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  • Prospects for the use of genre classification of Web documents in search engines

    The paper discusses possible options for the use of genre classification results of Web documents in search engines. The proposed methods can improve the quality of search engines.

    Keywords: Web document classification, text documents, search engines, search engine results page, search quality, diversity

  • Methods of determining the quality of a comprehensive assessment of complex technical systems in motor vehicles and material handling equipment

    The article describes one of the possible approaches to the investigation of a technique of definition of quality indicators of vehicles and lifting-transport machines, examines the concept - combining numerical estimate of single and complex indices into a single composite index.
    The following algorithms: the algorithm of finding the functional quality systems, represented by the linear form, with varying competence of experts, the algorithm modified method, allowing to make the transition from бифакторного distribution to мультифакторному, which is important when processing expert information; algorithm modified method, characterized by greater commonality and expanding the use of standard computer programmes at the decision of problems of estimation of quality systems on a computer.  

    Keywords: The level of quality of complex technical systems, decomposition methods of technical requirements, functional quality, modified method,algorithm

  • On the development of the wave theory of viruses

      We propose a model describing the motion of the wave of viruses inside and outside of living matter. It is shown that the Schrodinger equation can be used in the analysis of movement of the virus, as a physical material object in physical space. We calculated the de Broglie wavelength of the virus. The mechanism of viral diseases is shown as an interaction of genetic apparatus of human cells with the field structure of viruses. The concept of information-wave virus is given. The results of studies on patients with the use of information-wave of viruses, generated by a special generator of digital codes, are given. It is shown that the reliability of the mechanism of cell damage by wave digital information and viruses on the basis of vegetative resonance test. The reliability of the mechanism of cell damage by information-wave digital viruses is shown with the use vegetative resonance test. The conclusion that the suppression of viruses can be realized with the use of radiation from a special generator of numerical codes has been made.

    Keywords: information, wave, viruses, treatment

  • The improved resource definition set by sampling the boom shovel

    In article the refined method of calculation gamma  percentage fatigue resource of an arrow shovel excavator for population of final volume, by means analytical method of definition parameters of Weibull distribution is offered. 
    The made computing experiment has shown that the developed method allows to receive gamma percentage value of a fatigue resource of an arrow shovel excavator by means of transition from the sample data to the population data.  

    Keywords: a resource, an arrow, shovel excavator, population, Weibull

  • The direction of development of the food system at the regional level

    The main directions of regional impact on the solution of a question of food supply of the population of the region are considered from the local regional budget.targets of a diversification of management are presented by innovative activity of the industrial enterprise.

    Keywords: food supply of the region, measure of regulation of food supply, structure of actions for regulation of food supply by local authorities

  • High-frequency active filter units mixed SoC based on a current amplifier

    The paper shows the feasibility of using a current amplifier in the filters RF and microwave ranges. By analyzing the basic structure of the second-order level sufficient conditions for the efficient use of active elements. The examples of methodological nature and formulated conclusions of practical importance.

    Keywords: RF filter, microwave filter, parametric sensitivity, current amplifiers, functional modeline setting

  • Hardware to store large data volumes

    One of the problems when storing large amounts of data is a rational choice of media. In this paper we evaluated the possibility of using magnetic tape, CD, DVD, Blu-ray discs, hard disk drives, drives to flash memory (SSD) for storage of large volumes of data with respect to reliability, performance,.cost and high-speed storage. The analysis showed that solid state drives can be used in case of the need for ultra-fast access to live data. The hard disk drive can be used as primary storage devices for storing operational data. DVD and Blu-ray library can be used for archival storage medium volumes (tens of terabytes). Tape libraries can be used to store very large volumes of data (terabytes or more). The lowest cost of storing 1 GB of data is $ 0.03 when you use tape libraries. The most expensive storage 1 GB solid state drive ($ 0.85).

