LI Liang, LIU Chong, WEI Jia-hong, et al. Separation of vertical strain signal of seamless railway based on wavelet transform[J]. 2017, 36(3): 17-20. DOI: 10.13873/J.1000-9787(2017)03-0017-04.
Reason causes baseline drift of the vertical strain signal are analyzed
wavelet transform is used to decompose and reconstruct signal of the vertical strain
separate the strain caused by wheel-rail force and temperature. In the Matlab environment
vertical strain signal from the distributed rail stress monitoring technology and database of wireless sensor networks system are processed. The results show that the method can separate different components in signals effectively.
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