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Do the functions FILTER2 and CONV2 perform correlation or convolution? …
I use the following syntax to specify a 7th order filter to be used in DECIMATE: decimate(rand(1:100),31,7); However, when I check the filter that is actually used by putting…
I perform the following code for a low pass filter and the response shown in FVTOOL displays a large range for the filter. [a b] = butter(2, 0.01, 'low'); fvtool(a, b); Howev…
Why do I get different results with row or column vectors when using the ROOTEIG or ROOTMUSIC functions in MATLAB 7.5 (R2007b) ? When I execute the ROOTEIG or ROOTMUSIC functions i…
I use the SPECTROGRAM function on a signal as shown below: T = 0:0.001:2; X = chirp(T,100,1,200,'q'); spectrogram(X,128,120,128,1E3); However, I would like to plot the mean-s…
I want to perform a Hilbert transform of 3-D array A of size M*N*L. When I use the MATLAB function hilbert(A); it gives me following errors: ??? Error using ==> .* Number of …
Why does the XCORR function in Signal Processing Toolbox 6.0 (R13) produce incorrect results when using sampled data? XCORR appears to produce incorrect results according to autoco…
Why does the BUTTER function return different results for Signal Processing Toolbox versions 4.3 (R11.1) and 5.0 (R12) on my PC? For example: samplingrate=500; lowend=.1; highen…
Beamforming is a signal processing technique used to control the directionality of the reception or transmission of a signal. I am looking for an example of beamforming using Signa…
Why do I receive an error message while returning values using the SPECTROGRAM function with the frequency location string specified in the Signal Processing Toolbox 6.3 (R14SP2)? …