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David Santos


Universidad de Vigo

Last seen: Today |  Con actividad desde 2012

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Estadística

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Find a portion of a signal using dtw ?
I have the two attached signals and I want to know if "ref" is included somehow (time warping could happen) inside "det" signal....

3 días hace | 0 respuestas | 0

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How findsignal dtw option works?
Hi, I would like to know how findsignal using dtw aligment works, but the documentation is confussing for me. I think is sli...

18 días hace | 1 respuesta | 0

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Template matching between 1d frequency curves using normxcorr2
Hi, I'm trying to use 2d cross correlation between 1d dimensional frequency curves (frequencies between 6000 and 22000 Hz) to f...

21 días hace | 0 respuestas | 0

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When trying to fill timetable gaps retime puts everything NaN
I have a big timetable with different kind of data as 8xdouble, char arrays etc The timetable is organized in seconds with data...

6 meses hace | 1 respuesta | 0

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How to obtain the same output in spectral descriptors, using frequency and time domain inputs?
All matlab spectral descriptors as spectralSlope, spectralKurtosis,ect have the choice to use a time domain or a frequency domai...

alrededor de 1 año hace | 1 respuesta | 0

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Storing 200GB audio spectrograms in a tall table, is this possible?
Hi, I'm processing 200GB of 1 minute audio files in a way that for each file I store in a table the filename, a timestamp and...

más de 1 año hace | 1 respuesta | 0

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dsp.SpectrumAnalyzer spectrogram with horizontal time axe
Is it possible to get the dsp.SpectrumAnalyzer spectrogram scope with the time in the x-axis? So the continuous realtime plot ...

más de 2 años hace | 0 respuestas | 0

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Export Quadratic Discriminant classifier model to python
Hi, I've been working with the "Classification Learner" App and after a some test I've finally reached to a Qadratic Discrimina...

alrededor de 3 años hace | 1 respuesta | 0

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Add rows to a table in a parfor loop
Hi, I'm trying to add a row to a Table inside each iteration of a parfor loop, simplified would be something like this: T=tabl...

más de 3 años hace | 1 respuesta | 0

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problem using system command in Linux
Hi, try this wrapper. It worked for me commenting line 26 and arranging the rest of lines. All the best.

casi 5 años hace | 0

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Compute mean and diff faster
I will recomend you to put all your data in a big .mat matrix using matfile(doesn't load all the data in memory just the necessa...

casi 5 años hace | 0

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big data 2d matrix percentile calculation using tall
Thanks a lot for your answer Edric! I'm not sure how to solve point 1. Here's my simplified loadPrc: function dataOut=loadPr...

casi 5 años hace | 0

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big data 2d matrix percentile calculation using tall
I'm trying to calculate a percentile of a lot of files (25000 or even more) containing 4x1 cell, representing 4 maps or 1483x282...

casi 5 años hace | 2 respuestas | 0

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Big data percentile calculation
Hi, I have a large set (30.000) of mat files each one of them containing a 4x1 cell array of 1483x2824 double, 4 matrix for eac...

casi 5 años hace | 1 respuesta | 0

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Polar map to cartesian grid
Hi, I'm working with data in polar coordinates: rr=vector of distances, 1x2029; bearings=angles, 1x180; TLp= z value at each...

más de 5 años hace | 0 respuestas | 0

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How to increase the bandwidth using fdesign from [20, 20000] to[20,50000] ?
Hi, i'm designing my 1/3 octave filters using fdesign in the way that is in the help section of the function: f.Bands...

más de 11 años hace | 0 respuestas | 0

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