rt,比如像下面这样一组数据,
x=[
128.891434 130.798309 131.787064 131.716446 131.787064 131.857697 131.010193 130.162689 129.315186 129.385803 131.222061 132.069565 132.987701 134.965210 135.742096 135.883347 135.459595 135.106461 134.329590 133.482086 134.470840 135.318344 137.154602 138.002106 139.697113 141.674637 141.674637 141.674637 141.674637 143.510895 144.499649 145.417786 145.488403 144.640900 143.722763 ] ;
y=[
81.260017 81.911804 81.990509 82.484894 81.990509 81.496132 80.428673 79.361206 78.293747 77.799370 78.945534 80.013000 80.586082 80.743500 82.305344 81.316582 80.782852 79.754745 78.192902 77.125443 77.204147 78.271606 79.417778 80.485245 82.620171 82.777580 82.777580 82.777580 82.777580 83.923752 84.002457 84.575546 84.081169 83.013702 82.440620 81.373154 79.732605 79.238228 78.743851 78.822556 ];
æç®åçä½é滤波ä¹è®¸æ¯ç®æ¯å¹³å,
plot(x,y(1:35),x,(y1+y2)/2,x,(y(1:35)+y(2:36)+y(3:37))/3)
å¹³æ»ææå¾ææ¾,è§ä¸å¾:
追é®è¿ä¸ªä¸è¡å§ï¼xåyé½å¾å¹³æ»ï¼èä¸ä½ è¿ä¸ªå¹³æ»ææ说å®è¯å¾ä¸å¥½ããã
追çä½æ°æ®å¤ç,ä¸å¥½ç¬¼ç»è¯´è¡ä¸ä¸è¡,
è¦åæéæ±,èèåç§çº¦ææ¡ä»¶,æç¡®ç®æ ,è¿æ ·æè½æ¿åºé对æ§çæ¹æ¡.
é£æ ·å¤çå¹³æ»ææç¡®å®æ¯å¾ææ¾å,,è³äºè¡è¿æ¯ä¸è¡,ææ好è¿æ¯ä¸å¥½,ä¸ä½ çéæ±æå
³.
那您把Y最后面多出的5个数删掉再试试。。。