Informative features for electromagnetic detection and recognition of biological objects

The relevance of the study is due to the need to improve the reliability and efficiency of physical protection systems of protected objects in the face of growing security threats, which is possible through the use of more sensitive and selective methods of identification of intruders, which includes the developed method – electromagnetic detection and recognition of biological objects (BO). The purpose of the work is to study the bifurcation process of interaction of external electromagnetic field of radio wave range with the electromagnetic shell of a living organism to substantiate, evaluate and calculate informative features of electromagnetic detection and recognition of BO with the subsequent formation of a dictionary of typical features. The study is based on the previously developed mathematical model of a BO, which is refined and supplemented by analyzing the scientific literature devoted to the study of bioradioinformative technology and bioelectromagnetism. In the course of the work, the conditions and modes of functioning of a biological medium generating electromagnetic radiation are determined and described, depending on the combination of energy and frequency parameters of the external field with the characteristics of this medium. The nomenclature of the most informative signs of electromagnetic recognition – bifurcation parameters characterizing mass, dimensions and electrodynamic properties of a bioobject – is proposed and substantiated. Analytical expressions for calculating the features of classification of BO are derived, confirmed by the results of computational experiment. A dictionary of intruder attributes is developed, providing the possibility of informed decision-making about the presence of an object in the controlled space, its belonging to a certain class and motion parameters. The presented results can be used in the development of means of intruder identification for security and territory monitoring systems.

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