In Frontiers in Manufacturing Engineering (FME)




Journal: Frontiers in Manufacturing Engineering (FME)
Author: Xiefeng Cheng , Zhang Saobai , Cheng Jianbing , Chen Hong

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/fme.01.2017.01.05

A heart sound analysis instrument based on the LabVIEW is devised. There are five subsystems in this instrument: heart sound receiving subsystem, wavelet de-noise subsystem, time domain analysis subsystem, frequency domain analysis subsystem and heart sound signal generation subsystem. The instrument is developed in PC, by using homemade wireless heart sounds receiving device and heart sounds signal receiving subsystem to get heart sound signals, and then using wavelet de-noising subsystem to remove the background noise, finally, the instrument uses time-domain analysis subsystem and frequency domain analysis sub-system to analyze the heart sounds signals. Heart sound signal generator subsystems can produce synthetic heart sound signals accord to the need of users to learn and use. The operating environment of this instrument proves it can collect vivid heart sound signal, reduce noise effectively, computer the characteristic values quickly and accurately, generate and play heart sound precisely. It can be used as an assistance to show, play, and analyse heart sound.

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Pages 01-05
Year 2016
Issue 1
Volume 1
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