Sparsity-Promoting Dynamic Mode Decomposition of Plasma Turbulence

DOI Web Site 2 Citations 8 References Open Access

Description

<p>A data-driven approach called sparsity-promoting dynamic mode decomposition (SP-DMD) is applied to the plasma turbulence signals obtained with an azimuthal probe array. The spatiotemporal turbulence can be reasonably decomposed into seven modes which capture the azimuthal bunching of the turbulence. A superiority of the DMD analysis to the conventional stationary analysis is demonstrated.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 15 (0), 1301001-1301001, 2020-01-06

    The Japan Society of Plasma Science and Nuclear Fusion Research

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