Research Article
Improved Continuous Wavelet Transform for Modal Parameter Identification of Long-Span Bridges
Figure 6
Logarithmic curve of the amplitude of wavelet coefficients up to the third orders before and after extension. (a) First order before extension. (b) First order after extension. (c) Second order before extension. (d) Second order after extension. (e) Third order before extension. (f) Third order after extension.
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