Dynamic Responses of the Metro Train’s Bogie Frames: Field Tests and Data Analysis

Table 2

Frequency of each decomposition level.

Decomposition level	Frequency (Hz)	Decomposition level	Frequency (Hz)
1	125–250	5	7.81–15.625
2	62.5–125	6	3.91–7.81
3	31.25–62.5	7	1.96–3.91
4	15.625–31.25	8	0.98–1.96