Due to this Fourier series exclusive interpretation applied to periodical signals, which shows that a stationary harmonic signal with a single pulsation  cannot contain components of other pulsations but its own pulsation ...

After recording and storage of experimental data, a first step in their processing is filtering, ie, removal of parasitic components (noise) accompanying the signal due from other machines or equipment in service or ...

This paper presents a method of verification in the design phase, the mechanical power necessary involvement hydraulic pumps for excavators with bucket reverse.Because, in the design phase the digging forces are not ...

The acoustical parameters, dimensional determination and construction of sonic generator is described in the paper. The generator’s dimensional determination and construction show that the nozzle slot, the axial resonator ...

CATIA is one of the most performance graphics programs that has been created for the production of technical drawings in the 2d and 3d with a high precision. In this paper, we have presented a simple assembly that is a ...

The goal of Lisbon Agenda is to make the EU "the most dynamic and competitive knowledge-based economy in the world, capable of sustainable economic growth improving skiels for more and better jobs and greater social ...

In this paper, competitiveness, will be understood as the capacity (potential) to provide performance (compared with other similar elements), in a very exact way, within a macroeconomic concrete context and at a certain ...

Today’s economic context allows corporations and their business environment to produce larger and larger amounts of data relying on the latest information. For the survival in actual complex and unpredictable environment, ...

Competitiveness fully and synthetically characterizes the viability of an enterprise. In the economics literature competitiveness is analyzed in particular in economic and managerial terms with almost no insight into the ...

Decreasing of sound and vibration global level inside and/or outside the public works equipment’s cabin as well as the reduction the noise pollution or the pollution accounted by the vibration and mechanical shocks on ...