نتایج جستجو برای: electrostatic accelerator

تعداد نتایج: 41588  

2004
MICHAEL J. SCHULTE

This paper describes a hardware accelerator for elliptic curve cryptography. The accelerator performs Galois field operations as a series of microcode instructions operating on 32-bit subsections of operands, which represent elements from GF(2) in a binary polynomial basis. The accelerator may be used for arbitrary size elliptic curves up to a field degree of 512. Parallelism between operations...

2007
Nikolay Malitsky Richard Talman

Being an integral part of accelerator software, accelerator description aims to provide an external representation of an accelerator’s internal model and associative effects. As a result, the choice of description formats is driven by the scope of accelerator applications and is usually implemented as a tradeoff between various requirements: completeness and extensibility, user and developer or...

2008
Tobias Schumacher Robert Meiche Paul Kaufmann Enno Lübbers Christian Plessl Marco Platzner

This paper presents an accelerator for k-th nearest neighbor thinning, a run time intensive algorithmic kernel used in recent multi-objective optimizers. We discuss the thinning algorithm and the accelerator architecture with its modules and operation, and evaluate the accelerator with respect to two different application scenarios. The first is an embedded computing scenario where the accelera...

1999
N. Malitsky J. Smith J. Wei

The Unified Accelerator Libraries[1] are designed as a customizable and extendible environment for developing diverse accelerator applications. Its main architectural principle is a separation of physical entities and mathematical abstractions from algorithms. The accelerator algorithms are implemented as classes that share data via Common Accelerator Objects (Element, Bunch, Twiss, etc.). This...

Journal: :journal of physical and theoretical chemistry 0
reza soleymani young researchers and elite club, shahre-rey branch, islamic azad university, tehran, iran

influence of aluminum, gallium, indium- doping on the boron-nitride nanotubes (bnnts) investigated with density functional theory (dft) and hartreefock (hf) methods. for this purpose, the chemical shift of difference atomic nucleus was studied using the gauge included atomic orbital (giao) approch. in the following, structural parameter values, electrostatic potential, thermodynamic parameters,...

Journal: :journal of optoelectronical nano structures 0
a abdikian department of physics, malayer university, malayer, iran ghahraman solookinejad department of physics, marvdasht branch, islamic azad university, marvdasht, iran

in this paper, we investigated the corrected plasmon dispersion relation for graphene in presence of a constant magnetic field which it includes a quantum term arising from the collective electron density wave interference effects. by using quantum hydrodynamic plasma model which incorporates the important quantum statistical pressure and electron diffraction force, the longitudinal plasmons ar...

Journal: :Journal of Instrumentation 2023

We present a study of factors affecting the energy spread ion beams extracted from Charge Breeder Electron Cyclotron Resonance Ion Source (CB-ECRIS). The comprehensive simulations, supported by experiments with Retarding Field Analyser (RFA), reveal that longitudinal and transverse are strongly affected electrostatic focusing effects, namely extraction geometry plasma beam boundary, to extent e...

1999
Nikolay Malitsky Richard Talman

An overview of the framework of Unified Accelerator Libraries (UAL) is presented. The UAL framework is a necessary and logical step in the UAL evolution. It intends to offer a standard-based infrastructure that facilitates compatible and independent implementation of accelerator applications and the development of interoperable Accelerator Simulation Facilities. The paper explain the two major ...

احمدیان نمینی, ساسان, عباسی دوانی, فریدون, قاسمی, فرشاد, لامعی رشتی, محمد,

The goal of electron linear accelerator project in institute for research in fundamental sciences(IPM) is to build its components as many as they can in Iran. This accelerator is a traveling wave type. Investigations show that there are various techniques in forming and connecting the accelerating tube cavities. The shrinking method applied for constructing the accelerating tube is selected bas...

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