Sparsity-Promoting Dynamic Mode Decomposition of Plasma Turbulence
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- KUSABA Akira
- Computer Centre, Gakushuin University
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- KUBOYAMA Tetsuji
- Computer Centre, Gakushuin University
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- INAGAKI Shigeru
- Research Institute for Applied Mechanics, Kyushu University
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
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- Plasma and Fusion Research
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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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Details 詳細情報について
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- CRID
- 1390002184869120000
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- NII Article ID
- 130007789963
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- ISSN
- 18806821
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- Text Lang
- en
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed