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I have made a filter as following [b,a] = butter(9,.02,'low'); x=textread('noisy.out'); y=filter(b,a,x); save filtered.out y -ASCII I have 1000 files and I would like to filt…
I want to use the Signal Processing Toolbox to compute the Cross spectrum gain and phase for my sequences X and Y. I wondered the Cxy that cpsd gives me is in the units of dB? I sa…
hi, how do i plot the amplitude spectrum of speech segment with a given sampling frequency fs, a given length and known number of bits. thanis in advance …
For each index of a column vector , I want to compute the sum from index to index+spacing. spacing is an integer. My aim is not to use for-loop but I didn't manage to find a way…
I have created a filter using FDATOOL. When I export the filter to the workspace, it is stored as a DFILT object. When I extract the numerator and denominator of this object and pa…
Why do I receive an error "Undefined function 'cos' for input arguments of type 'int32'" in Signal Processing Toolbox 6.16 (R2011b)? I have written a function in MATLAB that uses…
I have what I think is a rather simple question. I have a three column matrix of the times of peaks calculated from three common-time-base vectors. I know how many peaks there sh…
I would like to find the FFT of a time series with nonuniformly spaced samples. …
I would like to design an odd ordered FIR raised cosine filter using the following code: coefs = firrcos(255, 364e3/2, 0.4, 17.6832e6, 'rolloff'); When I do so, however, the …
Hi! I recently recorded an EEG signal at 50K Hz sampling rate. The signal was band passed at 1-500Hz before it was digitalized. Now I wanted to do a digital fitlering to this dat…