https://www.mathworks.com/help/phased/ref/phased.sumdifferencemonopulsetracker-system-object.html
phased.SumDifferenceMonopulseTracker - Sum and difference monopulse for ULA - MATLAB
The SumDifferenceMonopulseTracker System object implements a sum and difference monopulse algorithm on a uniform linear array (ULA).
phasedsumdifferenceulamatlab