Title :
Time-varying spectrum estimation of uniformly modulated processes by means of surrogate data and empirical mode decomposition
Author :
Moghtaderi, Azadeh ; Flandrin, Patrick ; Borgn, Pierre
Author_Institution :
Lab. de Phys., Ecole Normale Super. de Lyon, Lyon, France
Abstract :
We propose a new estimate of the time-varying spectra of uniformly modulated processes. The estimate is based on a resampling scheme which incorporates empirical mode decompositions and surrogate data techniques. The performance of the method is studied via simulations.
Keywords :
estimation theory; spectral analysis; empirical mode decomposition; surrogate data technique; time-varying spectrum estimation; uniformly modulated process; Arithmetic; Baseband; Fluctuations; Seismology; Signal processing; Spectral analysis; Stochastic processes; Testing; Time frequency analysis; Yttrium; Bandlimited signals; spectral analysis; stochastic processes; time-frequency analysis;
Conference_Titel :
Acoustics Speech and Signal Processing (ICASSP), 2010 IEEE International Conference on
Conference_Location :
Dallas, TX
Print_ISBN :
978-1-4244-4295-9
Electronic_ISBN :
1520-6149
DOI :
10.1109/ICASSP.2010.5495890
