Abstract
An alternative biorthogonal decomposition technique called the window biorthogonal decomposition (WBD) technique is introduced to analyze the coherent structures in the tokamak plasma turbulence. It can spot the short-lived and localized coherent structures in spatiotemporal turbulence signal and extract them out of the incoherence background. As an example, the localized and short-lived coherent structures existing stochastically in the CT-6B tokamak radial direction are analyzed by WBD.
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