巴特沃斯二阶滤波器，高通滤波器，可以有效地对信号进行处理,Second-order Butterworth filter, high-pass filter is an effective way to process the signals

1.分析并了解巴特沃斯滤波器的频率特性 2.设计一个巴特沃斯滤波器使它符合对应的要求 3.学习绘制巴特沃斯滤波器的零极点分布图 4.通过设计对MATLAB的应用有了相应的了解 5.进一步了解截止频率和过渡带频率的范围等概念 -1、Analysis and understanding of the frequency characteristics of Butterworth filter 2、Design a Butterworth filter to ma

数字图像频域滤波处理，分别进行二阶巴特沃斯(Butterworth)高通、低通滤波器。-Digital image processing frequency domain filtering, respectively second-order Butterworth (Butterworth) high pass, low pass filter.