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

<table>The envelope of resonant oscillations, according to the definition of resonance in [<a href="/journals/je/2013/414109/#B3">3</a>, <a href="/journals/je/2013/414109/#B4">4</a>] and many other technical textbooks. When this steady state is attained? </table>

Journal of Engineering

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Figure 2

Figure 2: One More Tool for Understanding Resonance and  the Way for a New Definition 