Results 91 to 100 of about 518,009 (229)

Enhancing hard X‐ray beamline performance at SwissFEL through spontaneous radiation measurements

Journal of Synchrotron Radiation, Volume 33, Issue 1, Page 32-43, January 2026.
Methods using spontaneous radiation to monitor and optimize the Aramis hard X‐ray beamline are presented, together with the eight‐year evolution of these improvements and the resulting record performance.The hard X‐ray beamline (Aramis) of the Swiss free‐electron laser (SwissFEL) has been in user operation since the end of 2017 and its performance has ...
Christoph Kittel, Masamitsu Aiba, Christopher Arrell, Ariana Cassar, Eugenio Ferrari, Nicole Hiller, Eduard Prat, Sven Reiche, Nicholas Sammut, Thomas Schietinger, Didier Voulot, Tobias Weilbach, Marco Calvi   +12 more
wiley   +1 more source

Polynomial and trigonometric splines

, 2021
Classes of simple polynomial and simple trigonometric splines given by Fourier series are considered. It is shown that the class of simple trigonometric splines includes the class of simple polynomial splines. For some parameter values, the polynomial splines coincide with the trigonometric ones; this allows to transfer to such trigonometric splines ...
openaire   +2 more sources

On Algorithms for Planning S-curve Motion Profiles

International Journal of Advanced Robotic Systems, 2008
Although numerous researches on s-curve motion profiles have been carried out, up to date, no systematic investigation on the general model of polynomial s-curve motion profiles is considered.
Kim Doang Nguyen, Teck-Chew Ng, I-Ming Chen   +2 more
doaj   +2 more sources

A note on some extremal problems for trigonometric polynomials [PDF]

n.a.
Dette, Holger, Melas, Viatcheslav B.
core  

Feedrate Scheduling of NURBS Interpolation Based on a Novel Jerk-Continuous ACC/DEC Algorithm

IEEE Access, 2018
In order to improve the motion smoothness while maintaining the machining efficiency of the non-uniform rational B-spline (NURBS) interpolation, a novel jerk-continuous acceleration/deceleration (ACC/DEC) algorithm and the corresponding feedrate ...
Hepeng Ni, Jipeng Yuan, Shuai Ji, Chengrui Zhang, Tianliang Hu   +4 more
doaj   +1 more source

On the degree of the polynomial defining a planar algebraic curves of constant width

, 2013
In this paper, we consider a family of closed planar algebraic curves $\mathcal{C}$ which are given in parametrization form via a trigonometric polynomial $p$.
Bardet, Magali, Bayen, Térence
core   +1 more source

On Best Multiplier Approximation of k-Monotone by Trigonometric Polynomial

Al-Mustansiriyah Journal of Science
The main goal of this paper is to study the degree of the best multiplier approximation of monotone unbounded functions in L_(p,λ_n)-space on the closed interval [-π,π] by means of K-functional, which we represented with, K(f,L_(p,λ_n ),W_(p,λ_n)^1,W ̃_(
Saheb K. Al-Saidy, Hasan W. Maktoof, Abdul Khaleq O. Mazeel, Baba Galadima Agaie   +3 more
doaj   +1 more source

Circular Bernstein polynomial distributions [PDF]

This paper introduces a new non-parametric approach to the modeling of circular data, based on the use of Bernstein polynomial densities which generalizes the standard Bernstein polynomial model to account for the specific characteristics of circular ...
Concepción Ausín, José Antonio Carnicero, Michael P. Wiper   +2 more
core  

Three new hybrid quasi-3D and 2D higher-order shear deformation theories for free vibration analysis of functionally graded material monolayer and sandwich plates with stretching effect

Advanced Composites Letters, 2020
The present investigation brings to the readers three new hybrid higher-order shear deformation theory (HSDT) models and analyses the functionally graded material (FGM) plates.
Y Belkhodja, D Ouinas, H Fekirini, JA Viña Olay, M Touahmia   +4 more
doaj   +1 more source

A Class of Sheffer Sequences of Some Complex Polynomials and Their Degenerate Types

Mathematics, 2019
We study some properties of Sheffer sequences for some special polynomials with complex Changhee and Daehee polynomials introducing their complex versions of the polynomials and splitting them into real and imaginary parts using trigonometric polynomial ...
Dojin Kim
doaj   +1 more source