中文说明：matlab仿真陷波器，可调截止频率，得到不同阶数函数常数，可加入自己音频信号，进行测试，主要用于设计软件防治消减啸叫功能。打出不同图形做出比较，能更好的调节算出自己需要的数据。
English Description：
MATLAB simulation for notch filter, adjustable cutoff frequency, obtained numerical function constant, you can add your own audio signal, tested, mainly used in designing software control cut Whistler feature. Comparison of different graphics to make play, can better adjust to figure out one of your own data.