Output-Only Modal Analysis Based on Improved Empirical Mode Decomposition Method

<div>Phase angle and amplitude function of the free decay response in Figure <a href="../fig6/">6</a>. (a) Phase angle and its least square fitting. (b) The amplitude logarithm and its least square fitting.</div>

Advances in Materials Science and Engineering

fig12

Figure 12

Figure 12: Output-Only Modal Analysis Based on Improved Empirical Mode Decomposition Method 