Programs to determine discrete fourier transform, MATLAB Programming

A 12-point sequence is x (n) defined as x(n) = { 1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1}. Write MATLAB programs to

(a) Determine the DFT X (k) of x(n) and plot (using stem function) its magnitude and phase.

(b) Determine the DTFT X (e) of x(n) and plot the magnitude and phase of X(e). You need to properly define the resolution of X(e) in the frequency domain.

(c)  Verify that the above DFT is the sampled version of X(e). It might be helpful to combine the above two plots in one graph using the hold function.

(d)  Is it possible to reconstruct the DTFT X(e) from the DFT of X(k)? If possible, give the necessary interpolation formula for reconstruction. If not possible, state why this construction cannot be done.

The programs generating the plots should be provided.

Posted Date: 2/21/2013 2:08:51 AM | Location : United States

Related Discussions:- Programs to determine discrete fourier transform, Assignment Help, Ask Question on Programs to determine discrete fourier transform, Get Answer, Expert's Help, Programs to determine discrete fourier transform Discussions

Write discussion on Programs to determine discrete fourier transform
Your posts are moderated
Related Questions
Use an expression for the far-field radiation from a plane circular piston to create a more accurate model of a column loudspeaker system - you will need to calculate individual so

The natural frequencies of a fixed-fixed uniform shaft made of homogeneous material undergoing longitudinal vibration is given by rad/s, where L is the length of the bar, G is th

Introduction to Matlab: The MATLAB is a graphical and mathematical software package; it has graphical, numerical and programming capabilities. It has built-in functions to do

what are the difference between a.linear permutation b.circular permutation

clear tic L=1; T=0.2; nust=2000; dt=T/nust; n=40; dx=L/n;   r=1;  omega=10:10:5000;%Store Range of Frequencies for Simulation u=zeros(n+1,nust+1);%

Your task is to implement the PHYSAT algorithm in Matlab to classify the phytoplankton species in the data you have selected. An algorithm demonstrating one solution is provided be

Create a text file with simulated data. Calculate an experimental y using the first function and some reasonable values for the parameters Add noise Save the x values and ca

The purpose of this lab is to introduce students to the basic concept of overtones. In order to generate two tones at the same time, you need to generate two waveforms and add them

i have a problem in doing my project which detects image forgery detection using resampling technique any one please help in writing my program

Q. An expression for a sawtooth wave over the internal 0 ≤ t ≤ T0 is given by f(t) = At/T0. The student is encouraged to check the Fourier coefficients to be a 0 = A/2, an = 0 for