Quantitative Identification of Pulse-Like Ground Motions Based on Hilbert–Huang Transform

Table 1

The velocity pulse index.

	Tp (s)	PGV (cm/s)	Index	A (rad)
HHT	2.0907	35.6323	0.9903	0.1569
Wavelet	2.2330	32.4189	0.7937	0.4572