Research Article
Comparison of Different Independent Component Analysis Algorithms for Output-Only Modal Analysis
Figure 3
FFT of each independent component identified by maximization kurtosis with gradient descent method.
(a) FFT of the 1st independent component |
(b) FFT of the 2nd independent component |
(c) FFT of the 3rd independent component |
(d) FFT of the 4th independent component |
(e) FFT of the 5th independent component |
(f) FFT of the 6th independent component |