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Best way to remove UNWANTED 50Hz from the signal vector
You can use a notch filter. See documentation and example below http://www.mathworks.com/help/toolbox/dsp/ref/iirnotch.html ...

約14年前 | 1

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How does one model a rotating antenna for an ATC radar in phased array?
Hi Keketso, Phased Array System Toolbox currently does not have built in support for rotating motion. However, it is possible...

約14年前 | 1

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How to tell if two signals are similar
Perhaps you are looking for a scalar quantity to represent the similarity between two signal as is? If that's the case, you basi...

約14年前 | 0

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Creating a N-Dimentional matrix from a 2 Dimentional matrix
a = [1 2 ;3 4] b = reshape(repmat(a(:),1,100),[size(a) 100]);

約14年前 | 0

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Replace nan's with blanks
B(cellfun(@isnan,B)) = {[]}

約14年前 | 2

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how do i run my signal through a filter i designed with filter design tool
Please format your code in your question. I'm not sure what you mean by plot(h,'nik') but if you want to filter the sign...

約14年前 | 0

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Convolution using filter: implementation
Your b and a represents an IIR filter while your g represents an FIR filter. Depending on what your original coefficients are, o...

約14年前 | 0

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for loop in matrix names (Syntax)
try eval(sprintf('ret%d',g)) But please read the following link http://matlab.wikia.com/wiki/FAQ#How_can_I_create_var...

約14年前 | 1

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How can I convert values in a cell array into a form that can be used for calculations?
x = cellfun(@str2num,y,'UniformOutput',false)

約14年前 | 0

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Can any one please help me with the following code?
As Walter mentioned, ' operator is conjugate transpose. As to this case, because k is real, it is simply transpose to make it a ...

約14年前 | 0

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How to Determine the impluse response and provided a plot of the frequency response of the designed filter. by using Matlab software
I would suggest you to read the documentation for several functions. Simply type these commands in your command window doc ...

約14年前 | 2

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Delete a plot in GUI rutine
Use set(h2,'YData',y) to replace the line.

約14年前 | 1

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Creating vector of all numbers in a cell array.
You can do AContents = [A{:}]

約14年前 | 1

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Why did I receive this error with inline
I see several issues: # You should use + instead of .+ # The error is due to the fact that there are three variable in your ...

約14年前 | 0

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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

約14年前

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

約14年前

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Zero Padding Problem with FFT Square Wave Pulse
R1 is correct. If all you want is to do zero padding and then FFT, you can do it by specifying the number of FFT points in fft()...

約14年前 | 1

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I have a 20x1 vertical matrix. I want to take the averages of the pairs in order and display them in another matrix. How?
x = rand(20,1); y = transpose(mean(reshape(x,2,10)))

約14年前 | 1

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I am using a butterworth filter (scripted below) and the script jams with this error response
Hi Katherine, Is the result of which butter same for both installations? It sounds like you have a custom |butter| on...

約14年前 | 0

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FFT is finding a max amplitude at 0 Hz
You need to remove the DC component first. Just do x = x-mean(x) or x = detrend(x) before applying FFT

約14年前 | 0

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Question regarding matrix manipulation
Y2 = interp1(X1，Y1，X2，'nearest')

約14年前 | 0

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how to delete specific entries (based on a condition) in an array?
You are changing a every time when you found an element less than 18, so when the iteration gets to the original array length, i...

約14年前 | 0

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Index Non-Empty Cells in Cell Array
x = {1,[],[],[]}; find(~cellfun(@isempty,x))

約14年前 | 33

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Displaying loop index in a string
input(sprintf('input value for ele(%d)',k))

約14年前 | 2

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Removing NaN from cell array
x = {'xy','yz',nan} x(cellfun(@(x) any(isnan(x)),x)) = []

約14年前 | 4

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Simple question regarding sorting
x = [1 3 5 7 9]' y = [1 2 3 4 5]' unique(sort([x;y]))

約14年前 | 0

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What is the flag button on questions for?
It is explained here: * <http://blogs.mathworks.com/community/2012/06/27/new-features-in-matlab-answers/> * <http://www.mat...

約14年前 | 1

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How can I obtain the coordinates(x,y) from my plot?
You can try to get the handle of the plotted object and then get XData and YData out of it. Here is an example h = plot(1:1...

約14年前 | 1

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coverting z transform transfer function equation into Difference equation
http://www.mathworks.com/matlabcentral/answers/21054-can-matlab-give-me-difference-equation-from-transfer-fucntion

約14年前 | 0

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FInding duplicates in matrices
In your program, your element under test is board(jj,ii) while in the result, you are using board(ii,jj),so they are not consist...

約14年前 | 0