formed in the layer-2 for {5<}\tau {<7}, but further increase in time delay makes them slowly diminish Full size image 2.1.2 Delay in the layer-2 interlayer coupling In the second phase, the interest is to consider the time delay just in layer-2.

WebDec 1, 2004 · Crucial for the control of spiral wave location is the resonant drift of spiral waves induced in response to a periodic change in the excitability of the whole medium … WebOct 10, 2002 · Turbulence control in the two-dimensional complex Ginzburg-Landau equation is investigated. An approach is proposed for the purpose of control. In the presence of a small spiral wave seed initiation, a fully developed turbulence can be completely annihilated by injecting a single periodic signal into a small fixed space area …

WebSep 27, 2024 · This so-called AAD control involves a feedback interaction between three fundamental dynamical properties of spiral waves: attraction, anchoring and unpinning. … WebJan 27, 2024 · The development of new approaches to control cardiac arrhythmias requires a deep understanding of spiral wave dynamics. Optogenetics offers new possibilities for this. Preliminary experiments show that sub-threshold illumination affects electrical wave propagation in the mouse heart.

WebControl of the chirality of spiral waves and recreation of spatial excitation patterns through optogenetics Control of the chirality of spiral waves and recreation of spatial excitation patterns through optogenetics . Authors Teng-Chao Li 1 , Wei Zhong 1 , Bao-Quan Ai 1 , Alexander V Panfilov 2 , Hans Dierckx 3 Affiliations

WebNov 12, 2024 · A rotating spiral wave represents a source of a self-sustained periodic activity in an excitable medium. This extraordinary activation can cause cardiac arrhythmias and even sudden death [ 15, 16 ]. One obvious way to prevent such undesirable activity is to clarify and analyse possible mechanisms of spiral wave initiation in excitable media. gram negative bacteria icd 10WebOct 5, 2024 · 3 Feedback-controlled dynamics of spiral waves A single spiral wave is created from the equation system ( 1) with \alpha =0.6, \beta =-1.4, \mu =1.0 and … china the great wallWebSep 27, 2024 · In the present study, we propose a new phenomenological concept to demonstrate real-time spatiotemporal control over spiral wave dynamics through discrete, systematic, manipulation of spiral wave … china the long gameWebAug 8, 2024 · Abstract. Spiral waves occur in various types of excitable media and their dynamics determine the spatial excitation patterns. An important type of spiral wave dynamics is drift, as it can control the position of a spiral wave or eliminate a spiral wave by forcing it to the boundary. In theoretical and experimental studies of the Belousov ... gram-negative bacteria classificationWebWe found that the control is sensitive to the area of illuminated region but independent of the phase difference of the existing spiral wave and the applied spiral-shaped … china the mao\\u0027s legacyWebDec 1, 2004 · Trajectory of the spiral wave tip computed from the Oregonator model (1). (a) The unperturbed trajectory (solid line) and the momentary location of the spiral wave (shaded regions). (b) Resonant drift induced by a periodic parametric forcing with period T = T ∞ = 3.6. Thick segments of the trajectory correspond to applied external impulses. china the great firewallWebMay 16, 2005 · Properties of spiral wave dynamics under local feedback control. We start with a spiral structure evolving under a given background light intensity of I bg = 0.12 mW/cm 2. The tip of this unperturbed spiral wave moves rigidly on a circle with a diameter of 0.39 mm. The rotation period is T 0 = 52 ± 2 s. china the lady wrestler