Hilbert-Twin – A Novel Hilbert Transform-Based Method To Compute Envelope Of Free Decaying Oscillations Embedded In Noise, And The Logarithmic Decrement In High-Resolution Mechanical Spectroscopy HRMS
In this work, we present a novel Hilbert-twin method to compute an envelope and the logarithmic decrement, δ, from exponentially damped time-invariant harmonic strain signals embedded in noise. The results obtained from five computing methods: (1) the parametric OMI (Optimization in Multiple Interva...
Main Authors: | Magalas L.B., Majewski M. |
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Format: | Article |
Language: | English |
Published: |
Polish Academy of Sciences
2015-06-01
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Series: | Archives of Metallurgy and Materials |
Subjects: | |
Online Access: | http://www.degruyter.com/view/j/amm.2015.60.issue-2/amm-2015-0265/amm-2015-0265.xml?format=INT |
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