Cient Implementation Research Articles

Welfare state as a constitutional principle in the Russian Federation: social vectors for development

This article examines issues associated with the development of the current Russian state, and their study within the scope of philosophical and sociological knowledge. With that in mind, the author refers to a collective monograph called “The emergence of welfare state and its prospects in Russia. Reality and future”, which focuses on analyzing the contradictory condition of the constitutional principle of welfare state in Russia. The article shows that the book in question, first of all, gives a substantiated interpretation of this contradiction based on scientific analysis of political and socio-economic realities; second of all, it describes and proposes ways of overcoming it. The contradiction between the constitutional principle of welfare state and the economic and socio-cultural modes which constitute the life of Russian society is interpreted in the aforementioned monograph based on a sociological study, the data from which points towards an ever deepening socio-economic divide within Russian society, with people being separated by increasing social distance, and consequently leading to the insuffi cient implementation of the government’s responsibility for protection. The researchers draw attention to the problem of socio-economic inequality being unwarrantedly presented as merely the result of the population being divided into the poor and the super-rich; that material differentiation in terms of income and wealth generates overall differentiation in any given society. With that in mind the authors address the issue of the population being segregated in terms of quality of life, while examining it in correlation with level of human capital and society’s innovational development. In the study, solving this task in Russia is associated with activating the welfare state’s humanistic function, and with its evolution towards becoming a potent welfare state that creates the opportunity for leading a decent life and uninhibited personal development for all of its citizens.

Efficient Implementation of Multistage Digital Interpolators Using Half Band Filters

The process of increasing the sampling rate of any signal by a factor is known as interpolation. This paper presents the e ective and e cient implementation of multistage implementation of digital interpolator using half band lters. The single stage lters are e cient for lower order interpolation factors but for higher rate change which is required in modern digital communication systems like wideband code division multiple access, worldwide interoperability for microwave access single stage implementation does not gives e cient response. For these applications a multistage implementation of the interpolator is preferred. But multistage implementation increases complexity of the overall system. This complexity can be reduced considerably by using half band lters. All this has been done with the help of the Agilent's advanced design software.

Performance Comparison of QPSK Based Single and Double Stage Digital Interpolators

In this paper, the performance of single stage and double stage digital interpolators has been compared and has been showed that by using multi stage interpolation system the reliability of any communication system increases drastically. Digital signal interpolation systems can be implemented in a variety of ways. The basic interpolator for up-sampling can be a combination of an expander unit with an interpolation low-pass lter in cascade. Complicated implementations can be done by connecting multiple expander and low-pass lter pairs in cascade. This paper presents the e cient implementation of digital interpolation systems for up-sampling of single stage and double stage digital interpolators by using quadrature phase shift keying technique. Comparison is done in terms of spectrum of generated signal, envelope power, modulated signal trajectory, input and output constellation and noise performance.

A Triangular Spectral Method for the Stokes Equations

A triangular spectral method for the Stokes equations is developed in this paper. The main contributions are two-fold: First of all, a spectral method using the rational approximation is constructed and analyzed for the Stokes equations in a tri- angular domain. The existence and uniqueness of the solution, together with an error estimate for the velocity, are proved. Secondly, a nodal basis is constructed for the effi- cient implementation of the method. These new basis functions enjoy the fully tensorial product property as in a tensor-produce domain. The new triangular spectral method makes it easy to treat more complex geometries in the classical spectral-element frame- work, allowing us to use arbitrary triangular and tetrahedral elements. AMS subject classifications: 65N35, 65N22, 65F05, 35J05

NOBLE

An essential part of programming for multi-core and multi-processor includes ef cient and reliable means for sharing data. Lock-free data structures are known as very suitable for this purpose, although experienced to be very complex to design. In this paper, we present a software library of non-blocking abstract data types that have been designed to facilitate lock-free programming for non-experts. The system provides: i) ef cient implementations of the most commonly used data types in concurrent and sequential software design, ii) a lock-free memory management system, and iii) a run time-system. The library provides clear semantics that are at least as strong as those of corresponding lock-based implementations of the respective data types. Our software library can be used for facilitating lockfree programming; its design enables the programmer to: i) replace lock-based components of sequential or parallel code easily and ef ciently , ii) use well-tuned concurrent algorithms inside a software or hardware transactional system. In the paper we describe the design and functionality of the system. We also provide experimental results that show that the library can considerably improve the performance of software systems.

