Some Insight in Autoregressive (AR) Spectral Modeling

by Marc P. Mignolet, Arizona State Univ, United States,
Pol D. Spanos, Arizona State Univ, United States,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


The difficulties associated with the determination of reliable autoregressive (AR) approximations of the Pierson-Moskowitz and Davenport spectra are examined from the standpoint of developing appropriate mitigation techniques. Further, a measure of the suitability of a given spectrum for AR modeling which can be used to predict the quality of a particular AR approximation or to select an appropriate value of the AR syste system order is introduced.

Subject Headings: Ocean waves | Autoregressive models | Approximation methods | Wave spectrum | Turbulence | Hydrologic models | Arkansas

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