MATLAB QUESTIONS & EXPERT ANSWERS

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, 0.0...

Why does the  Signal Processing Toolbox 6.1 (R13SP1) cause MATLAB to crash when I use BUFFER with an input that is a cell array? When I run the code:...

I have some data in  MATLAB that represents power density measured in dBW, and I would like to convert the data to units of dBm.  ...

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 RO...

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...

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: ???...

Why does the XCORR function in Signal Processing Toolbox 6.0 (R13) produce incorrect results when using sampled data? XCORR appears to produce incorre...

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:   sampl...

Beamforming is a signal processing technique used to control the directionality of the reception or transmission of a signal. I am looking for an exam...

When I use the following code:     wvtool(chebwin(4096,30)) The main lobe of the time response does not have a peak at 1.0 as expected. However, if ...