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Adding AWGN to a Signal
If you have Communication Toolbox or Communication System Toolbox, you can use awgn http://www.mathworks.com/help/toolbox/com...

14 years ago | 0

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How to find the position in cell arry?
D = {[1 2];[1 4];[1 6];[2 4];[2 5];} c = [1 6] [~,~,idx] = intersect(c,cell2mat(D),'rows')

14 years ago | 0

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Answered
Chars with white space
You can try |deblank| http://www.mathworks.com/help/techdoc/ref/deblank.html

14 years ago | 2

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need some help regarding uniform rectangular array in phased array system toolbox
Are you trying to do the beamforming or simply want to see the radiation pattern steered? Here is one simple example showing the...

14 years ago | 0

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Answered
Facing some problem in uniform rectangular array
Hi Najam, The default operating frequency range of an isotropic antenna element is set to between 300 MHz and 1 GHz, as you c...

14 years ago | 0

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Answered
Median Filtering
Take a look at the following doc page http://www.mathworks.com/help/toolbox/images/ref/medfilt2.html

14 years ago | 1

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Multidimensional Array indexing to a single vector
sum(B(1:5,:)>10)>0

14 years ago | 0

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x-coordinate of peaks in 1D plot
You can use |findpeaks| http://www.mathworks.com/help/toolbox/signal/ref/findpeaks.html

14 years ago | 0

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two matrix problem
A=[1; 1; 1; 1; 1; -1 ;-1 ;-1 ;1 ;1 ;1 ;1 ;1]; B=[0.4; -0.2; -0.2; -0.25; 0.6; -0.3; 0.4; 0.2; 0.5; 0.3; -0.8; -0.9; 0.9]; ...

14 years ago | 0

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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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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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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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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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Answered
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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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