Comparative Application of Time-Frequency Methods on Strong Motion Signals

Table 2

Relative errors of Mosha3 station accelerogram components.

Method	Record
	Vertical	Lateral	Transverse
STFT	0.0025	0.0024	0.0021
DCST	5.2245e − 16	5.3432e − 16	5.4740e − 16
CWT	0.0430	0.0548	0.0871
FDWT	4.5624e − 15	4.7466e − 15	4.6955e − 15
SST	1.6274e − 04	2.4436e − 04	3.2963e − 04
SET	1.0111	1.0050	1.0055
SYNCWT	0.0036	0.0019	0.0018
FBANK	1.4547e − 15	1.4868e − 15	1.5393e − 15
EMD	2.0158e − 16	1.5211e − 16	1.6805e − 16
FDM	1.8451e − 16	1.6919e − 16	1.6520e − 16