José PICHERAL

Associate Professor

jose.picheral@l2s.centralesupelec.fr

L2S, CentraleSupélec

Bât. Breguet D3.11

3 rue Joliot Curie

91190 Gif-sur-Yvette, France

**Spatial source covariance matrix estimation**(collaboration with Gilles Chardon)- estimation of the correlation between two points of the space (and not only imaging the power for each point of the space)
- useful to identify a set of correlated sources (e.g. one source and its images source due to reflections, or for spatially distributed sources)

**Acoustic imaging for large scale problem**(collaboration with Gilles Chardon)- high number of sensors
- imaging a large region of interest with fine discretization

**Localization of spatially distributed sources**- localization of non-point sources
- estimation of the spatial spread of the sources

**EEG**

**Spectrum estimation for modal analysis with Tip-Timing signal**s- tip-timing signals are sub-sampled and non-uniformly sampled
- sparse spectrum (modal analysis) is estimated with greedy approach: Orthogonal Matching Pursuit (OMP)
- collaboration with SAFRAN SHE

**Spectrogram analysis for fault detection**- collaboration with SAFRAN SAE

(In collaboration with VALEO and Gilles Chardon)

The Valeo project is to replace the car key by a smartphone app, one of the security challenge is to accurately localize the smartphone owner.

**Design of a low-cost antenna array switching receiver**with only one CAN.- Theoretical performance analysis
- Choice of switching sequences

- High resolution methods for non-standard hypothesis (non-uniform geometry, near field, wideband, distributed sources, polarization…)
- Joint estimation of physical parameters (angle, delay, polarization, wave velocity…)
- Theoretical performance analysis

- Array processing, source localization, acoustic imaging
- Spectrum analysis (line spectra), vibration analysis
- High-resolution methods (ESPRIT, MUSIC)
- Sparse constraints for inverse problems

CentraleSupélec,

bât. Bréguet, 3, rue Joliot Curie,

91190 Gif-sur-Yvette

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