Hongquan Qu, Bingbing Wei, Zheng Zhang, Zhiyong Sheng. Feature Extraction Method Based on FDM Energy Entropy and its Application on Optical Fiber Vibration Recognition[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0706006
- Laser & Optoelectronics Progress
- Vol. 58, Issue 7, 0706006 (2021)
Fig. 1. Flowchart of feature extraction and recognition method for optical fiber vibration signals
Fig. 2. Decomposition results. (a) EEMD; (b) FDM
Fig. 3. Coefficient distribution of AMDF. （a） Manual signal; （b） mechanical signal
Fig. 4. Two-dimensional feature distribution
Fig. 5. Original signal and reconstructed signal by FDM. (a) Original signal; (b) reconstructed signal by FDM
Fig. 6. Sorting and distribution of FIBF with greater correlation with the original signal
Fig. 7. FDM energy entropy distribution. (a) Tapping signal; (b) digging signal; (c) running signal; (d) electric drill signal; (e) noise
Fig. 8. Flow chart of classification recognition
|
Table 1. Recognition rate of optical fiber signal with different features processed by FDM
|
Table 2. Recognition rates of fiber optical signal with different features processed by EEMD
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20