نتایج جستجو برای: SCFO

تعداد نتایج: 10  

Journal: :Applied Mathematics and Computation 2012
Dongsheng Ding Donglian Qi Xiaoping Luo Jinfei Chen Xuejie Wang Pengying Du

Keywords: Extended/enhanced central force optimization (ECFO) Global optimization Convergence analysis Simple central force optimization (SCFO) Gravitational force a b s t r a c t Simple central force optimization (SCFO) algorithm is a novel physically-inspired optimization algorithm as simulating annealing (SA). To enhance the global search ability of SCFO and accelerate its convergence, a nov...

Journal: :The archives of bone and joint surgery 2017
Reza Abdi Ramin Hajzargarbashi Mohammad H Ebrahimzadeh

Background Genu valgum usually originates from a deformity of distal femur that is often corrected by distal femoral varus osteotomy. The osteotomy includes both components of angulationcorrection and translation because the site of osteotomy is not commonly at the apex of deformity. Improvement of patellar tracking not only depends on valgus correction, but also it may be partially due to cent...

2015
Rujun Tang Chen Jiang Wenhu Qian Jie Jian Xin Zhang Haiyan Wang Hao Yang

The dielectric properties of Z-type hexaferrite Sr3Co2Fe24O41 (SCFO) have been investigated as a function of temperature from 153 to 503 K between 1 and 2 GHz. The dielectric responses of SCFO are found to be frequency dependent and thermally activated. The relaxation-type dielectric behavior is observed to be dominating in the low frequency region and resonance-type dielectric behavior is foun...

Background: Genu valgum usually originates from a deformity of distal femur that is often corrected by distal femoralvarus osteotomy. The osteotomy includes both components of angulationcorrection and translation because the siteof osteotomy is not commonly at the apex of deformity. Improvement of patellar tracking not only depends on valguscorrection, but also it may be partially due to centra...

2015
Dominique Bonvin Grégory François Sean Costello

In practice, the quest for the optimal operation of energy systems is complicated by the presence of operating constraints, which includes the need to produce the power required by the user, and by the need to account for uncertainty. The latter concept incorporates the potential inaccuracies of the models at hand but also degradation effects or unexpected changes, such as, e.g. random load cha...

2014
Gene A. Bunin Grégory François Dominique Bonvin

The material presented in this document is intended as a comprehensive, implementation-oriented supplement to the experimental optimization framework presented in [10]. The issues of physical degradation, unknown Lipschitz constants, measurement/estimation noise, gradient estimation, sufficient excitation, and the handling of soft constraints and/or a numerical cost function are all addressed, ...

2012
Minoru Soda Taishi Ishikura Hiroyuki Nakamura Yusuke Wakabayashi

Recent extensive studies on magnetoelectric multiferroics have revealed that a new class of multiferroics, that is, magneticallyinduced ferroelectrics in which ferroelectricity is induced by complex magnetic orders, such as spiral orders, exhibit giant magnetoelectric effects, remarkable changes in electric polarization in response to a magnetic field. Although these magnetically-induced ferroe...

2014
Grégory François Dominique Bonvin

In practice, the quest for the optimal operation of energy systems is complicated by the simultaneous presence of operating constraints, among which the need for producing the power required by the user, and of uncertainty. The latter concept incorporates the potential inaccuracies of the models at hand but also degradation effects or unexpected changes, such as, e.g. random load changes or var...

Journal: :EURASIP J. Adv. Sig. Proc. 2008
Wen-Long Chin Sau-Gee Chen

The majority of existing analyses on synchronization errors consider only partial synchronization error factors. In contrast, this work simultaneously analyzes joint effects of major synchronization errors, including the symbol time offset (STO), carrier frequency offset (CFO), and sampling clock frequency offset (SCFO) of orthogonal frequency-division multiplexing (OFDM) systems in doubly-sele...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

دو گروه از مواد پروسکایتی baxsr1-xco0.8fe0.2o3-? (x=0, 0.3, 0.5, 0.7, 0.9, 1) وba0.5sr0.5co0.8fe0.1m0.1o3-? (m=cr, ce, mn, fe, co, al, ni) با استفاده از روش کمپلکس edta و سیترات تهیه شدند. در این تحقیق، با روش ترکیب آنالیزهای xrd، o2-tpd، h2-tpr و tga-dta، اثر جانشینی جزئی استرانسیم با باریم در سایت a مواد پروسکایتی srco0.8fe0.2o3-?(scfo) بر ساختار کریستالی، میزان آزاد شدن اکسیژن از شبکه کریستا...

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