Notch filter
时间: 2023-08-12 08:06:26 浏览: 50
Notch filter是一种陷波滤波器,它可以在某一个特定的频率点迅速衰减输入信号,以达到阻碍该频率信号通过的滤波效果。陷波滤波器的传递函数可以用来描述其频率响应,其中在消除的信号频率点,传递函数的值等于零,而在其他频率处,传递函数的值不为零且等于1。通过使用Notch filter,我们可以消除特定频率的谐波,只留下基波,从而方便后续的信号处理。\[1\]\[2\]\[3\]
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