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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 (ejω) of x(n) and plot the magnitude and phase of X(ejω). You need to properly define the resolution of X(ejω) in the frequency domain.
(c) Verify that the above DFT is the sampled version of X(ejω). 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(ejω) 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.
Consider the shaft-rotor system shown in Figure. Write down the equations of motion. Taking I= 1 kgm 2 and k=10 kNm/rad, for two special cases (α =0.5 and α = 1000) find as many
i need matab code of decision feedback equalizer
Grid function: grid shows grid lines on the graph. Called by itself, it is a toggle which turns the grid lines on & off. Alternatively, the commands grid on & grid off can
I am trying to implement this equation u_t=-\u_x\ using upwind scheme. and as a second step, I need to put some stopping function g(h) where u_t=-g(h)\u_x\ how can I write this on
The secant method is an iterative root nding method that is super-linear. The method has the advantage that it is faster than linear methods and does not require knowledge of the
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1. Assume that there exists a surface that can be modeled with the equation: z = e-(x 2 + y 2 ). a) Calculate ∇z at the point (x = 0, y = 0). b) In addition, use MATLAB to
This problem description is taken from Illingworth and Golosnoy [1]: For physical systems of inhomogeneous composition, di usion is often observed to cause a change of phase, even
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would you please send the programing code simultion
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