Instantaneous Modal Parameter Identification of Linear Time-Varying Systems Based on Chirplet Adaptive Decomposition

Table 3

Errors of identification results of instantaneous frequency.

MAPE (%)	Mode	SNR (dB)
		Noise-free	100	50	20
Morlet	1st	2.421	2.444	2.444	2.514
	2nd	8.141	8.152	8.153	8.157
	3rd	1.091	1.076	1.081	1.136
GLCT	1st	1.553	1.556	1.557	1.571
	2nd	1.305	1.312	1.314	1.316
	3rd	0.911	0.905	0.907	0.927