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    ASIA unversity > 資訊學院 > 資訊工程學系 > 期刊論文 >  Item 310904400/95622

    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/95622

    Title: Fundamental frequency analysis on a harmonic power signal using Fourier series and zero crossing algorithms
    Authors: 陳永欽;YEONG-CHIN CHEN;Shen, Hui-Yu;Shen, Hui-Yu;Hsu, Chao-Hs;Hsu, Chao-Hsing
    Contributors: 資訊工程學系
    Date: 2015-07
    Issue Date: 2015-11-12 14:44:52 (UTC+8)
    Abstract: This paper aims to propose a simple and fast approach to detect the frequency
    of electrical signals based on zero-crossing point algorithms. First, we will use
    the Fourier algorithm as a digital filter to fetch the fundamental signal of the acquired
    signals, and then usea zero crossing algorithm technoogy which is then applied to the sine
    or cosine signal of the fundamental signal to calculate the frequency of the fundamental
    signal. It is intended to apply this theoretical development in personal computers to analyze
    the operation of the extracted signal with DAQ (Data Acquisition Card) device. This
    system was developed by using a SCADA (Supervisory Control and Data Acquisition)-
    based software, LabVIEW, to simulate a signal source with high-order harmonic and
    noise signals combined together, and the program can be used to estimate the frequency
    of fundamental sinusoidal signals. Experiment result has shown that the zero-crossing
    point algorithm is an effective method of measuring the frequency.
    Relation: Journal of Information Hiding and Multimedia Signal Processing
    Appears in Collections:[資訊工程學系] 期刊論文

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