نتایج جستجو برای: logarithmic method
تعداد نتایج: 1645866 فیلتر نتایج به سال:
In this paper we propose a new stable Fast Affine Projection algorithm based on Gauss -Seidel iterations (GSFAP). We investigate its implementation using the logarithmic number system (LNS) and compare it with other two FAP algorithms. A method to simplify its implementation is also proposed. We show that the 32-bit or 20-bit LNS implementation of the GSFAP algorithm is superior to those of oth...
This paper addresses the implementation of a filterbank for digital hearing aids using a multi-dimensional logarithmic number system (MDLNS). The MDLNS, which has similar properties to the classical logarithmic number system (LNS), provides more degrees of freedom than the LNS by virtue of having two, or more, orthogonal bases and the ability to use multiple MDLNS components or digits. The loga...
Yu.A. Litvinov1,2, F. Bosch1, H. Geissel1,2, J. Kurcewicz3, N. Winckler1,2, L. Batist4, K. Beckert1, P. Beller1, D. Boutin1,2, C. Brandau1,2, L. Chen2, C. Dimopoulou1, T. Faestermann5, L. Grigorenko6, P. Kienle5,7, R. Knöbel1,2, C. Kozhuharov1, S.A. Litvinov1,2, L. Maier5, M. Mazzocco1, G. Münzenberg1, A. Musumarra8, C. Nociforo1, F. Nolden1, Z. Patyk9, M. Pfützner3, W.R. Plass2, C. Scheidenber...
A scaling theory is applied in order to calculate the temperature dependence of the staggered magnetic susceptibility associated with the anti-ferromagnetism observed in high-temperature superconductors. In a logarithmic approximation, only a summation of the leading square logarithmic terms are taken into account, assuming the parquet approximation. We show that scaling theory can be applied t...
We examine the Kosterlitz–Thouless universality class and show that conventional (essential) scaling at this type of phase transition is self–consistent only if modified by multiplicative logarithmic corrections. In the case of specific heat these logarithmic corrections are identified analytically. To identify those corresponding to the susceptibility we set up a numerical method involving the...
Floating-point ALU The ease and accuracy of executing the multiplication and division operations by using either fixed-point addition or subtraction is what makes the logarithmic number system an attractive option. However, its main drawback is the complexity of performing addition and subtraction operations. In this paper, an analysis is carried out to compare the current state-of-the-art loga...
Design and Implementation of a Mitchell-based Logarithmic Converter for a Floating Point Coprocessor
This paper presents a method to approach the implementation of a highly accurate logarithmic converter that operates with floating point numbers. For consistency purposes, it was necessary to adopt a standard to represent all floating point number. Hence, the IEEE Standard for Binary Floating-Point Arithmetic (IEEE 754) was the one selected. This logarithmic converter is based on Mitchell’s alg...
This paper considers the problem of G1 curve interpolation using a special type of discrete logarithmic spirals. A ”logarithmic arc spline” is defined as a set of smoothly connected circular arcs. The arcs of a logarithmic arc spline have equal angles and the curvatures of the arcs form a geometric sequence. Given two points together with two unit tangents at the points, interpolation of logari...
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