I write this code to get IFFT for y but only spectrum drawn not time domain siganal ploted: t = -5:0.001:5; y1 = sin(pi*(t+1))./(pi*(t+1)); y2 = sin(pi*(t+2))./(pi*(t+2)); y3 = sin(pi*(t+3))./(pi*(t+3)); y0 = sin(pi*t)./(pi*t); y11= sin(pi*(t-1))./(pi*(t-1)); y22= sin(pi*(t-2))./(pi*(t-2)); y33= sin(pi*(t-3))./(pi*(t-3)); y=y1+y2+y3+y0+y11+y22+y33; subplot(2,1,1); plot(t,y); axis ([-6 6 -0.5 1.2]); xlabel ('Frequency Domain'); grid on zoom on subplot(2,1,2); fre= real(ifft(y)); plot(t,fre); xlabel ('Time Domain'); Regards, Hatem Zakaria |
IFFT for OFDM
Started by ●February 25, 2004