Results 1 to 10 of about 327,643 (132)

Energy Efficiency Maximization for ME-IRS-Enabled Secure Communications [PDF]

Entropy
This paper investigates the secrecy energy efficiency (SEE) maximization problem in a downlink multiple-input single-output (MISO) wireless communication system assisted by an intelligent reflecting surface with movable elements (ME-IRS).
Chenxi Liu, Limeng Dong, Yong Li, Wei Cheng   +3 more
doaj   +2 more sources

Algorithms for improving the position determination of an UAV equipped with a single-frequency GPS receiver for low-altitude photogrammetry [PDF]

Metrology and Measurement Systems, 2023
The article presents the results of research on the development of a method for improving the positioning accuracy of an UAV equipped with a single-frequency GPS receiver for determining the linear elements of exterior orientation in aerial ...
Kamil Krasuski, Damian Wierzbicki, Marta Lalak, Adam Ciecko   +3 more
doaj   +1 more source

Static analysis of a multi-link suspension system used for the rear beam axles of vehicles [PDF]

Journal of Research and Innovation for Sustainable Society, 2023
The primary goal of the static analysis for the vehicle axle suspension systems consists in finding the equilibrium position of the mechanism in relation to the car body (which is considered the fixed reference part), under the action of the contact ...
Catalin Alexandru
doaj   +1 more source

Influence of Antenna Element Position Deviation on Radiation Performance of Helical Antenna Array

Sensors, 2023
The electrical performance of the feed array is degraded because of the position deviation of the array elements caused by manufacturing and processing, which cannot meet the high performance feeding requirements of large feed arrays.
Lingqi Zeng, Chengxin Wang, Haibo Liu, Ning Liu, Jinxin Wang, Lanlan Zhou, Yong Wang, Yongqing Wang   +7 more
doaj   +1 more source

Dynamics Modeling and Analysis of Rolling Bearings Variable Stiffness System with Local Faults

Machines, 2023
By analyzing the support of load-carrying rolling elements when the rolling elements fall into the fault position, the dynamics model of a rolling bearing variable stiffness system with local faults is proposed, considering the retention factor of the ...
Baoliang Guo, Wenlong Wu, Jianxiao Zheng, Yumin He, Jinhua Zhang   +4 more
doaj   +1 more source

A.S.P.E.N. Position Paper [PDF]

Nutrition in Clinical Practice, 2012
The parenteral multivitamin preparations that are commercially available in the United States (U.S.) meet the requirements for most patients who receive parenteral nutrition (PN). However, a separate parenteral vitamin D preparation (cholecalciferol or ergocalciferol) should be made available for treatment of patients with vitamin D deficiency ...
Vincent W, Vanek, Peggy, Borum, Alan, Buchman, Theresa A, Fessler, Lyn, Howard, Khursheed, Jeejeebhoy, Marty, Kochevar, Alan, Shenkin, Christina J, Valentine   +8 more
openaire   +2 more sources

Recovery for all in the community; position paper on principles and key elements of community-based mental health care [PDF]

BMC Psychiatry, 2019
Service providers throughout Europe have identified the need to define how high-quality community-based mental health care looks to organize their own services and to inform governments, commissioners and funders. In 2016, representatives of mental health care service providers, networks, umbrella organizations and knowledge institutes in Europe came ...
Keet, Rene, de Vetten-Mc Mahon, Marjonneke, Shields-Zeeman, Laura, Ruud, Torleif, van Weeghel, Jaap, Bahler, Michiel, Mulder, Cornelis L., van Zelst, Catherine, Murphy, Billy, Westen, Koen, Nas, Chris, Petrea, Ionela, Pieters, Guido   +12 more
openaire   +5 more sources

Conductive Arguments: Why is This Still a Thing?

Informal Logic, 2016
Conductive arguments, as a separate category of reasoning, has experienced a revival.  In 2010, the University of Windsor’s Centre for Research in Reasoning, Argumentation, and Rhetoric dedicated a two-day symposium to the topic and later published the ...
Kevin Possin
doaj   +3 more sources

Plasticity Autowave Characteristics of Metals and the Periodic Table of Elements

Metals, 2021
In this paper, the general laws of localized plastic flow development are described for the linear work hardening stages of nineteen metals. The correlations are established and discussed between their element position in the periodic table of elements ...
Lev B. Zuev
doaj   +1 more source

Synthesis of phase-only position optimized reconfigurable uniformly excited linear antenna arrays with a single null placement

Journal of King Saud University: Engineering Sciences, 2020
This paper presents a study on the synthesis of a position-phase optimized reconfigurable linear array antenna with uniform amplitude distributions. The objective is to produce a pencil/flat-top beam pair.
D. Jamunaa, G.K. Mahanti, Feras N. Hasoon   +2 more
doaj   +1 more source