International Journal of Biomedical Science and Engineering

Archive

Volume 3, Issue 2, April 2015

  • Design of Electrocardiography Signal Acquisition and Processing Software Module

    Duong Trong Luong, Nguyen Duc Thuan, Nguyen Minh Duc, Dang Huy Hoang, Nguyen Ngoc Xuan

    Issue: Volume 3, Issue 2, April 2015
    Pages: 11-17
    Received: 10 March 2015
    Accepted: 23 March 2015
    Published: 28 March 2015
    DOI: 10.11648/j.ijbse.20150302.11
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    Abstract: This paper presents the design of electrocardiography (ECG) signal acquisition and processing using graphic programming language LabVIEW 2012. The module software is designed towards applying in researches, monitoring and diagnosing cardiovascular diseases. The module software includes several main functions such as acquiring and displaying ECG sig... Show More
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  • Analysis by Computer Simulation of Factors Affecting the Extracellular Slow Wave Features of the Human Colon

    Nicola Mirizzi, Giuseppe Riezzo

    Issue: Volume 3, Issue 2, April 2015
    Pages: 18-24
    Received: 9 March 2015
    Accepted: 25 March 2015
    Published: 31 March 2015
    DOI: 10.11648/j.ijbse.20150302.12
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    Abstract: The study reported in this paper analyses, by computer simulation, factors affecting the features (amplitude, frequency and phase lag) of the slow waves of the extracellular myoelectrical activity of the human ascending colon. It takes into account both the anatomic and functional aspects of the colon haustra, the myoelectrical dynamics of the cell... Show More
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  • Coherence Function in Noisy Linear System

    Cecil W. Thomas

    Issue: Volume 3, Issue 2, April 2015
    Pages: 25-33
    Received: 12 March 2015
    Accepted: 25 March 2015
    Published: 2 April 2015
    DOI: 10.11648/j.ijbse.20150302.13
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    Abstract: The coherence function provides a measure of spectral similarity of two signals, but measurement noise decreases the values of measured coherence. When the two signals are the input and output of a linear system, any system noise also decreases the measured coherence values. In digital computations, useful coherence values require some degree of av... Show More
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