yes, i have signalprocessing toolbox,but i cant use '_resample()_' can you tell me about parameters (173 hz to 120 hz)? thanks.
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resampling signals in matlab 2012b
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Accepted Answer
m
on 16 Aug 2013
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17 Comments
Jan
on 16 Aug 2013
Edited: Jan
on 16 Aug 2013
Matlab help says:
y = resample(x,p,q) resamples the sequence in vector x at p/q times the original sampling rate, using a polyphase filter implementation. p and q must be positive integers. The length of y is equal to ceil(length(x)*p/q). If x is a matrix, resample works down the columns of x.
i.e. in your case p=120 and q=173, so:
x_resampled = resample( x, 120, 172 )
should do the trick.
m
on 16 Aug 2013
i want to import the eeg signal ,the file has 4097 numbers,i use import from menu then import it to a variable,and the file has one column... i think matlab has a bug with this function because when i try to run sample code of 'resample' i see this error again !
Walter Roberson
on 16 Aug 2013
Please post the result of
which -all resample
m
on 16 Aug 2013
Edited: m
on 16 Aug 2013
E:\edu\ARSHAD AI\classes\EVALUATIONARY ALGORITHMS\Project\Steps\Data\resample.m C:\Program Files\MATLAB\R2012b\toolbox\matlab\timeseries\@timeseries\resample.m C:\Program Files\MATLAB\R2012b\toolbox\ident\ident\@iddata\resample.m C:\Program Files\MATLAB\R2012b\toolbox\simbio\simbio\@SimData\resample.m C:\Program Files\MATLAB\R2012b\toolbox\matlab\timeseries\@tscollection\resample.m C:\Program Files\MATLAB\R2012b\toolbox\signal\signal\resample.m
More Answers (1)
Jan
on 16 Aug 2013
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Direct link to this answer
https://se.mathworks.com/matlabcentral/answers/84891-resampling-signals-in-matlab-2012b#answer_94423
⋮
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Direct link to this answer
https://se.mathworks.com/matlabcentral/answers/84891-resampling-signals-in-matlab-2012b#answer_94423
If you have the Signalprocessing Toolbox use resample() or decimate()
If not, look at interp1()
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