نتایج جستجو برای: averaging interval

تعداد نتایج: 220091  

Journal: :Mathematical Problems in Engineering 2021

With respect to multiple criteria group decision-making (MCGDM) problems in which both the weights and expert take form of crisp numbers attribute values interval-valued picture fuzzy uncertain linguistic numbers, some new analysis methods are developed. Firstly, operational laws, expected value, accuracy function introduced. Then, an averaging geometric aggregation operators Furthermore, desir...

2010
R. Gama A. Guerman G. Smirnov

The averaging method is one of the most powerful methods used to analyse differential equations appearing in the study of nonlinear problems. The idea behind the averaging method is to replace the original equation by an averaged equation with simple structure and close solutions. A large number of practical problems leads to differential equations with discontinuous right-hand sides. In a rigo...

2013
Michael Taylor

Suppose A1, . . . , AN are rotation matrices on n-dimensional Euclidean space R, i.e., Aj ∈ SO(n). We want to consider some element of SO(n) that represents an “average” of these elements Aj . There are a number of possible ways to define the notion of an average in this context. One approach has been to write Aj = ej with Zj a real, skew-symmetric n × n matrix (i.e., Zj ∈ skew(n)), and define ...

Journal: :IEICE Transactions 2012
Tetsuya Uchiumi Tatsunori Obara Kazuaki Takeda Fumiyuki Adachi

In the conventional iterative superimposed pilot-assisted channel estimation (SI-PACE), simple averaging of the instantaneous channel estimates obtained by using the pilot over several single-carrier (SC) blocks (called the frame in this paper) is taken in order to reduce the interference from data symbols. Therefore, the conventional SI-PACE has low tracking ability against fading time variati...

Journal: :Journal of dairy science 1989
M C Dong L D Van Vleck

Estimates of genetic correlations were .17 between first lactation milk yield and concurrent calving interval, .10 between second lactation milk yield and first calving interval, and .82 between first and second milk yields. Corresponding phenotypic correlations were .27, .16, and .58. Heritability estimates were .27 and .25 for first and second lactations and .15 for calving interval. Estimate...

Journal: :Circulation research 1992
F Tronc M Carrier C L Pelletier

Cyclosporin A (CSA) causes an acute vasoconstriction of hind limb arterial vessels. To determine the mechanism of action of CSA on the peripheral arterial bed, studies were performed on the isolated femoral artery perfused at constant flow in 61 dogs. Changes in femoral perfusion pressure reflected variations in vascular resistance. Pure powder CSA was dissolved in autologous blood and injected...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1392

برش چینه شناسی فریزنوک در 40 کیلومتری شمال بیرجند واقع است. ضخامت این برش 800 متر می باشد و لیتولوژی آن شامل کنگلومرا، ماسه سنگ، شیل، مارن و آهک می باشد. در این مطالعه از سنگ های آهکی و بعضی نمونه های کنگلومرایی و ماسه سنگی مقطع نازک تهیه گردید که تعداد 17 جنس و 30 گونه فرامینیفر شناسایی گردید که عبارتند از: alveolina elliptica, glomalveolina primaeva, glomalveolina sp., alveolina solida, quin...

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