The article improves the efficiency of counteracting unauthorised access by using algorithms and a protocol for monitoring information security in fibre-optic transmission systems and access networks with the help of the proposed software, which functions as part of a combined (hardware and software) method of protecting optical information flows in FOCLs. The principles of building network protocols are investigated. The functionality of the developed algorithms and the protocol for monitoring the information security of fibre-optic transmission systems is substantiated. The algorithms for stopping and restoring the transmission mode for the subscriber and linear sections of the optical network based on GPON and GEPON technologies, as well as the protocol for monitoring the information security of fibre-optic transmission systems are developed. The practical significance of the work is to improve information security through the use of a combined security control tool that operates on the basis of the developed algorithms and the information security control protocol.
This work is the result of a study of the impact of photonic technologies on increasing productivity in agriculture. Mathematical models are presented that consider how external optical radiation affects the growth and productivity of crops. Analytical expressions are proposed for the distribution of the electromagnetic field inside a spherical grain. The model must take into account not only the characteristics of the incident field, but also the electrical and geometric characteristics of the cereal grains themselves. A model is considered when a light wave is incident on a spherical surface, the length of which is less than the size of the sphere by about three orders of magnitude. Also, based on the calculations, photonic matrices of the matrix for experiments were made. The main stages of system analysis of an automated control system for low-energy LED radiation are graphically presented.
A method of visualization of surface and volumetric caustics of reflected and refracted light on mirror surfaces in volume and on functionally specified surfaces consisting of patches of free forms is proposed. Caustics are surfaces near which the intensity of the light field increases sharply. The visualization method tracks the rays of light in the light space when displaying mirror surfaces. Light rays are projected from light sources onto patches of free-form scenes. The limiting volumes of caustic rays are determined, thereby reducing the number of calculations. Only caustic rays are calculated, which make the main contribution to the resulting image.
Influence of respondents' state of health among the employed population was revealed, in particular, depending on the status of the settlement. It is found out that the preservation, strengthening and accumulation of human capital for the health of citizens depends, in particular, on the effectiveness of the combination of decentralization reform and medicine. The model of electronic management of public health (on the example of the territorial community of Vinnitsa region) is offered. It is reasonable that an important element of the above model at the initial stage of implementation is to obtain synergies from the introduction of electronic document flow, which allows motivating members of territorial communities to self-preserve human health capital.
In this article, for the first time, economic and statistical methods are used to study the interaction of innovation and investment activity and competitiveness at the regional level. The Granger test and the correlation and regression analysis are applied for the comprehensive study of individual and joint impact upon the region's competitiveness and its innovation and investment activity. The Granger test provides an opportunity to identify cause-effect relationships between the indicators of innovation and investment activity in the region. Accordingly, pairs of indicators of innovation and investment regional activity are identified and grouped together in accordance with the presence of connection, strength and direction of impact.
KEYWORDS: Information technology, Mathematical modeling, Digital micromirror devices, RGB color model, Digital photography, Cardiovascular system, Blood pressure, Heart, Systems modeling, Animal model studies
The paper aims to study the criteria of harmony by example of protective coloration for antelopes and dynamics of the parameters for human cardiovascular system at different stages of obesity. The criteria of harmony reflecting the adaptive mechanisms of the biological objects under consideration are obtained. In the case of antelopes (Taurotragus oryx), criteria of harmony chosen were colorimetric parameters of protective coloration, subjected to change due to the domestication of these animals. In the case of the human cardiovascular system, the parameters of heart rate, systolic blood pressure and diastolic blood pressure were selected. The results of the simulation show that the increase in body weight, due to hypodynamia in women, leads to a deterioration of the harmony of the dynamics of the cardiovascular system. As a criterion of harmony, the variety of combinations of values observed in the cycle of changes of these parameters built in the result of modeling is used. A similar dependence takes place in the example of protective coloration of antelopes. As a criterion of harmony, in this case, a variety of combinations of colorimetric parameters of the protective color of antelopes is used. The results of mathematical modeling obtained in the work allow us to propose a new approach to finding a universal criterion of harmony of living systems related to biodiversity and adaptation to living conditions.
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