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Optimal Extraction of Collective Oscillations from Unreliable Measurements

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Schwabedal,  Justus T. C.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Kantz,  Holger
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Schwabedal, J. T. C., & Kantz, H. (2016). Optimal Extraction of Collective Oscillations from Unreliable Measurements. Physical Review Letters, 116(10): 104101. doi:10.1103/PhysRevLett.116.104101.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-39A8-9
Abstract
We present a method that facilitates a phase description of collective, irregular-oscillatory dynamics from unreliable multichannel recordings. The collective oscillations may be represented in each channel with fluctuating amplitude, phase offsets, and substantial amounts of measurement noise. Our method performs well under such realistic conditions, as we exemplify with collective brain rhythms in multichannel electroencephalogram recordings.