buttworth滤波，主要用来对工程中采集的信号进行处理，包括lp,hp,bp,bs等-buttworth filter, mainly uses for the signal which gathers to the project in to carry on processing, including lp, hp, bp, bs and so on

包含了巴特沃斯滤波器的处理，属于数字信号处理的一部分-Includes the processing of the Butterworth filter, part of the digital signal processing

巴特沃斯滤波器MATLAB仿真程序，分析，绘图，手动设置参数-MATLAB simulation program Butterworth filter, analysis, mapping, set the parameters manually