Traffic Vibration Signal Analysis of DAS Fiber Optic Cables with Different Coupling Based on an Improved Wavelet Thresholding Method.
Yuhang AnJihui MaTuanwei XuYunpeng CaiHuiyong LiuYuting SunWenfa YanPublished in: Sensors (2023)
Keyphrases
- fiber optic
- signal analysis
- thresholding method
- telecommunication networks
- wavelet decomposition
- multiresolution
- lifting scheme
- wavelet transform
- gray level
- signal processing
- motion detection
- wavelet coefficients
- multiscale
- power distribution
- vibration signal
- median filter
- subband
- feature extraction
- wavelet domain
- empirical mode decomposition
- high frequency
- image compression
- adaptive learning
- discrete wavelet transform
- denoising
- wavelet packet
- image processing
- background subtraction
- wavelet analysis
- operating conditions
- image fusion
- sar images
- optimization procedure
- high bandwidth
- extracted features
- feature vectors
- pixel values
- image denoising
- fault diagnosis