AOA with merged measurements from monopulse data

A key assumption in monopulse based angle-of-arrival (AOA) estimators is that at most one return is present in each range cell, or equivalently in each sample of the matched filter output used to implement range compression. These algorithms break down if the data consists of merged measurements - multiple target returns contained in the same range cell. The proposed technique makes use of data from a three channel monopulse radar to estimate the AOA of merged measurements. The paper focuses on the development of the new algorithm along with computer simulations that demonstrate its viability.