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Journal of Engineering
Volume 2013 (2013), Article ID 414109, 16 pages
Research Article

One More Tool for Understanding Resonance and the Way for a New Definition

1Electrical Engineering Department, Faculty of Engineering, Kinneret College on the Sea of Galilee, Jordan Valley 15132, Israel
2Electrical Engineering Department, Faculty of Engineering, Tel-Aviv University, Israel

Received 20 August 2012; Accepted 2 November 2012

Academic Editor: H. P. S. Abdul Khalil

Copyright © 2013 Emanuel Gluskin et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We propose the application of graphical convolution to the analysis of the resonance phenomenon. This time-domain approach encompasses both the finally attained periodic oscillations and the initial transient period. It also provides interesting discussion concerning the analysis of nonsinusoidal waves, based not on frequency analysis but on direct consideration of waveforms, and thus presenting an introduction to Fourier series. Further developing the point of view of graphical convolution, we arrive at a new definition of resonance in terms of time domain.