DTFT vs. DFT: Example #5: sum of cosine waves (DC, 1Hz, 2Hz)
Sampled sequence
Magnitude plot of DTFT as a function of frequency
Phase plot of DTFT as a function of index k
Magnitude plot of DFT as a function of frequency
Phase plot of DFT as a function of index k
Rearrange and scale DFT result
Show all
Converted by Mathematica
March 25, 2003