Spectral frequency analysis of nonlinear water waves based on the Hilbert-Huang transformation

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  • T. Schlurmann

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Original languageGerman
Pages411-418
Number of pages8
Publication statusPublished - 2001

Abstract

The Hilbert-Huang transformation (HHT) [1, 2] is a new method for analyzing nonlinear and non-stationary data series. The central idea behind the HHT is the so-called Empirical Mode Decomposition (EMD) that numerically decomposes a time-dependent signal into its own underlying characteristic modes. Applying the Hubert transformation (HT) to each of these disintegrated Intrinsic Mode Function (IMF) subsequently provides the Hubert amplitude or energy spectrum - producing more accurate spectra and proposing in all probability entirely new physical insights of nonlinear and non-stationary processes. The present paper describes the application of the HHT concerning the spectral frequency analysis of nonlinear transient water waves.

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Spectral frequency analysis of nonlinear water waves based on the Hilbert-Huang transformation. / Schlurmann, T.
2001. 411-418.

Research output: Contribution to conference › Paper › Research › peer review

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KW - Data reduction

KW - Fourier transforms

KW - Frequency domain analysis

KW - Linear systems

KW - Nonlinear equations

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