نتایج جستجو برای: joint efficiency

تعداد نتایج: 572260  

2013
Ying Zheng Xudong Fu Jiahua Wei

Effective utilization of scarce water resources has presented a significant challenge to respond to the needs created by rapid economic growth in China. In this study, the efficiency of the joint operation of the Three Gorges and Gezhouba cascade hydropower plants in terms of power generation was evaluated on the basis of a precise simulation-optimization technique. The joint operation conditio...

Journal: :EURASIP J. Wireless Comm. and Networking 2010
Haibo Wang Hans-Peter Schwefel Xiaoli Chu Thomas Skjødeberg Toftegaard

In mobile multicast transmissions, the receiver with the worst instantaneous channel condition limits the transmission data rate under the desired Quality-of-Service (QoS) constraints. If Automatic Repeat reQuest (ARQ) schemes are applied, the selection of Adaptive Modulation and Coding (AMC) mode will not necessarily be limited by the worst channel anymore, and improved spectral efficiency may...

Journal: :Journal of rehabilitation research and development 2012
Margrit R Meier Andrew H Hansen Steven A Gard Angus K McFadyen

The performance and movement efficiency of prosthesis users while traversing a multisectional obstacle course (OC) were evaluated using a crossover design with random allocation of three prosthetic knee joints: the SNS (CaTech; Dayton, Ohio) the C-Leg (Otto Bock; Duderstadt, Germany), and the 3R60 (Otto Bock). Twelve users completed the OC twice with each joint, once without and once with a men...

Journal: :Arthritis care & research 2015
Claudia M Campbell Luis F Buenaver Patrick Finan Sara C Bounds Mary Redding Lea McCauley Mercedes Robinson Robert R Edwards Michael T Smith

OBJECTIVE Osteoarthritis (OA), a chronic degenerative joint disorder, is characterized by joint pain. Emerging research demonstrates that a significant number of patients evidence central sensitization (CS), a hyperexcitability in nociceptive pathways, which is known to amplify and maintain clinical pain. The clinical correlates of CS in OA, however, are poorly understood. Insomnia is prevalent...

2017
Jie Jia Jian Chen Yansha Deng Xingwei Wang Hamid Aghvami

The development of wireless power transfer (WPT) technology has inspired the transition from traditional battery-based wireless sensor networks (WSNs) towards wireless rechargeable sensor networks (WRSNs). While extensive efforts have been made to improve charging efficiency, little has been done for routing optimization. In this work, we present a joint optimization model to maximize both char...

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