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subtraction of two signal in digital domain received from radar
Hi Lynette, I think you are talking about pulse canceller, which is a well known technique in MTI radar. Yes it can be used t...

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targeting a single piece of data from an array
min(min(x)) and max(max(x)) Or min(x(:)) and max(x(:))

alrededor de 13 años hace | 0

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Avoiding for loops problem
sum(bsxfun(@minus,permute(A,[1 3 2]),permute(B,[3 1 2])).^2,3)

alrededor de 13 años hace | 0

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sum function and add using loop
Here is an example that you have 10 elements and you add every two of them. x = rand(10,1); sum(reshape(x,2,[])).'

alrededor de 13 años hace | 0

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Number of computations in xcorr and fft
I believe |xcorr| uses |fft| internally, so it is essentially two FFT and one IFFT. The computation complexity of FFT is well kn...

alrededor de 13 años hace | 0

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How to segment a voice signal into frames of 256 samples?
Do you mean something like this? x = rand(1024,1); y = buffer(x,256);

alrededor de 13 años hace | 1

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how to pass a 13 bit barker code through a matched filter?
13 bit Barker code is well documented, see http://en.wikipedia.org/wiki/Barker_code As to the matched filter, in theory, i...

alrededor de 13 años hace | 0

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taking data from a matrix and summing to a new vector
Here is an example x = rand(40,8); sum(x(:,[3 4 5]),2)

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inserting vectors into a matrix
If your B is a 4x1 column vector, you can simply do A = [B A]

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How can I increase the text size of the MATLAB 2012b help documentation?
You can use Ctrl + to increase the font size.

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Plot for two range of x
Something like this? x = [0:0.01:1 nan 2:0.01:3] y = x./5 plot(x,y)

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MVDR fail with two identical target.
Hi Zohar, When you set the frequency of the second signal to 300 Hz, your two signals are identical. This represent the case ...

alrededor de 13 años hace | 1

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How to find unique pages in a 3d matrix?
You can try to reshape it to 2D first, then remove duplicates. For example A = cat(3, [1 2; 3 4], [5 6; 3 4], [5 6; 1 2],[1...

alrededor de 13 años hace | 1

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Bubble sort not working like I want it
This only gets the largest element to the bottom. You need another level of iteration to sort the rest of them.

alrededor de 13 años hace | 0

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Maintaining function evaluation count in a class method
You should be able to do this with a handle class http://www.mathworks.com/help/matlab/matlab_oop/comparing-handle-and-value-...

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How can I add a date vector for the x-axis of a normal plot?
You should be able to use |datetick| http://www.mathworks.com/help/matlab/ref/datetick.html

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Sorting an array for real only solutions or getting rid of complex results using embedded matlab function
try Sol = R(~imag(R)) and see if it is what you want.

alrededor de 13 años hace | 0

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i have a signal now i want to calculate the DC values of it
Theoretically, the DC component is simply mean(s1) If this is not what you want, could you elaborate a little more what ...

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linear chirp signal generation ?
It should be cos(2*pi*f.*t) instead of cos(f)

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Help to generate radar chirp signal
I suggest you to take look at Phased Array System Toolbox if you have access to it. http://www.mathworks.com/help/phased/ref/...

alrededor de 13 años hace | 0

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How to connect two digital filters in series?
You can use |dfilt.cascade| to achieve this http://www.mathworks.com/help/signal/ref/dfilt.cascade.html

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What is the difference between "phased.LinearFMWaveform" and "phased.FMCWWaveform"
Hi Ali, LinearFMWaveform is a pulse waveform, meaning that in general the system only transmit a very short period of time du...

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Concatenate cells: making column and row headers
table(2:4) = row; table(2:4,1) = col;

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Matlab OOP tutorial/resource needed
I would start from the resource below http://www.mathworks.com/discovery/object-oriented-programming.html

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Adding all previous to create a new row
You can use |cumsum| y = cumsum(x) You can also do filter(ones(1,numel(x)),1,x)

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time domain convolution not reversing frequency domain multiplication? ifft scaling isssues?
Looks like you are comparing the result of |conv| with the frequency domain multiplication? If that's the case, to achieve the s...

más de 13 años hace | 0

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Taking an IFFT of discrete numbers
Not sure if I understand your question correctly but just talking about IFFT operation itself, it has nothing to do with the fre...

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hiding legend in plot
I assume you have 5 handles, h1 through h5, but want to hide h4 from appearing in a legend. If that's the case, since you know a...

más de 13 años hace | 4

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delete rows in Matrix 'A' with same values 'c' in column 'b'
Here is an example: b = 3; c = [2 4]; A = perms(1:4); A(ismember(A(:,b),c),:)=[]

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copying values using if statements
say x is your matrix x = randn(54,1); x(x<0)= 0

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