EEMD-MUSIC-Based Analysis for Natural Frequencies Identification of Structures Using Artificial and Natural Excitations

Table 2

Comparison of natural frequencies.

Modes	Finite element analysis	Proposed methodology; (EEMD-MUSIC)	DWT-MUSIC
Natural frequency (Hz)
1	24.48	23.44	21.88
2	25.50	25.00	26.56
3	52.57	51.56	50.00
4	54.65	54.69	53.13