½«ÊµÑéÊý¾ÝÀûÓÃMatlab»³öÁËͼÏñ£¬ÔõôÇóͼÏñÓëxÖáµÄ½»µã¼´Áãµãºá×ø±ê£¿
ÓÉÓÚ²»ÊÇÇ󷽳̻òº¯ÊýµÄÁãµã£¬¶øÊÇÔڵõ½µÄͼÏñÖÐÕÒ³öÁãµã£¬Ôõô±à³Ì
y=xlsread('E:\¡£¡£¡£');
y0=xlsread('E:\¡£¡£¡£');
Fs = 4000;
T = 1/Fs;
L = length(y);
x = (0:L-1)*T;
y1=y(:,7);
y2=y(:,8);
y01=y0(:,7);
y02=y0(:,8);
y=(y1-mean(y01))-(y2-mean(y02));
figure
plot(x,y);
ÕâÖ®ºóÔõô±àдÓïÒô£¬Çó½Ì ·µ»ØСľ³æ²é¿´¸ü¶à
½ñÈÕÈÈÌû
¶þ·Ö·¨ÔõôÓ𡣬Äܲ»ÄÜ°ïÏÂÎÒ£¬ÔõôдÓï¾ä°
£¬
ÊÔÁËÏÂû³É¹¦£¬²»ÖªµÀÔõôŪµÃ£¬ÄÜÂé·³°ïæдϳÌÐòÂð
²»ºÃÒâ˼£¬¸Õ¿´µ½Ë½ÐÅ¡£ÎÒÃ÷ÌìÊÔÊÔ°É