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human voice frequency between 200h to 3200h
Let's say the passband is between 200 and 3200 Hz and the stop band is 100 and 3300 Hz, you can use a Butterworth filter Ws...

13년 초과 전 | 0

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i want to filter a frequeny... ?
There are several issues in your code # your sample rate is 100Hz, not 1000Hz as you claimed # you specified a filter order ...

13년 초과 전 | 1

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fprintf command issue. tricky columns.
The trick is |[a;b]|, like this fprintf('Variables A : %.f | Variables B : %.f\n',[a;b]);

13년 초과 전 | 4

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FFT of Cosine wave in Matlab
Hi Sufyan, First of all, please delete the duplicate posts so people can contribute at the same place. The power spectrum...

13년 초과 전 | 1

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sum every 24 rows in a vector
Not sure what your end format is, but the following code adds every 24 rows and retain all the results in one column reshap...

13년 초과 전 | 0

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FFT based adaptive MVDR beamforming
Looks like you are doing subband MVDR. It should be the frequency for each corresponding band.

13년 초과 전 | 0

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How to use Window functions?
Applying Fourier transform directly in one domain generates a first sidelobe at -13dB in the transformed domain. In a lot of app...

13년 초과 전 | 1

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How can I change the displayed format of exponentials in an axis tick label?
Instead of using sprintf('%1.0e |',n) use sprintf('10^%d |',log10(n))

13년 초과 전 | 0

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how can i calculate -3dB of given picture?
You could do 3dB in U and V direction separately along 2D cut.

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How can I extract column vectors from matrix (with large number of columns) ?
Here is a simple example. Not sure if it's exactly what you want, but it may get you started x = magic(3) y = mat2cell...

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How to compute the value in one point through the transferfunction?
I think the following is what you mean. s = tf('s') H = s/(s^2+2*s+10) evalfr(H,1+1i)

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Experiences with release 2012b
The two features I like the most in the new interface 1. From Editor tab, Run and Time button. 2. The entire Publish tab, ...

13년 초과 전 | 1

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Arrange (array of 9 numbers) in ascending order. (no sort)
You can do B = unique(A) But seriously, are you trying to implement a sort algorithm in MATLAB? If so, there are many a...

13년 초과 전 | 1

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quick syntax question for saving run time
ind = sub2ind(sz,repmat((1:sz(1))',1,sz(2)),repmat(1:sz(2),sz(1),1),... matrixWhereItOccurs); accum_arr(ind(:)) =...

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calculating the integration, arrayfun problem???
First of all, like @Azzi mentioned in the comment, your |y| is unused. It's not clear what you want to do, but exp(((si...

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fzero help
The anwser is in the comments above From Matt Fig rt = 0; d = .1; cnt = 1; while rt<.1 rt = fzero(y,rt+d...

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array: concatenate two columns of integers to one colum
a = randi([1 100],[5 4]) % a 5x4 integer matrix b = cellfun(@num2str,{a(:,2:3)},'UniformOutput',false) c = cellfun(...

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Inability to clear object definition - nonfunctional "clear classes"
This normally means your class is still referenced somewhere. The following link may be helpful (the second half directly talks ...

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How can i can convert A matrix to the type i want
Here is another one A.*~eye(size(A))

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How can i can convert A matrix to the type i want
A(1:size(A,1)+1:end) = 0

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How is the Phased Array Partitioning Model supposed to be used?
Hi Michael, Since you have a phase shifter behind each element, there is really no need to go through ParitionedArray. Instea...

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How to design a bistatic radar system?
Hi Liangjun, You are right that the reflection direction will be different for a bistatic system compared to a monostatic sys...

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To generate a random signal with the given PSD
Normally this is done by generating a filter according to the given PSD and then pass a white noise through the filter.

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What is the relation between DFT and PSD of a signal
It can be shown that PSD can alternatively be estimated by the square of magnitude of FFT. You should be able to find it in most...

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how to switch the value of a boolean.
b = ~a; c = ~b; or if you are looking for the functional form b = not(a); c = not(b);

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how to generate white Gaussian noise
You can use |imnoise| from Image Processing Toolbox http://www.mathworks.com/help/toolbox/images/ref/imnoise.html

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How can I make this following matrix
A = [1 2 3 4;3 2 1 4] B{1} = [1 1 1;1 1 1]; B{2} = [2 2 2;2 2 2]; B{3} = [3 3 3;4 4 4]; B{4} = [4 4 4;3 3 3]; C...

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How can make code to present this following case?
A = [1 2 3 4;3 2 1 4] B{1} = [1 1 1;1 1 1]; B{2} = [2 2 2;2 2 2]; B{3} = [3 3 3;4 4 4]; B{4} = [4 4 4;3 3 3]; R...

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Can i use real measurements as an group delay input in the fdesign.arbgrpdelay?How can i simulate,a filter through its group delay?
It looks like you didn't specify the weights in your code after 'Weights' parameter, try Hgd = design(hgd,'iirlpnorm','Weig...

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FFT filter problemnot consistent responce (fdesign.arbgrpdelay)
Hi George, You designed an arbitrary group delay filter, so there is no frequency content change. What it does is to delay di...

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