bandpass.zip_PPG_PPG信号_matlab 特征提取 信号处理_ppg特征提取_波峰

ppgband=bandpass(ired6,360); Ired6=bandpass(ired6,360); Iredband=bandpass(ired6,360); Iredband(1643:1,1892)=[]; x1=Ired6(129:378); x2=Ired6(396:645); x3=Ired6(893:1142); x4=(x1+x2+x3)/3; Ired6(1643:1892)=x4; Ired11 = smooth(Ired6,20); %subplot(5,1,1) %plot(ppgband) %含有错误波 %subplot(2,1,1) %plot(Ired6) %剔除错误波 %subplot(2,1,2) %plot(Ired11) %重新合成波 Iredband(1884:1,2132)=[]; x5=Ired11(388:636); x6=Ired11(885:1133); x7=Ired11(1143:1391); x8=(x5+x6+x7)/3; Ired11(1884:2132)=x8; Ired12=smooth(Ired11,20); %subplot(2,1,2); %plot(Ired12); Iredband(2122:1,2370)=[]; x9=Ired12(388:636); x10=Ired12(885:1133); x11=Ired12(1644:1892); x12=(x9+x10+x11)/3; Ired12(2122:2370)=x12; Ired13=smooth(Ired12,20); %subplot(2,1,2); %plot(Ired13); Iredband(2361:1,2607)=[]; x13=Ired13(388:634); x14=Ired13(1385:1631); x15=Ired13(1648:1894); x16=(x13+x14+x15)/3; Ired13(2361:2607)=x16; Ired14=smooth(Ired13,20); %subplot(2,1,2); %plot(Ired14); Iredband(2598:1,2840)=[]; x17=Ired14(1403:1645); x18=Ired14(1645:1887); x19=Ired14(1887:2129); x20=(x17+x18+x19)/3; Ired14(2598:2840)=x20; Ired15=smooth(Ired14,20); %subplot(2,1,2); %plot(Ired15); Iredband(2831:1,3081)=[]; x21=Ired15(386:636); x22=Ired15(636:886); x23=Ired15(1138:1388); x24=(x21+x22+x23)/3; Ired15(2831:3081)=x24; Ired16=smooth(Ired15,20); %subplot(2,1,2); %plot(Ired16); Iredband(3074:1,3318)=[]; x25=Ired16(896:1140); x26=Ired16(1140:1384); x27=Ired16(1890:2134); x28=(x25+x26+x27)/3; Ired16(3074:3318)=x28; Ired17=smooth(Ired16,20); %subplot(2,1,2); %plot(Ired17); Iredband(3310:1,3600)=[]; x29=Ired17(387:677); x30=Ired17(889:1179); x31=Ired17(2126:2416); x32=(x29+x30+x31)/3; Ired17(3310:3600)=x32; Ired18=smooth(Ired17,20); %subplot(2,1,2); %plot(Ired18); subplot(2,1,1); plot(ired6); subplot(2,1,2); plot(Ired18);