EUROPEAN PROTECTION OF AGRICULTURAL PRODUCTS AND FOODSTUFFS IN THE NEW EU MEMBER COUNTRIES. THE EXAMPLE OF COLLABORATION BETWEEN FRANCE AND SLOVENIA

The objective of this article is to present the main results of an advising and assisting program, which took place in years 2001 until 2003, and which involved the Slovenian Ministry of Agriculture, Forestry and Food and two French institutions, French Agency for Standardization and National Institute for Designations of Origin. Authors report their experience in implementation of a system for the registration and certifi cation of special agricultural products and foodstuffs in the Republic of Slovenia, in accordance with the quality policy and legislation of the European union (Council Regulations 2081/92 and 2082/92). They highlight the key success factors for an effi cient implementation of the registration system for the special agricultural products and foodstuffs in the new EU members.

Typed common intermediate format

Application languages are very e ective in solving speci c software problems. Unfortunately, they pose great challenges to reliable and e cient implementations. In fact, most existing application languages are slow, interpreted, and have poor interoperability with general-purpose languages. This paper presents a framework on building highquality systems environment for multiple advanced languages. Our key innovation is the use of a common typed intermediate language, named FLINT, to model the semantics and interactions of various language-speci c features. FLINT is based on a predicative variant of the Girard-Reynolds polymorphic calculus F!, extended with a very rich set of primitive types and functions. FLINT provides a common compiler infrastructure that can be quickly adapted to generate compilers for new general-purpose and domain-speci c languages. With its single uni ed type system, FLINT serves as a great platform for reasoning about crosslanguage interoperations. FLINT types act as a glue to connect language features that complicate interoperability, such as mixed data representations, multiple function calling conventions, and di erent memory management protocols. In addition, because all runtime representations are determined by FLINT types, languages compiled under FLINT can share the same system-wide garbage collector and foreign function call interface.

Plastic Analysis of Complex Microstructure Composites Using the Generalized Method of Cells

A recently developed computationally efe cient implementation of the Generalized Method of Cells is extended here to deal with plasticity problems. The new formulation can be used to perform linear elastic and plastic micromechanical analysis of composites with complex microstructures. It makes use of a tangent plasticity matrix approach as opposed to an initial stiffness matrix approach employed in the original Generalized Method of Cells. This tangent stiffness matrix approach makes it possible to perform plastic analyses of composites with microstructures that require a high-resolution, cell ‐subcell model. To demonstrate the capabilities of the new formulation, it is applied to the problem of determining the ine uence of e ber shape and e ber architecture on the plastic behavior of two-phase unidirectional composites. Some results from previous studies on this subject are cone rmed. New results that could not be obtained with previous implementations are also reported. Problems modeled with up to 10,000 subcells are presented.

Direct Computation of Lower-Bound Dynamic Buckling Loads of Imperfection-Sensitive Systems

The computation of lower-bound dynamic buckling loads of imperfection-sensitive systems is examined under step load of ine nite duration. An extended system based on the energy criterion for establishing the lower-bound dynamic buckling loads without solving the highly nonlinear initial-value problems is proposed. The newly introduced scaling parameters are nonsingular solutions to the extended system; thus, standard methods can be used to compute them. Using the extended system, one can directly obtain the lower-bound dynamic buckling loads without tracing the postbuckling equilibrium paths. An efe cient implementation of Newton’ s method for solving the extended system is presented, and numerical examples are given.