Feb 8, 2006 #1 B ballance Newbie level 5 Joined Jan 11, 2006 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,331 hello everyone i don't know what are the f(sample) and f(signal) of below program. please help me !! thanks ------------------------------------------------------ osr=64; h=synthesizeNTF(5,osr,1); nlev=3; nfft=2^13; tone_bin=57; t=[0:nfft-1]; u=0.5*(nlev-1)*sin(2*pi*tone_bin/nfft*t); v=simulateDSM(u,h,nlev); n=1:150; stairs(t,u,'g'); hold on; stairs(t,v,'b'); ------------------------------------------------------
hello everyone i don't know what are the f(sample) and f(signal) of below program. please help me !! thanks ------------------------------------------------------ osr=64; h=synthesizeNTF(5,osr,1); nlev=3; nfft=2^13; tone_bin=57; t=[0:nfft-1]; u=0.5*(nlev-1)*sin(2*pi*tone_bin/nfft*t); v=simulateDSM(u,h,nlev); n=1:150; stairs(t,u,'g'); hold on; stairs(t,v,'b'); ------------------------------------------------------
Feb 9, 2006 #2 currentmirror2000 Member level 4 Joined Dec 21, 2004 Messages 77 Helped 6 Reputation 16 Reaction score 1 Trophy points 1,288 Activity points 798 hi, plz see below: sampling frequency fs = 1 osr=64; ==> BW = 1/2/64 = 7.8125*10^-3 (normalized to fs); nfft=2^13; tone_bin=57; u=0.5*(nlev-1)*sin(2*pi*tone_bin/nfft*t); ==> input frequency fin = 57/2^13 = 6.958*10^-3 (normalized to fs); ==> fin = 0.89BW in summary, this is to simulate with osr = 64, sampling frequency = 1, input signal bandwidth = 7.8125*10^-3 and input test frequency = 0.89*BW hope it helps best regards, c.m.
hi, plz see below: sampling frequency fs = 1 osr=64; ==> BW = 1/2/64 = 7.8125*10^-3 (normalized to fs); nfft=2^13; tone_bin=57; u=0.5*(nlev-1)*sin(2*pi*tone_bin/nfft*t); ==> input frequency fin = 57/2^13 = 6.958*10^-3 (normalized to fs); ==> fin = 0.89BW in summary, this is to simulate with osr = 64, sampling frequency = 1, input signal bandwidth = 7.8125*10^-3 and input test frequency = 0.89*BW hope it helps best regards, c.m.
Feb 16, 2006 #3 B ballance Newbie level 5 Joined Jan 11, 2006 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,331 thank you for your help