C. Chen, W. Wu, and Y. Shih, Effects of Environmental Variability on Stay Cable Frequencies, Proceedings of Second International Symposium on Life-Cycle Civil Engineering, 2010.

C. Chen, W. Wu, and C. Liu, Effects of Temperature Variation on Cable Forces of an Extradosed Bridge, Proceedings of Sixth European Workshop on Structural Health Monitoring, 2012.

C. Chen, W. Wu, and H. Tseng, Measurement of Ambient Vibration Signal of Shorter Stay Cables from Stressing to Service Stages, Proceedings of Fourth European Workshop on Structural Health Monitoring, 2008.

N. E. Huang, Z. Shen, S. R. Long, M. C. Wu, H. H. Zheng et al., The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.454, issue.1971, pp.903-993, 1998.
DOI : 10.1098/rspa.1998.0193

Z. Wu and N. E. Huang, ENSEMBLE EMPIRICAL MODE DECOMPOSITION: A NOISE-ASSISTED DATA ANALYSIS METHOD, Advances in Adaptive Data Analysis, vol.01, issue.01, pp.1-41, 2009.
DOI : 10.1142/S1793536909000047