The aim of this experiment was to perform Discrete Fourier Transform.
We observed that as the value of N (length of signal) increases, frequency spacing increases and error decreases.
We plotted the magnitude spectrum when N=4 and also after zero padding i.e when N=8. The magnitude spectrum was found to be symmetric.
Link for programs:
https://drive.google.com/folderview?id=0B9FCQ_loE3PaY1lUZ3NTZUZ0elE&usp=sharing
The nature of the dft coeff after zero padding is such that for k= even, the values are same as that for N=4, and for K= odd the values get multiplied by twiddle factor.
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