130
0
2
53
168
546
17
clc;clear all;close all; % 原信号 sample_rate = 100; n = 5000; x = 1:1:n; data = 50000 + 1000*sin((x/sample_rate)*2*pi); % matlab 慢收敛方法高通滤波 [b,a] = butter(2,0.33/50,'high'); ...