    Keywords: storage devices, data storage, storage drive

  • Development of generator of random numbers on the points of the elliptic curve

    The article is about generators of random numbers (GPN) constructed on points of an elliptic curve and algorithms of development irreducible polynomials over prime fields. It describes their advantages and main features. The authors analyzes the algorithm of development GPN constructed on points of an elliptic curve with using irreducible polynomials of degree three over finite fields. In this approach, calculations were made in the system of residual classes. According to the results of computer simulation shows the advantages of algorithm in speed and security of a cryptosystem.

    Keywords: the generator of pseudo-random numbers, elliptic curve, system of residual classes, cryptographic security, irreducible polynomials

  • Assessment of the status of surface waters in the industrial cities of the Rostov region

    The state of surface water in such industrial cities of the Rostov region, as Belaya Kalitva, Donetsk, Kamensk-Shakhtinskiy. Identified the main sources of their pollution and priority pollutants. Analysis of the concentrations of pollutants in R. Sowing. Donets river and its tributaries. It is established that the water management situation in the industrial cities remains unfavourable, and the level of water pollution is assessed as «dirty»  

    Keywords: Anthropogenous influence, industrial production, ecological situation, environment, an ecosystem, the industry, transport, pollution, water objects.

  • Synthesis interpolation algorithm line segment for planning trajectory of confluent two-tier mechanism

    Considered original interpolation method of the working tool path using confluent two-unit manipulator. This method is based on the separation of the links on the master and slave and the use of polar coordinates to determine the incremental rotation of angle units. It is adapted for use calculating hardware with floating point.

    Keywords: two-tier mechanism, circular interpolation, the kinematic model, floating point operations, the static accuracy of interpolation

  • Methods of estimating the adequacy of simulation results

    This paper describes application of different criteria for estimating parameters of traffic simulation. For comparison following methods were used: statistical methods for comparison of a flow and speed in control points of a network - analysis of variance (ANOVA), Theil's U-statistics; relationships between flow, density and speed; relationships between trip time and stop time with using two-fluid models of traffic flow. For this aim we also used concept of meta-model. In order to implement this method we need on the first step to create separately relationship between traffic flow parameters for observation and simulation data and then to estimate combined model. The paper included results of calculation  

    Keywords: validation, traffic, simulation, flow, speed

  • Research the relationship between technological possibility forest machines with the parameters of forest environment

      To estimate the effectiveness of forest machines developed technological possibility coefficient. Coefficients reflect the ability to provide a given performance of transport vehicles in the logging, the decline in the quality of the skid road surface. Method allows determining the amount of logging residues, necessary for the skid road construction. At calculating the available volume accounted for logging residues. Resources of logging residues are calculated depending on the type of timber and the length of skid road. The method allows selecting the optimum system of machines to work in these natural production conditions or schedule performance loss due to reduced carrying capacity of skid road.

    Keywords: Cross country, technological passableness, forest machines, bearing capacity of soils, skid road, wood types, logging residues

  • Inductance per unit length of twisted pair at microwave frequencies

    Proposed an approach to calculate the inductance per unit length of twisted pair at microwave frequencies. Analytical relations to calculate the inductance per unit length of double line and twisted pair at microwave frequencies. An efficient algorithm for the approximate calculation of the inductance per unit length of twisted pair at any veins angle.

    Keywords: inductance per unit length, microwave frequency, twisted pair, double line, veins angle

  • Using of modeling of the road motion for estimation of the ecological condition is exposed-road network

    In the publication the problematics of an estimation of emissions of polluting substances from motor transport is stated. Aplying foreign experience in estimation of the ecological situation at modelin  

    Keywords: soiling the air pool, surge polluting material from motor transport, features of the transport flow.

  • The analysis of on-line transaction processing systems’ model with replication of database fragments designed by using principles the cloud environment

      The model of on-line transaction processing system architecture constructed by a principle of cloud structure is considered. The mathematical model of OLTP-system as the queuing system is offered. Results of modeling and their analysis are led.

    Keywords: On-line transaction processing system, Cloud architecture, Distributed database, Queuing system