| Paper: | SPTM-L7.1 | ||
| Session: | Time-Frequency Representations: Applications | ||
| Time: | Thursday, May 18, 16:30 - 16:50 | ||
| Presentation: | Lecture | ||
| Topic: | Signal Processing Theory and Methods: Non-stationary Signals and Time-Frequency Analysis | ||
| Title: | Frequency Estimation from a Particular Almost Periodic Function with Application to Laser Vibrometry Signals | ||
| Authors: | Céline Levy-Leduc, Université Paris-Sud, France | ||
| Abstract: | We consider the problem of estimating the frequency of an unknown periodic function from observations which consist of a particular almost periodic function and additive white noise. First, we propose a frequency estimator based on a penalized least-squares approach and we explain how to implement it in practice. Then, we compare its performances with the optimal ones forecast by a theoretical study. At last, we apply our processing to some signals arising in laser vibrometry and compare it with a classical technique in such a field. | ||
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