Summary: In the short-wave area of a spectral characteristic of solar cells (SС) where the frontal layer of structure is responsible, sharper recession of sensitivity is observed. In article results of research of process of diffusion of impurity are given to single-crystal silicon through oxide coverings of SiOx and their influence on transformation of characteristics of structures of SС.
Key words: solar cells, short-wave part, protecting cover, effective thickness, spectral characteristic.
Summary: In this article analyze the basic methods of MetidaBSE technology transfer media data and then splitting to the video and audio streams. Conducted subjective experts and made physical simulation system using the above technologies. Based on the research of two variants development of the system was shown which option is better.
Tags: Expert opinion, WebRTC, RTSP, MetidaBSE.
Abstract: A physical model and mathematical description drying of paste titanium dioxide. The solution of the mathematical description of a dependency of moisture content and temperature of TiO2 particles from the drying time and the main process parameters, which are necessary for further experimental studies and design of industrial drying equipment.
Keywords: model, drying, physical, mathematical, fine, paste, powder.
Summary: This article analyzes the main methods for evaluating the quality of voice traffic in the network, the quality of the evaluation criteria of network traffic according to QoS and E-model. Comparison of subjective and objective methods of assessing the quality of the voice traffic. The research results were modeled and are illustrated in the example of the multi-network models. The influence of the technical characteristics of the network on the subjective assessment of the quality of voice traffic in the network. Based on studies conducted by the authors have shown that the QoS parameters have a significant influence on the quality of the voice traffic in the network
Key words: QoS, MOS, E-model, R-factor, Quality, network.
Annotation: The analysis of forming trains of wagons loaded dangerous goods at railway stations of Ukraine. Determined that dangerous goods constitute the largest share of the total volume of goods transported by rail. Considered regulations governing the procedure for the formation of dangerous goods trains.
Keywords: dangerous goods, forming trains.
Summary: The operating system takes one of two variants when solving any memory management problem. The first variant is dividing things into variable-sized pieces and it is called segmentation. It has inherent difficulties, when dividing a space into different-size chunks. The second variant to divide space into fixed-sized pieces and it is called paging. It may be worth considering the second variant and system that uses this variant called paged systems. The choice of the data structure for paged systems significantly effects on the performance of paged systems. In this paper, as a data structure we take Inverted Page Table (IPT), which optimizes parameters as a size of memory occupied by the page table and the time to transformation virtual address into physical address.
Key words: Inverted Page Table (IPT), virtual memory.
Abstract. The article conceptually describes the main tasks aimed at transport safety advancement and strengthening of national interests of Ukraine in the transport sector. It is noted herein, that the national interests in the transport sector are provided by governmental authorities, which perform their functions based on Ukrainian legislation in the field of transport safety. At the same time, they realize transport safety through implementation of the unified state policy in the field of transport safety, the system of economic, political, organizational and other measures that are adequate to the threats to vital interests of individuals, society and the State in the transport sector.
Key words: transport safety, transport sector, national interests.
Summary: This paper describes the method of bankruptcy risk analysis using fuzzy-set approach and counterpropagation neural network.
Key words: bankruptcy, fuzzy logic, counterpropagation neural network.
Summary: This paper investigates logistic regression and scorecards usage for creation of the behavioral model for the bank’s customers.
Key words: logistic regression, scoring, marketing proposal.
Summary: This paper investigates R-Tree structure usage for “Predator” tracking algorithm optimizations.
Key words: tracking algorithms, on-line tracking.
Summary: Conducted research of texture recognition methods in context of images from drones.
Key words: multyfractal spectrum, filter, neural network.
Summary: the problem of constructing an effective information security system is solved with the use of the system and the project approach, which not only fully take into account the types of objects informatization, but also allow transforming system in the event of new threats or her aging.
Key words: information security, unauthorized access, the authorities.
Summary: The article presents the methods of organization of electricity metering in the system.
Key words: system of automated control and accounting of electric power (SASAEP), electricity accounting, efficiency, energy saving.
Abstract: we investigate the formation of knowledge and skills of students by use of interactive learning tools in optional classes in computer science.
Key words: Informatics, an interactive, Internet-payments.
Summary: The article studies a mathematical model for understanding the epidemiology of antimicrobial resistant bacteria in hospital. The model provides division of the population on three different groups relatively to the susceptible and resistant strains of a hypothetical bacteria and corresponding antibiotic drug. The differential equations are analyzed and simulated using AnyLogic 7 simulation software, which brings to the discussion of results.
Key words: system dynamics, computer simulation, antimicrobial resistance.
Abstract: A method for approximating the current mass distribution of granular material in the apparatus of fluidized bed dehydration with highly heterogeneous systems.
Keywords: mass distribution, approximation, the correlation coefficient.
Summary: The article made an analysis of existing measures to improve working conditions in the workplace of noisy enterprises and adjacent territories. Analysis of the accepted classification of noise protection measures applied to reduce the noise in the workplace and for the areas adjacent to noise sources, enabled the authors to complement and enhance each of them. Given the magnitude of the possible acoustic efficiency of each of the above events.
Keywords: noise, workplace, enterprise, acoustic efficiency.
Summary: A comparison of the efficiency of different sentiment analysis algorithms (naive bayes classifier and SVM) was made using a set of twitter comments. A general conclusion is made concerning the effectiveness of these algorithms.
Key words: sentiment analysis, naive bayes classifier, twitter, SVM, bigrams.
Summary: This work represents complex evaluation of so-called area “Dnieper Rapids”. The method, proposed for evaluation, is attractive for the foreign investments. Its essence is in the identification of natural and anthropogenic factors of environmental hazards and determining the scope and intensity of their manifestation in a particular area by means of integrated quality indicators.
Key words. Ecologic evaluation, environmental hazards, integrated indicator.
