https://ch.mathworks.com/help/comm/ref/fskdemod.html
fskdemod - Frequency shift keying demodulation - MATLAB
This MATLAB function noncoherently demodulates the complex envelope y of a signal using the frequency shift key method.
frequency shiftkeyingdemodulationmatlab
https://www.mathworks.com/help/comm/ref/fskdemod.html
fskdemod - Frequency shift keying demodulation - MATLAB
This MATLAB function noncoherently demodulates the complex envelope y of a signal using the frequency shift key method.
frequency shiftkeyingdemodulationmatlab