The thesis presents a general overview of the Z-source converters and the main formulae describing the operation of a Z-source inverter. Several topologies for connecting impedance network to three-phase four-switch inverter ...

In this paper, the authors aim to present some aspects about the history of treatment plants. If the importance of providing drinking water for a community has been paramount since the beginning of mankind, sewage and ...

The quality of soldering connexions from electronic devices is determined by various types of factors, most important are the materials used for soldering, soldering technology, soldering process parameters, electronic ...

The scope of the paper is to analyze the sustainability in irrigation field of fiscal incentives established by Governments in agricultural sector and the manner fiscal incentives are registered, especially the reduced ...

Teza de doctorat prezinta o abordare noua, concentrata pe metode utile in culegerea de date exacte de la senzori. Sunt considerate in mod special metode de filtrare a informaţiilor afectate de zgomote sau diverse erori, ...

Bei einer Übersetzung sind Recherchen sehr wichtig, denn der Übersetzer ist selten in allen Themengebieten bis ins Detail bewandert. Der alltägliche Unterricht enthüllt jedoch eine völlig andere Wirklichkeit. Immer wieder ...

The present paper has as purpose the achieving of topographical and cadastre works in order to achieve an Urban Zonal Plan in Petroasa Mare locality. By definition the urban plan establish specific regulation for a area, ...

We propose an improved spectral subtraction method for reducing acoustic noise added to speech in noisy environments like helicopter cockpit or car engine. Basic power spectral subtraction is modified using Discrete Hartley ...