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Control spiral wave

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 … 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 ...

Control of the chirality of spiral waves and recreation of spatial ...

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 … WebWe 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 … stranger things 4 dio https://roschi.net

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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. WebWe 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. 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. rotundifolia green

Feedback-controlled forcing of meandering spiral waves in an

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

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Control spiral wave

Control of spiral waves in excitable media - ScienceDirect

WebMay 1, 2024 · Considering undeniable mutual effects of electromagnetic flux and delayed asymmetric coupling in this paper we propose a delayed asymmetric synapse coupling and magnetic induction control strategy for suppressing spiral waves in a Hyperbolic magnetic flux coupled 3D HR model. WebWe also study two types of control schemes that have been suggested for the control of spiral turbulence, via low amplitude current pulses, in such mathematical models for …

Control spiral wave

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WebMar 31, 2024 · The introduction of artificial orbital angular momentum (OAM) has opened up new ways to control classic waves, which attract a rapidly growing interest in recent years toward establishing a spiral ... 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 …

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 … 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 ...

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. WebOct 1, 2008 · It is confirmed that the spiral wave could be suppressed by the new appeared target wave within 300 time units under the periodical boundary conditions, and it proved …

WebJan 25, 2024 · We show how this methodology can be used to control and create the desired spatial excitation pattern. We found that the control is sensitive to the area of …

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 stranger things 4 dublado hdWebDec 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 … stranger things 4 downloadWebOct 15, 2013 · Drive Control of Spiral Wave and Turbulence by a Target Wave in CGLE - IOPscience This site uses cookies. By continuing to use this site you agree to our use of … rotund otopop ffxivWebAbout 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 rotundity meaningWebApr 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 ... rotundin thuocWebJan 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. rotundo meaningWebMay 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. stranger things 4 emoji