EXPERIMENT- 4 DFT AND FFT

This experiment was based on developing a program to perform FFT and DFT of a N point signal on CCS.  DFT is one of the most powerful tools in digital signal processing; it enables us to find the spectrum of a finite-duration signal x(n). We observed that as the length of input signal increases frequency spacing and error decreases and resolution increases.  FFT is an algorithm that samples a signal over a period of time and divides it into its frequency components.FFT is a simpler and faster method. This is very useful when the value of N is large.

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EXPERIMENT-5 OAM and OSM

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