METHOD OF TECHNICAL JUSTIFICATION OF REQUIREMENTS FOR UNMANNED AIRCRAFT GROUPS DETECTION AND RESOLVING

Authors

  • Denys Koval Korolov Zhytomyr Military Institute

DOI:

https://doi.org/10.33099/2311-7249/2020-39-3-33-38

Keywords:

UAV detection, resolving, UAV group, adaptive antenna array, direction finding

Abstract

Modern unmanned aerial vehicles (UAVs) perform a wide range of tasks in the military sphere. The expansion of the range of such tasks causes constant technical improvement of both the drones themselves and the means of countering UAVs. The direction of tactics and technics for using drones as part of a group is rapidly developing.

The existing countermeasures have limited capabilities to detect UAV groups and resolve them in the group. Thus, there is an acute problem of group detection and resolving of UAV groups.

At the stages of analysis and assessment of this problem, the requirements for the detection and resolving of UAV groups must be technically justified.

The purpose of this article is to develop a method to improving the quality of detection and separation of UAVs as sources of radio emission (SRE), by improving the known method of technical justification of requirements based on the use of adaptive direction finders with superresolution.

As result of the study, it was found that the steepness of the change of the weight vector signal in the area of directions on SRE is much greater than the steepness of the angular spectrum peaks at the output of the adaptive antenna array. This property was investigated and used to increase the angular resolution of the UAV’s SREs in adaptive direction finder. The estimation of the boundary angular resolution is obtained by using the weight vector signal as an angular power spectrum depending on the parameters of the input signal.

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Published

2020-12-30

Issue

Section

Military cybernetics and system analysis