Abstract
This paper presents a robust online denoising algorithm for use in the online, instantaneous detection of changing harmonic signals. This algorithm uses a classical time correlation function (scalar product). For instantaneous frequency detection, a short window is considered. It is known that cleaned signals are required to determine the correct correlation between short signals. The measured signal is cleaned by the proposed noise removal algorithm, which uses wavelet packets. The proposed cleaning method avoids classical thresholding techniques. Computer simulations that validate the procedure are shown.
| Original language | English |
|---|---|
| Journal | Mechanical Systems and Signal Processing |
| Volume | 35 |
| Issue number | 1-2 |
| Pages (from-to) | 137-149 |
| Number of pages | 13 |
| ISSN | 0888-3270 |
| DOIs | |
| Publication status | Published - 02.2013 |
Research areas and keywords
- Engineering
- Noise detection
- Oscillation detection
- Pantograph control
- Wavelets
ASJC Scopus Subject Areas
- Aerospace Engineering
- Mechanical Engineering
- Civil and Structural Engineering
- Signal Processing
- Computer Science Applications
- Control and Systems Engineering
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