Abstract
This chapter analyzes a deterministic process in the frequency domain via Fourier series (for period process) and Fourier Transform (for non-period process). Estimators based on a sample time history of the process are introduced and their possible distortions arising from finite sampling rate (aliasing) and duration (leakage) are discussed. The Fast Fourier Transform provides an efficient computational tool for digital implementation. The chapter contains a section that connects the presented mathematical theory to implementation in Matlab, which is a convenient platform for scientific computing.
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Au, SK. (2017). Spectral Analysis of Deterministic Process. In: Operational Modal Analysis. Springer, Singapore. https://doi.org/10.1007/978-981-10-4118-1_2
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DOI: https://doi.org/10.1007/978-981-10-4118-1_2
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Publisher Name: Springer, Singapore
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Online ISBN: 978-981-10-4118-1
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