Stability criterion of radar angle tracking systems in real time under conditions of polarization jamming

In this article a stability criterion is proposed which is determined by solving the differential equation system. The solution is not sensitive to significant changes in the characteristic roots under small matrix perturbations of the system. A computational procedure is obtained which allows to determine the stability of automatic control system in real time without additional receiving channels on the cross-polarization. The proposed criterion has shown good agreement with the experimental data. Well-timed detection of the forthcoming loss of the automatic target tracking provides an opportunity to protect the system in automatic mode and therefore minimize jamming effects.