High-resolution modal analysis

Physics – Data Analysis – Statistics and Probability

Scientific paper

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Scientific paper

10.1016/j.jsv.2009.04.019

Usual modal analysis techniques are based on the Fourier transform. Due to the Delta T . Delta f limitation, they perform poorly when the modal overlap mu exceeds 30%. A technique based on a high-resolution analysis algorithm and an order-detection method is presented here, with the aim of filling the gap between the low- and the high-frequency domains (30%

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