David Santos
Universidad de Vigo
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Question
Time to peak using findpeaks
I'm using findpeaks to locate multiple peaks in my function but I want to know the rising time to the peak. Findpeaks gives you...
3 mois il y a | 1 réponse | 0
1
réponseQuestion
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....
plus d'un an il y a | 1 réponse | 0
0
réponseQuestion
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...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
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...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
environ 4 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 4 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 4 ans il y a | 1 réponse | 0
1
réponseproblem 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.
plus de 6 ans il y a | 0
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...
plus de 6 ans il y a | 0
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...
plus de 6 ans il y a | 0
Question
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...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 7 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
environ 13 ans il y a | 1 réponse | 0
