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(a) Find the spectrum of this waveform: x = [ exp( -[0:1:49]/10), exp(-[50:-1:1]/10)]. Subplot only the magnitude by using the spectrum program from the class notes.
(b) Using this information from the 100-point DFT, re-create the waveform by summing the sinusoidal contributions from all the DFT coefficients as done in lecture. Show both the waveform x and its re-creation xhat on another subplot. (The waveforms might merge into one figure so the mean square error is effectively zero in this case.)
(d) Using MATLAB, find the index n0 at which the spectral magnitude falls below 0.05 of its maximum (which is a point beyond which there is little energy left in the higher frequencies.)
(e) Using only the first n0 DFT coefficients, generate the waveform and plot in Matlab by using the symmetry properties of the transform. Plot xhat over the actual signal and annotate the plot to indicate the value of the calculated mse. Title and label the axes. Submit plot and code.
if i have a 3x2 double.. how can i run a for loop for this matrix so tht it can subtracted values of he adjacent neighbors?
Error-Checking user input in the While Loop: In many applications, whenever the user is prompted to enter anything, there is a valid range of values. When the user enters a wr
You will write functions • B=null basis(A,tol); • B=range basis(A,tol); The function null basis takes a matrix A as input, and outputs a basis for the null space of A, obtained via
People arrive at a microscope exhibit at a rate of one every 8+/- 2 minutes. Only one person can see the exhibit at a time. It takes 5 +/- 2 minutes to see the exhibit. A person
Illustration of Modifying Elements: Illustration, the fifth element in the vector newvec is 9 >> newvec(5) ans = 9 The subset of a vector, that would be a vector it
A 300 km, 3-phase, 50Hz transmission line has spacing as shown in Figure 2. Each phase of the line consists of a bundle of three conductors. (a) Find the total per-phase induct
how can i used loops instead of polyfit function
what are the steps we need to write in the script to get themedian for X values
design a rc phase shift oscillator for a particular frequency of oscillation and generate a sinusoidal signal
Reading from a File: A file has been once created; it can be read into a matrix variable. When the file is a data file, the load function will read from the file filename.ext
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