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Control spiral wave

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 … WebSep 4, 2013 · In our homogeneous studies, we find that the rotation speed and stability of a spiral wave can be controlled either by controlling or . Our studies with fibroblast inhomogeneities show that a spiral wave can get anchored to a …

Spiral wave drift under optical feedback in cardiac tissue

WebAug 8, 2024 · Nature of Spiral Wave Instabilities. The eigenmode method can also be applied to the case of rotating action potential waves (spiral waves) in two spatial … WebOct 1, 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. freakshakes rezept https://slk-tour.com

Optogenetics enables real-time spatiotemporal …

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 … 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 … freaky friday مترجم egybest

Suppressing spiral waves in a lattice array of coupled neurons …

Category:Control of spiral waves in excitable media - ScienceDirect

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Control spiral wave

Spiral-wave turbulence and its control in the presence of ...

WebApr 14, 2024 · WWE legend Rey Mysterio has admitted his wife pushed him to overcome his past struggle with painkiller addiction. The 48-year-old Hall of Famer, who is riding an incredible wave after beating his ... 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 …

Control spiral wave

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WebMar 30, 2024 · Here, we present a control technique of terminating the pinned spiral wave, which can overcome the difficulties and limitations of the conventional periodic perturbation. This method uses the wave train … 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 ...

WebAbstract. Introduction: It has been reported that electrical stimulation can control spiral wave (SW) reentry. However, previous research does not account for the effects of stimulus … WebDec 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.

WebApr 10, 2024 · When the pitch of the inner spiral bulge micropores is 30, 50, and 70 μm, it took 0.16, 0.2, and 0.24 s to rise to the top orifice. Thus, the inner spiral bulge structure in micropores of the same size significantly accelerates the capillary rise of the lubricant, and a smaller pitch leads to a faster capillary rise. WebAug 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 ...

WebSep 27, 2024 · This so-called AAD control involves a feedback interaction between three fundamental dynamical properties of spiral waves: attraction, anchoring and unpinning. …

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 … freaky friday teljes film magyarulWebOct 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 … freaky friday teljes film magyarul videaWebJan 27, 2024 · To demonstrate the drift of spiral waves using sub-threshold illumination, we use a two-dimensional (2D) continuum model of the cardiac syncytium, … freaky freaky gyalWebFeb 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. freaky gyal part 3 lyricsWebMar 9, 2009 · The Control of Spiral-Wave Turbulence in the Presence of Inhomogeneities. In the last Section we have given a short overview of some control schemes that have been used to suppress spiral-wave … freaky teljes film magyarulWebWe created a spiral wave by using a thin laser beam to break a propagating circular wave (this creates two spirals) and mov ing one of the open ends to the boundary of the dish l9. freakz zigbeeWebNov 20, 2011 · The control of spiral wave breakup due to Doppler instability has been investigated. It is found that by applying the spatiotemporal modulation method with suitable control parameters,... freaky magazine