CONTROLLING THE ANTENNA'S DIRECTIONAL CHARACTERISTICS TO ADAPT TO THE DIRECTION OF THE NOISE SOURCE, TAKING INTO ACCOUNT THE MINIMUM ERROR OF THE ANGULAR COORDINATE MEASUREMENT

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Abstract

Modern combat is characterized by the speed of changing air situations very quickly and complicated. Modern radar stations use active phase network antennas to enable quick adaptation to such situations. It allows improving the ability of anti-jamming positives caused by opponents and interference from other electronic means. However, the calculation of parameters and the design of active phase network antennas require high technology requirements, complicated technical solutions. In the article, the parameter estimation methods of the active phased array antenna system are presented to adapt the variable directional characteristic towards the source of noise to maximize the signal/noise ratio at the receiver input, taking into account the minimum angle measurement error, as a basis for the calculation and design of antenna systems of multifunction radios. The basis of this method is mathematical analysis and simulation of the dependence of the shape of the directional diagram of the adaptive phase network antenna positively on the power distribution and signal phase of the emissive elements. The model of active adaptive phase network antenna selected to be surveyed is a linear planar network.