نتایج جستجو برای: sensitivity performance coefficient

تعداد نتایج: 1487890  

2002
Stefan Tigan

In this note we consider a linear-fractional programming problem with equality linear constraints. Following Rohn, we define a generalized relative sensitivity coefficient measuring the sensitivity of the optimal value for a linear program and a linear-fractional minimization problem with respect to the perturbations in the problem data. By using an extension of Rohn’s result for the linear pro...

2012
Toni Björninen Atef Z. Elsherbeni Leena Ukkonen

─ The impact of tag antenna and chip impedance tolerances on power transfer between these components is investigated analytically. Means for efficient computation of the minimum and maximum power transmission coefficient under given impedance tolerances are developed. The presented sensitivity analysis is employed to quantify the design uncertainty of single and double T-matched short dipole ta...

2004
Oh-Wook Kwon Te-Won Lee

We propose a new scheme to reduce phase sensitivity in independent component analysis (ICA)-based feature extraction using an analytical description of the ICAadapted basis functions. Furthermore, since the basis functions are not shift invariant, we extend the method to include a spectral-domain ICA stage that removes redundant time shift information. The performance of the new scheme is evalu...

2005
Daniel Hernández-Hernández

This work concerns controlled Markov chains with finite state and action spaces. The transition law satisfies the simultaneous Doeblin condition, and the performance of a control policy is measured by the (long-run) risk-sensitive average cost criterion associated to a positive, but otherwise arbitrary, risk sensitivity coefficient. Within this context, the optimal risk-sensitive average cost i...

2004
Ying Liu Yuanlie Lin

The NetAcet method has been developed to make predictions of N-terminal acetylation sites, but more information of the data set could be utilized to improve the performance of the model. By employing a new way to extract patterns from sequences and using a sample balancing mechanism, we obtained a correlation coefficient of 0.85, and a sensitivity of 93% on an independent mammalian data set. A ...

Journal: :The Review of scientific instruments 2008
U Spillmann H Bräuning S Hess H Beyer Th Stöhlker J-Cl Dousse D Protic T Krings

Using 98% linearly polarized radiation at the European Synchrotron Radiation Facility in Grenoble, the performance of a prototype two-dimensional microstrip Ge(i) detector for x-ray imaging and as a Compton polarimeter has been evaluated. Using the energy and position sensitivity of the detector, the ability to obtain a complete reconstruction of the Compton event has been demonstrated. The mod...

ژورنال: کنترل 2022

The idea of using quasi-linear piecewise models has been established on the decomposition of complicated nonlinear systems, simultaneously designing with local controllers. Since the proper performance and the final system close loop stability are vital in multi-model controllers designing, the main problem in multi-model controllers is the number of the local models and their position not payi...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان سیستان و بلوچستان 0

انسداد حاد سیستم ادراری یکی از علل شایع مراجعه بیماران به کلینیک ارولوژی می باشد. انسداد سیستم ادراری توسط اروگرافی ترشحی و سی تی اسکن (که دارای عوارض ناشی از اشعه یونیزا و عوارض مواد حاجب می باشند)، mri و مواد رادیونوکلئید (که دارای هزینه بالا و صرف وقت زیاد می باشند.) و نیز روشهای تهاجمی نظیر پیلوگرافی آنته گرید و رتروگرید بررسی می گردد. سونوگرافی روشی غیر تهاجمی در بررسی انسادا سیستم ادراری ...

In thermoelectric coolers (TECs) applied external voltage potential is generated to a temperature difference based on the Peltier effect. Main and basic structure of TECs is in the form of single stage device. Due to the low efficiency, especially low coefficient of performance (COP) of thermoelectric coolers, optimal design of geometrical parameters of such devices is vital. For this purpose, ...

Journal: :Journal of Financial Reporting and Accounting 2021

Purpose This study aims to examine whether chief executive officer (CEO) pay-performance sensitivity shareholder wealth is related the use of non-financial performance measures in incentive contracts. Design/methodology/approach Using hand-collected measure data a sample S&P 500 firms across period 1994–2010, this investigates CEO bonus and cash pay that (NFPM) varying types contractual wei...

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