50tfi13cos2pi150tfi2N
hfir110004Hffth2NH2absH2Rxxcorrx
biasedSxabsfftshiftfftx
2N22NSySxH2RyfftshiftifftSyfNN1fs2NmNN1NN2000subplot311plotNN1NfftshiftabsH212Ntitle低通滤波器subplot312plotmRyxlabelm
16
fylabelRymtitlex
经低通滤波器的自相关函数subplot313plotffftshift10log10Sy12Naxis2002002050xlabelfHzylabelSydBtitlex
经低通滤波器的功率谱密度
3、带通
N2000fs400N
ra
dom
ormal011Nt0N1fsfira
domu
if01122pix
cos2pi50tfi13cos2pi150tfi2N
hfir11000105Hffth2NH2absH2Rxxcorrx
biasedSxabsfftshiftfftx
2N22NSySxH2RyfftshiftifftSyfNN1fs2NmNN1NN2000subplot311plotNN1NfftshiftabsH212Ntitle带通滤波器subplot312plotmRyxlabelmylabelRymtitlex
经带通通滤波器的自相关函数subplot313plotffftshift10log10Sy12Naxis2002002050xlabelfHzylabelSydBtitlex
经带通滤波器的功率谱密度
4、高通
N2000fs400N
ra
dom
ormal011Nt0N1fsfira
domu
if01122pix
cos2pi50tfi13cos2pi150tfi2N
hfir110006highHffth2NH2absH2Rxxcorrx
biased
17
fSxabsfftshiftfftx
2N22NSySxH2RyfftshiftifftSyfNN1fs2NmNN1NN2000subplot311plotNN1NfftshiftabsH212Ntitle高通滤波器subplot312plotmRyxlabelmylabelRymtitlex
经高通通滤波器的自相关函数subplot313plotffftshift10log10Sy12Naxis2002002050xlabelfHzylabelSydBtitlex
经高通滤波器的功率谱密度
5、多带通
N2000fs400N
ra
dom
ormal011Nt0N1fsfira
domu
if01122pix
cos2pi50tfi13cos2pi150tfi2N
hfir110002040608Hffth2NH2absH2Rxxcorrx
biasedSxabsfftshiftfftx
2N22NSySxH2RyfftshiftifftSyfNN1fs2NmNN1NN2000subplot311plotNN1NfftshiftabsH212Ntitle多带通滤波器subplot312plotmRyxlabelmylabelRymtitlex
经多带通通滤波器的自相关函数subplot313plotffftshift10log10Sy12Naxis2002002050xlabelfHzylabelSydB
18
ftitlex
经多带通滤波器的功率谱密度
6、带阻
N2000fs400N
ra
dom
ormal011Nt0N1fsfira
domu
if01122pix
cos2pi50tfi13cos2pi150tfi2N
hfir11000205stopHffth2NH2absH2Rxxcorrx
biasedSxabsfftshiftfftx
2N22NSySxH2RyfftshiftifftSyfNN1r