matlab实验数据处理

%%
%------------------------------------------------------------------------三组信号一致性处理
clear all;
close all;
%22,0,[22,0,7000,2]\\\22
data1=csvread('E:\data\600-600\9.24\0\1-4-0.csv',22);
data2=csvread('E:\data\600-600\9.24\0\2-5-0.csv',22);
data3=csvread('E:\data\600-600\9.24\0\3-6-0.csv',22);
t=data1(:,1);
figure(2);%t,data1(:,2),t,data2(:,2),t,data3(:,3)
plot(t,data1(:,2),t,data2(:,2),t,data3(:,2));
title('30khz,1-4,2-5,3-6');
%%
%--------------------------------------------------------------------一组信号差分处理
clear all;
close all;
%22,0,[22,0,7000,2]\\\22
data1=csvread('E:\data\600-600\9.24\0\1-5-0.csv',22);
data2=csvread('E:\data\600-600\9.24\1\1-5-1.csv',22);
t=data1(:,1);

figure(1);
subplot(3,1,1);
plot(t,data1(:,2),t,data2(:,2));
title('1-5');
subplot(3,1,2);
plot(data1(:,1),data1(:,2)-data2(:,2));
subplot(3,1,3);
plot(t,data1(:,3));
%-----------------------------------------------------------------2000-8000
t1=data1(2000:6000,1);
figure(3);
subplot(2,1,1);
plot(t1,data1(2000:6000,2),t1,data2(2000:6000,2));
title('1-5');
subplot(2,1,2);
plot(data1(2000:6000,1),data1(2000:6000,2)-data2(2000:6000,2));
%%
%----------------------------------------------------------------------多组裂纹差分信号处理
clear all;
close all;

data1_1_1=csvread('E:\data\600-600\9.24\0\6-1-0.csv',22);
data1_2_1=csvread('E:\data\600-600\9.24\0\6-2-0.csv',22);
data1_3_1&