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- W2878498411 abstract "In order to carry out AE experiments in the field, a crack source should be made at the field site. However, it's dangerous to make an actual crack in the in-service rail, which makes generating a simulated crack signal of significant importance. In this paper, a signal recovery method based on Least-Square Deconvolution with sectional regulatory factors is proposed. The impulse response of the AE acquisition system is obtained by LSD to eliminate the noise interference. Then simulated crack source is deconvolved by an actual crack signal to be reproduced and modified with sectional regulatory factors to compensate the effect of attenuation. The results in the field experiment illustrate that the proposed method has a general applicability in inversion problem of transient arbitrary AE signals, which can be utilized in generating AE source for inspection of AE acquisition devices in the in-service railway and studies of the properties of AE sources." @default.
- W2878498411 created "2018-07-19" @default.
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- W2878498411 date "2018-05-01" @default.
- W2878498411 modified "2023-10-11" @default.
- W2878498411 title "An improved recovery method of rail crack signal based on least-square deconvolution algorithm with sectional regulatory factors" @default.
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- W2878498411 doi "https://doi.org/10.1109/i2mtc.2018.8409554" @default.
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