KEYWORDS: Surveillance systems, Adaptive optics, Radar, Signal detection, Data processing, Control systems, Statistical analysis, Signal to noise ratio, Signal processing, Radar signal processing
The structure of information support for the airspace control system based on combined radar surveillance systems has been substantiated and investigated. This makes it possible to improve the quality of the detection of air objects, as well as to assess the accuracy of the location of the detected air objects. As a result, this improves the quality of information support for decision-makers in the airspace control system.
A method of azimuthally invariant 3d Mueller-matrix mapping of the distributions of the parameters of phase and amplitude anisotropy of partially depolarizing layers of high-quality (group 1 - high density) and low-quality (group 2 - low density) polyethylene polymer films has been proposed and substantiated. layer-by-layer coordinate distributions of the magnitude of the set of Mueller-matrix invariants (MMI) of polymer films of both types were obtained in the volume of polymer samples.
The purpose of this study is to develop a fuzzy expert system based on the analysis of biomedical images for the diagnosis of oncological diseases using breast cancer as an example. The main directions of application of mathematical methods in medical diagnosis are analyzed, their drawbacks are evaluated, and principles of diagnosis, based on fuzzy logic, are formulated. Mathematical models and algorithms are developed, formalizing the process of diagnostic decision-making based on fuzzy logic with quantitative and qualitative parameters of the patient's condition; mathematical models of membership functions are developed, formalizing the representation of quantitative and qualitative parameters of the patient's condition in the form of fuzzy sets, used in models and algorithms for diagnosing and determining the diagnosis in the case of breast cancer.
The work is aimed at the development and experimental testing of the polarization-correlation method for the analysis of the polycrystalline structure of biological layers. introduced a new parameter-complex degree of mutual anisotropy. the statistical (statistical moments of the 1st – 4th orders) structure of the distributions of the values of the cdma module of spatially structured fibrillar networks of histological sections of the myocardium that died due to mechanical asphyxia and heart attack was experimentally studied.
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