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Vilnis Liepins


Last seen: 25 días hace |  Con actividad desde 2013

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Respondida
plomb ifft sequence??? please help me!!!!
I suggest to try Extended DFT available on fileexchange https://www.mathworks.com/matlabcentral/fileexchange/11020-extended-dft ...

4 meses hace | 0

Respondida
Adjoint / inverse nufft
Hi Victor, You can improve the inverse of NUFFT if take into account that the length of signal in time is 700.5 sec and choose,...

más de 1 año hace | 0

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Respondida
Use nufft in stft - Non-uniform sampling for use in spectrogram for a time-series analysis
Hi mack, As an alternative approach to 'nufft' you can try 'edft' function available on fileexchange Extended DFT - File Excha...

alrededor de 2 años hace | 0

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MATLAB Fouriertransform with nunequidistant values
You can apply File Exchange program 'nedft' available on <https://se.mathworks.com/matlabcentral/fileexchange/11020-extended-dft...

más de 6 años hace | 0

Respondida
Hi. Could you give me some advice on how to import some txt data in MAtlab and perform FFT on the data?
Hi Angelo, If the above recommendations do not help you to get the DFT of your data then you could explore one more option - ...

más de 6 años hace | 0

Respondida
Could you please let me know how to write code to draw the power spectral density (PSD) vs frequency for my data? Thanks.
Hi Ray, Your data are: amplitude=[0.707 0.694 0.703 0.699 0.694 0.686 0.686 0.706 0.713 0.719 0.704 0.69 0.697 0.702 0.705...

más de 6 años hace | 1

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Respondida
How do I convert a time domain signal to frequency domain?
Actually they are specified in your post: >> value = [42007935 111212895 184546560 238219725 238219725 184546560 111212895 42...

más de 10 años hace | 0

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How do I convert a time domain signal to frequency domain?
Hello, To convert nonuniform time domain data to frequency domain you can use Extended DFT (program NEDFT.m) available on fil...

casi 11 años hace | 0

Respondida
how to extend time after fft ?
You can try edft.m on fileexchange http://www.mathworks.com/matlabcentral/fileexchange/11020-extended-dft ifft(edft(YourData,...

más de 11 años hace | 0

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