2014•Applied Mechanics and MaterialsRequires access

Spectrum Analysis of Infrasound Signal

Bin Wang

Abstract

In this paper, frequency spectrum of infrasound signal collected was analyzed based on MATLAB. The infrasound power level of change with frequency distribution and the infrasound harmonic of each frequency component of the sound pressure amplitude can be made up judgment visually by frequency spectrum analysis and amplitude spectrum analysis, and thus we can obtain different conditions of infrasound properties scientifically and quantitatively.

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Available abstract

Key concepts: Infrasound, Frequency spectrum, Acoustics, SIGNAL (programming language), Spectral density, Amplitude, Harmonic, Harmonic spectrum