Keyphrases
Acoustic Signal
100%
Wayside
100%
Resonance-based Sparse Signal Decomposition
100%
Fault Feature Extraction
100%
Train Bearing
100%
Decomposition Method
85%
Improved Singular Value Decomposition
85%
Bearing Fault
57%
Singular Value Decomposition
28%
Fault Information
28%
Savitzky-Golay Filter
28%
Spectral Analysis
14%
Noise Level
14%
Optimization Strategy
14%
Filter Parameter
14%
Noise Signal
14%
Hilbert Transform
14%
Ensemble Empirical Mode Decomposition
14%
Spectral Entropy
14%
Singular Vectors
14%
Axle
14%
Decomposition Theorem
14%
Noise Interference
14%
Stepwise Optimization
14%
Bearing Fault Features
14%
Strong Background Noises
14%
Decomposition Components
14%
Hilbert Envelope Spectrum
14%
Wayside Acoustic Detection
14%
Field-based Experiment
14%
Hilbert Spectrum
14%
Harmonic Interference
14%
Railway Transport System
14%
Feature Information
14%
Background Harmonic
14%
Engineering
Acoustic Signal
100%
Singular Value Decomposition
100%
Feature Extraction
100%
Sparse Signal
100%
Train Bearing
100%
Resonance Component
28%
Railway
14%
Harmonics
14%
Filter Parameter
14%
Empirical-Mode Decomposition
14%
Optimization Strategy
14%
Singular Vector
14%