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080609

于 2009-08-09 发布 文件大小:213KB
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说明:  基于MATLAB的FIR带阻数字滤波器的设计 由于生物医学信号处理过程中易混入50Hz噪声的特点,本文利用程序设计法和FDATool设计法,设 计一带阻滤波器,并将设计的滤波器应用到一混和正弦信号,通过测试检验,该滤波器可以很好地消除50Hz的工 频干扰。(】To prevent the biomedical signals from being disturbed by 50Hz noise easily,the paper designs a bandstop digital filter by procedure and FDATool method.The filter is tested by a blended 81ne wave experimentally and the result shows that the filter can cancel the 50Hz noise very well.)

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