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What is Spectral Proper Orthogonal Decomposition Explained about?

The document discusses spectral proper orthogonal decomposition (SPOD) and its relationship with dynamic mode decomposition (DMD) and resolvent analysis, emphasizing the coherent evolution of SPOD modes in space and time for statistically stationary flows. It clarifies the distinctions between SPOD and space-only POD, showing that SPOD is better suited for identifying physically meaningful structures in turbulent flows. The paper also establishes connections between SPOD and DMD, as well as resolvent analys

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1186183401

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EN