نتایج جستجو برای: impedance convertor
تعداد نتایج: 36236 فیلتر نتایج به سال:
This article aims to explain how the knowledge of pragmatics, and in particular literary pragmatics as a new approach, can help translator. More point, it endeavors highlight important part different pragmatic backgrounds represented by active cooperative effort that translator should assume with author, source text, target language so he/she succeed transferring faithfully elements both regist...
reservoir characterization plays an important role in different parts of an industrial project. the results from a reservoir characterization study give insight into rock and fluid properties which can optimize the choice of drilling locations and reduce risk and uncertainty. delineating hydrocarbon bearing zones within a reservoir is the main objective of any seismic reservoir characterization...
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The electromechanical (E/M) impedance method is a powerful technique in active structural health monitoring (SHM). E/M impedance method utilizes as its main apparatus an impedance analyzer that reads the in-situ E/M impedance of piezoelectric wafer active sensors (PWAS) attached to the monitored structure. Present-day impedance analyzer equipments (e.g.HP4194) are bulky, heavy and expensive lab...
In this paper a novel method for computing the radiation pattern and also the input impedance of a planar rectangular micro-strip antenna array with consideration of mutual coupling and mutual impedance is presented. Each two triangles with a common edge make an Edge element or RWG. Any such edge element is considered as an infinitesimal dipole. The electrical currents over each dipole can be c...
Abstract: Four-switch synchronous buck-boost (FSBB) converter is much suitable for battery management system for its characteristic of wide input voltage range, high efficiency, and positive voltage output. A three mode control scheme with two modulation signals and one carrier can be adopted to achieve the smooth transition among modes. Using feed forward voltage mode control, the input voltag...
Abstract This education compares Electro-oxidation of produced H2O created through oil manufacturing using Al and Fe electrodes in photovoltaic batch reactor was designed reflects the degree its tradition such purifying that is a cell as photovoltaic, battery, DC to AC convertor, electric –Fenton. During electro-oxidation processes, various limits operation were tested, i.e., Current, H 2 O , t...
The purpose of this study is to provide a new approach for detection using bio-impedance. This impedance is measured by the four-electrode method. As the impedance changes resulting from ankle, knee, and hip movements depended heavily on electrode placement, we determined the optimal electrode configurations for those movements by searching for high correlation coefficients, large impedance cha...
BACKGROUND Intrathoracic impedance-derived OptiVol fluid index calculated using implanted devices has been shown to predict mortality; direct measurements of impedance have not been examined. We hypothesized that baseline measured impedance predicts all-cause mortality; changes in measured impedance result in a change in the predicted mortality; and the prognostic value of measured impedance is...
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