Answered
FIR by using Frequency Sampling Methods
You may want to take a look at |firls| http://www.mathworks.com/help/toolbox/signal/ref/firls.html

14 years ago | 0

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FSK modulation and demodulation
You can use Communication System Toolbox or Communication Blockset http://www.mathworks.com/help/toolbox/comm/ref/mfskmodulat...

14 years ago | 0

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Answered
Fit a curve of equation of form y = ax^b to data
If you have Curve Fitting Toolbox, you can use that to do an exponential fitting directly http://www.mathworks.com/help/toolb...

14 years ago | 1

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Answered
tfestimate
Hi arttu, According to the documentation, the computation is Cyx/Cxx. http://www.mathworks.com/help/toolbox/signal/ref/tfe...

14 years ago | 0

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Answered
Levinson Algorithm
Have you tried |levinson| in MATLAB? help levinson BTW I'm not quite sure if I understand your Rxx. Are you referring to...

14 years ago | 0

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Answered
plot a signal with a "marker"
I don't know exactly what you mean, but try the following code and see if one of them match your needs. x = 1:10; y = 1:...

14 years ago | 0

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FIR Parks-McClellan
Parks-McClellan is an algorithm for filter design. It does not use window. Spectrogram is normally used to view the signal since...

14 years ago | 0

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Answered
arrayfun for function of multiple outputs of different sizes
rep = 10 x = randi(rep,1,rep) [resultA,resultB] = arrayfun(@f,x,'UniformOutput',false)

14 years ago | 0

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bessel functions
The iteration should go to infinity but yours stop at 3. In fact, this kind of implementation has another numerical issue, s...

14 years ago | 0

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strfind using two strings
What's wrong if you just do them separately and then see if there is an intersection? x1 = num2str(rand(1,10)>0.5) xloc1...

14 years ago | 0

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The class has no property or method named 'setCurncy'
It is not a static method, so I think you should use obj.curncy = obj.setCurncy(symbol);

14 years ago | 0

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MMSE equalizer
It seems you don't have Communication System Toolbox correctly installed. What is your result of the following command? >>v...

14 years ago | 0

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for and parfor
To use PARFOR, each iteration has to be independent to each other. This is not always possible. The following document may be us...

14 years ago | 2

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create a matrix!
repmat(col,2,1) or repmat(col,numel(row),1)

14 years ago | 1

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Answered
size
Because VAR_START is a 1x17 vector, i.e., number of rows is 1 and number of columns is 17

14 years ago | 1

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How to clear "last warning"?
warning('')

14 years ago | 2

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performing of nearfield beamforming using phased array toolbox
Hi Alexey, Phased Array System Toolbox currently can only deal with plane wavefront. You may need to write some custom code to s...

14 years ago | 1

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Answered
3D directional antenna pattern
I couldn't really comment on the pattern itself but I think part of the issue is that your color is not appropriately applied. Y...

14 years ago | 0

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For Loop
Apparently your k_hat is a scalar. It is probably changing in each iteration because the t you passed into E_Test is different. ...

14 years ago | 0

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covariance matrix estimation in MVDR beamforming
That depends on whether you want to process your signal as narrow band or wide band. If you want narrow band, then you can treat...

14 years ago | 0

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Efficient table lookup
On top of Sean's answer. In case your grid is not uniform (although it seems that they are based on your description), you can u...

14 years ago | 0

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Scaling of fft output?
The following links may be helpful http://www.mathworks.com/products/matlab/demos.html?file=/products/demos/shipping/matlab/f...

14 years ago | 1

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Mean averaging separate rows using a certain section of each row.
Hi Tom, your example has 17 columns, not 17 rows. I'll assume you mean a 17x300000 matrix. It's not clear if the region for ever...

14 years ago | 0

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Answered
How to organize loop outputs
You could consider using |cell| for w = (size(e(2)):-1:1 u{w} = find (x>=v(w)&x<=e(w)) end I also reversed t...

14 years ago | 1

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adaptive filter with more than two coefficients
You need to change the loop to j = 3:N and then the signal to x(j-2:j) Otherwise, your x(j-1:j) is only 2 sampl...

14 years ago | 0

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Answered
how do i work out the transfer function of my filter for use in an adaptive filter?
If it's an FIR, then the coefficients are the transfer function. Say the coefficients are stored in |b|, then you can view the t...

14 years ago | 0

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specifying the handle as you plot
h = plot(0.5,0.5) returns the handle in |h|

14 years ago | 1

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Answered
zplane - don't the zeros and poles need to be complex?
|zplane| is a little subtle. When B and A are rows, they represent transfer functions. However, if B and A are columns, they are...

14 years ago | 1

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Answered
fourier analisys - harmonic analisys
You can get amplitude by doing Y_mag = abs(Y); The magnitude and phase are in the order of frequencies, from 0 to your s...

14 years ago | 0

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making a rotation matrix
You need to do something like rotatie(i,:) = [c(1,1) c(2,1)]; But if I understand your question correctly, you can do it...

14 years ago | 0