MATLAB QUESTIONS & EXPERT ANSWERS

I have an audio signal (.wav) and would like to view its spectrum in matlab. Can anybody help me in this manner?...

Matlab chirp function will generate cosine-based chirp signal, say from f1 to f2 with 10MHz linear chirp. How to modulate the signal to a carrier at f...

I am trying to calculate derivatives of a signal, using sgolay filtering, as the signals are slightly noisy. I have a working function, see below. How...

I know that XCORR calculates linear cross-correlation function estimates, but I wonder if there is a function that calculates circular correlation....

When I use the DECIMATE function using the following command:     load p3.txt plot(p3(:,1),p3(:,2),'k.'); grid on; hold on; y=decimate(p3(:,2),31); ...

I am using the "rpmtrack" function in the MATLAB R2018a prerelease. When my "x" signal input has ~ 10e5 elements, the "rpmtrack" function takes 15 min...

How is the dithering generated and applied for the NCO (numerically controlled oscillator) block in Signal Processing Blockset 6.5 (R2007a)? I would l...

When using the "kaiser" function in the Signal Processing Toolbox, I find MATLAB to go into a 'Busy' state and remain there indefinitely. Upon some fu...

I am trying to implement a real-time filter so am using MATLAB's butter() function to generate the needed [b,a] vectors [b,a] = butter(4,4/35,'low'); ...

I have been working on code to use the FFT to find the amplitude of a signal. However, despite my best efforts to window I seem to get incorrect ampli...