python-scipy 生成巴特沃斯带通滤波器_butterbandpassfilter(low1,high1,isamplerate,order=

作者：很楠不爱3 | 2024-02-12 18:32:10

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butterbandpassfilter(low1,high1,isamplerate,order=order1)

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# 带通滤波，0.5~70hz  
#####################################

def butterBandPassFilter(lowcut, highcut, samplerate, order):
    "生成巴特沃斯带通滤波器"
    semiSampleRate = samplerate*0.5
    low = lowcut / semiSampleRate
    high = highcut / semiSampleRate
    b,a = signal.butter(order,[low,high],btype='bandpass')
    print("bandpass:","b.shape:",b.shape,"a.shape:",a.1
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