Application of Hilbert-Huang Transform in Generating Spectrum-Compatible Earthquake Time Histories

Table 1

Seismic design spectra.

Location	Type	Probability of exceedence	Resource
Quebec City	UHS	0.0004 per annum	GSC
La Malbaie	UHS	0.0004 per annum	GSC
Quebec City	CDS	0.0004 per annum	N289.3-M81 and GSC
La Malbaie	CDS	0.0004 per annum	N289.3-M81 and GSC
New York City	CDS	0.0004 per annum	RG 1.60 and USGS
Chicago	CDS	0.0004 per annum	RG 1.60 and USGS
ENA Sites	UHS	0.001–0.00001 per annum	[33]