Evolutionary Spectral Analyses of a Powerful Typhoon at the Sutong Bridge Site Based on the HHT

Table 2

Variation coefficients of the variances of all OIMFs.

Items	Variation coefficients
	0.2601
	0.5220
	0.6193
	0.9482
	1.0616
	1.0979
	1.1892
	1.3300
	1.1070
	0.8872