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Use the MATLAB randn function to generate 1000 points for x. Generate the output of the unknown system with the ?lter function and b=[1232 1] and a=[1]. Normalise the ?lter output so that its variance is unity, i.e. y = y./sqrt((sum(b.*b)); call the randn function again to generate 1000 points for the measurement noise, scale the values by 0.1 and add them to [ ], and calculate the Signal-to-Noise Ratio (SNR) in dB for y[k] (The power of zero mean white noise is 2 ; when a noise signal is scaled its standard deviation, i.e , gets scaled by the same factor).
- Use the xcorr function to estimate the cross-correlation and autocor relation elements to form Rxx and Pzx.
- Solve for the optimum Wiener ?lter. Is it close to that of the unknown system?
- Repeat the experiment by varying the scaling applied to the additive noise to 1.0 and 10.0, re-calculate the SNR for each case. What is the effect upon the Wiener solution? What happens if w is assumed to be greater than 4?
Read in any non jpeg image (any image will do) . Save it as a jpeg at quality levels (70, 60,50,40, 30) Get the MSE for each quality level as compared to the orignal file Get the
why after i crop part of a tiff image the cropped image is of different pixel resolution
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
Writing data to a File: The save function can be used to write a data from the matrix to the data file, or to append a data file. The format is as shown below: save filenam
Obtain the input - Algorithms: From where does the input come? The two possible choices would be from an external file on a disk, or from the user, who enters the number by ty
(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
i need help with a monte carlo simulation. I have most of the code, but I can''t get it to plot correctly
how to create adjacency matrix for amino acids in matlab?
Code and decode a 32 bit long data for a specific user in CDMA if there is only 1 user and no noise.
1. Write a MATLAB program to generate and plot the signal x1(n) = [3 2 -2 0 7], n = 0,1,2,3,4. 2. Write a MATLAB program to gen
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