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ID：41690960
大小：123.86 KB
页数：3页
时间：2019-08-30
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1、swfuneionxtHX-gzn-oopfsh一ooohh1'FSHPHNd〒0H人N—l)*TifcHFS二pfoHfc二pmncos(2诜pi4os;ct=cos(2*pi*fc*ExtHmtkct-mH2¥rand(l"N)—一八fpH15pfs==2oo;RPHO.1;ASU70;fb卫fplskmupl」；dev210>(—AS、20)e0>(RP、20T1)a0>(RP、20)+s;?bmpw」Hremezord(fbmde2、hp1"1o*nt)；xtuxr+ycfst"fft(xtz)；kH2N,1;Trk/TP_subpotpl9l)；pot(t9xthgridEabel3、O」ts"60WPH0.24%piWSH0.3沃piBnws—wpNHCei-(6.6*PVBt)N"N+mod(N+厂2)WCAWP+WS)、(2诜pi)hnufkl(N?wc9hanning(N))yn=conv(hpx〔)subploi(313)por(yn)_g2.dEabeKWHZ・)_y5rbeaffinl^rtito(・(c)^tBwp<4nyn3^i^(a)信号加噪波形(b)信号加噪的频谱1!g0.5°050100150200250300350400450500"Hz(c)输出信号yn4、的频谱"Hz
2、hp1"1o*nt)；xtuxr+ycfst"fft(xtz)；kH2N,1;Trk/TP_subpotpl9l)；pot(t9xthgridEabel3、O」ts"60WPH0.24%piWSH0.3沃piBnws—wpNHCei-(6.6*PVBt)N"N+mod(N+厂2)WCAWP+WS)、(2诜pi)hnufkl(N?wc9hanning(N))yn=conv(hpx〔)subploi(313)por(yn)_g2.dEabeKWHZ・)_y5rbeaffinl^rtito(・(c)^tBwp<4nyn3^i^(a)信号加噪波形(b)信号加噪的频谱1!g0.5°050100150200250300350400450500"Hz(c)输出信号yn4、的频谱"Hz
3、O」ts"60WPH0.24%piWSH0.3沃piBnws—wpNHCei-(6.6*PVBt)N"N+mod(N+厂2)WCAWP+WS)、(2诜pi)hnufkl(N?wc9hanning(N))yn=conv(hpx〔)subploi(313)por(yn)_g2.dEabeKWHZ・)_y5rbeaffinl^rtito(・(c)^tBwp<4nyn3^i^(a)信号加噪波形(b)信号加噪的频谱1!g0.5°050100150200250300350400450500"Hz(c)输出信号yn
4、的频谱"Hz
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