نتایج جستجو برای: waite th method th method
تعداد نتایج: 1670392 فیلتر نتایج به سال:
In this paper we present a method for stability analysis of high order Sigma-Delta modulators. The method is based on a parallel decomposition of the modulator. Using this presentation the general N-th order modulator could be considered as made up of N first order modulators, which interact only through the quantizer function. The decomposition helps us to extract the stability conditions of t...
In this paper, we propose a new characteristics method for the discretization of the two dimensional fluid-rigid body problem in the case where the densities of the fluid and the solid are different. The method is based on a global weak formulation involving only terms defined on the whole fluid-rigid domain. To take into account the material derivative, we construct a special characteristic fu...
Introduction Chlorophyll, in various forms, is bound within the living cells of algae, phytoplankton, and other plant matter found in environmental water. Chlorophyll is a key biochemical component in the molecular apparatus that is responsible for photosynthesis, the critical process in which the energy from sunlight is used to produce life-sustaining oxygen. In general, the amount of chloroph...
The method for the signal parameters selection independent of time hopping (TH) codes is presented to improve the processing gain (PG) of the single-user TH ultra-wideband (UWB) systems above a prescribed level. The UWB systems operate in the multi-path channel with narrowband interference (NBI), which is modelled as a zero-mean stationary random process. Binary pulse amplitude modulation as we...
Cross sections for the formation of (225,227)Ac, (223,225)Ra, and (227)Th via the proton bombardment of natural thorium targets were measured at a nominal proton energy of 800 MeV. No earlier experimental cross section data for the production of (223,225)Ra, (227)Ac and (227)Th by this method were found in the literature. A comparison of theoretical predictions with the experimental data shows ...
This work presents a new method of fast cubic and higher order image interpolation. The evaluation of the piecewise n-th order polynomial kernels is accelerated by transforming the polynomials into the interval [0, 1], which has the advantage that some terms of the polynomials disappear, and that several coefficients could be precalculated, which is proven in the paper. The results are exactly ...
This paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. We expose the way for designing an FPGA (Field Programmable Gate Array) receiver starting from a previous study based on system modeling on Matlab. The proposed receiver architecture is first designed and validated on Matlab, before being implemen...
The paper is devoted to the study of Marker’s extensions of sequences of countable structures. In the first part of the paper definability properties of the Marker’s extension are investigated. The results demonstrate that for any sequence of structures the Marker’s extension codes the elements of the sequence so that the n-th structure of the sequence appears positively at the n-th level of th...
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