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blackman window filter design
You can use |fir1|, the second example in the doc is close to what you want http://www.mathworks.com/help/signal/ref/fir1.htm...

environ 13 ans il y a | 0

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About Kalman Filter Configuration
Very likely you will not be able to use in in R2011a because the new feature could be using new background infrastructure shippe...

environ 13 ans il y a | 0

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what this error means ...and what i shd do to sort it out????
It looks like you don't have |videoinput| function in your installation. You need to have Image Acquisition Toolbox to have that...

environ 13 ans il y a | 0

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window - sidelobe attenuation level
That's the tradeoff you need to make. There is no free lunch so you just have to find a balance between the two. If you want, yo...

environ 13 ans il y a | 0

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i want frequency domain spectrum of an audio file but i am not getting right frequency range. it is showing freq. range upto 100 kHz but i want to get it upto 10 kHz. what is the problem in frequency range?
Your |f| is incorrect, assuming the number of elements in |y| is even, it should be N = length(y); f = (-1/2:1/N:1/2-1/N...

environ 13 ans il y a | 0

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FIR Low Pass Filter Response doesn't match the specs provided
What is your sampling frequency? It reads like 6.5 MHz? If that's the case, I'll suggest you to down sample first if you are onl...

environ 13 ans il y a | 0

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How to used firpm.m function?
That is your frequency vector that contains the boundaries of your pass bands and stop bands. In your example, it means that you...

environ 13 ans il y a | 0

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how to get plot spectrum for this function of DOA?
Hi Ali, Unlike beamscan or MVDR, ESPRIT is not a spectrum based algorithm. So the result of the algorithm is the angle itself...

environ 13 ans il y a | 0

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FMCW plot with 5e-6 sweep time
Hi Ali, You can work around this as described in the following bug report. http://www.mathworks.com/support/bugreports/det...

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Communication Toolbox for students
http://www.mathworks.com/academia/student_version/companion.html According to the page, you can add it to your student versio...

plus de 13 ans il y a | 1

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how to interchange array elements
Not sure if this is what you are looking for, but here is one way to do it, as long as you know the order y = x([5 2 3 4 1]...

plus de 13 ans il y a | 0

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Converting between datestr and datenum - what am I doing wrong?
To use |datenum| using the string form, it has to satisfy certain format. Yours is not one of them. If you change your start dat...

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Problem Matched Filtering in Matlab.
This is because you are using an older version of Phased Array System Toolbox. Technically, you just need to replace the followi...

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Why are sine and cosine values inaccurate?
Those are floating point errors. If you want exact zeros, you can use sind/cosd, although they are slower sind(180) cosd...

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How can I use the step function for the swerling models with the UPDATERCS?
Hi Mehmet, When you turn on Swerling mode in a radar target, you need to manage when to update the RCS in your simulation by ...

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Beamforming with 4x4 Microphone Array
Not sure what the dimension is for your variable heart and A, but x = A([sig_idx(1) sig_idx(end)]); seems to suggest tha...

plus de 13 ans il y a | 0

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Linear Spatial Filtering , How to create the filter?
I assume you want a 5x5 Gaussian filter? Otherwise, if you set the above equation with x,y=5 and sigma = 1, it's just a number, ...

plus de 13 ans il y a | 0

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how to convert discrete data to continuous data?
You need to specify the sample time in |ss|, something like ss(A,B,C,D,Ts)

plus de 13 ans il y a | 1

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Read txt files from the folder one by one in for loop?
You can take a look at |dir| command doc dir For example, d = dir(pwd) returns a structure d, holding informatio...

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Defining particular values of a function
Since you are comparing the number, it should be n==1

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Can anyone please clarify "what's the difference when a matrix is declared as zerosfrom ones"?
zeros is recommended to be used for preallocation purpose. Below is the link to the documentation. See the section Preallocating...

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How to normalize the data?
If I understand you correctly, say your data is x, you basically want 10*log10(x/max(x)) However, it also looks like you...

plus de 13 ans il y a | 1

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how to draw horizontal radiation pattern?
You can use Phased Array System Toolbox to do this. There are some examples in the documentation if you haven't seen it yet h...

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Ambiguity Function of FMCW waveform
You could technically do it the same way, e.g. hw = phased.FMCWWaveform('SweepBandwidth',1e7,'SampleRate',2e7,... 'S...

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Phase plot for a simple digital filter looks wrong
Hi Ted, In your equation, it should be b = [0 1.28] HTH

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'mtimes' error and how to fix it
Your F function requires an input, so you need to call it with an input, such as F(3)

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Normalize histogram of normally distributed data
You just need to normalize it toward the number of points x = randn(1024,1) [n,b] = hist(x) bar(b,n/sum(n))

plus de 13 ans il y a | 1

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How do I stop a function from displaying output matrix without using semicolon in command window?
Try using function varargout = instead of function newimg =

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How to concatenate cells?
I think you just need to do for i=1:1150 xx{i}=[xxp{i}; xxq{i}]; end Alternatively, you can do xx = ce...

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Operations on portions of matrices to the end of the matrices.
Why not just use a for loop? Let's say your K is 12 rows, so Niteration = 12/4; K_structure = zeros(size(Beta,2)); ...

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