نتایج جستجو برای: current method

تعداد نتایج: 2303441  

Journal: :DEStech Transactions on Computer Science and Engineering 2020

Journal: :SIAM J. Scientific Computing 2017
Christian Engwer Johannes Vorwerk Jakob Ludewig Carsten H. Wolters

In order to perform electroencephalography (EEG) source reconstruction, i.e., to localize the sources underlying a measured EEG, the electric potential distribution at the electrodes generated by a dipolar current source in the brain has to be simulated, which is the so-called EEG forward problem. To solve it accurately, it is necessary to apply numerical methods that are able to take the indiv...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده شیمی 1392

in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...

Journal: :energy equipment and systems 0
rahmat aazami faculty of engineering, ilam university, ilam, iran hassan monsef faculty of ece, university of tehran, tehran, iran

this paper proposes a new method for transmission loss allocation. the share of each bus in the transmission line losses is determined using transmission line loss equations with respect to bus-injected currents. then, it is applied to the total network transmission lines. in the proposed method, comparing with other methods, a solution to remove the negative loss allocation has been introduced...

Journal: :Electronics Letters 2023

The position sensorless permanent magnet synchronous motor (PMSM), with its simple structure, is applied in the aerospace field high reliability requirements. To drive PMSM safely, three-phase current measured from driver needs to be isolated for closed-loop control. And then, accuracy measurement crucial achieving optimal performance. In paper, transformer (CT) centre taps employed isolate and...

Journal: :Applied sciences 2022

In recent years, wireless power transmission (WPT) technology based on magnetic resonance has been extensively studied. However, in contrast to that the air, seawater medium will be accompanied by inevitable energy loss, is, eddy current loss (ECL), which increase with frequency and coil current. this article, an equivalent circuit model of underwater is established, two methods reduce are prop...

Baniaghil, asieh sadad,

Background and objectives: Health education is a communicative activity that can be used to make people accept hehaviors effective on healthy life. This study aimed at comparing group education and the current method of olucation on family planning  Material and Methods: In This pre-experimental study, the researcher sclected randomly four health centers out of 23. Then 120 women aged 15-45 we...

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