Power spectrum and filtering

Andreas Skiadopoulos; Nick Stergiou

doi:10.1016/B978-0-12-813372-9.00005-1

Power spectrum and filtering

Andreas Skiadopoulos, Nick Stergiou

Research output: Chapter in Book/Report/Conference proceeding › Chapter

4 Scopus citations

Abstract

The Fourier transform is at the heart of many engineering disciplines, including human movement biomechanics. The major focus of this chapter is to introduce concepts related to the discrete Fourier transform. In biomechanics, human movement is captured as analog signals and evaluated usually as digital signals. Linear and angular kinematics, kinetics, and electromyographic data should be treated like any other digital signal. The Fourier transform is the alpha and the omega in biomechanical data collection and digital signal processing. Students of biomechanics must understand the basic concepts of digital processing in order to be responsible users of commercial equipment and software.

Original language	English (US)
Title of host publication	Biomechanics and Gait Analysis
Publisher	Elsevier
Pages	99-148
Number of pages	50
ISBN (Electronic)	9780128133729
ISBN (Print)	9780128134405
DOIs	https://doi.org/10.1016/B978-0-12-813372-9.00005-1
State	Published - Jan 1 2020

Keywords

data sampling
digital filtering
Fourier transform
noise
smoothing
spectral leakage
time series

ASJC Scopus subject areas

General Engineering
General Biochemistry, Genetics and Molecular Biology

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10.1016/B978-0-12-813372-9.00005-1

Cite this

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AB - The Fourier transform is at the heart of many engineering disciplines, including human movement biomechanics. The major focus of this chapter is to introduce concepts related to the discrete Fourier transform. In biomechanics, human movement is captured as analog signals and evaluated usually as digital signals. Linear and angular kinematics, kinetics, and electromyographic data should be treated like any other digital signal. The Fourier transform is the alpha and the omega in biomechanical data collection and digital signal processing. Students of biomechanics must understand the basic concepts of digital processing in order to be responsible users of commercial equipment and software.

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KW - Fourier transform

KW - noise

KW - smoothing

KW - spectral leakage

KW - time series

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BT - Biomechanics and Gait Analysis

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ER -

Power spectrum and filtering

Abstract

Keywords

ASJC Scopus subject areas

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