Daouda PENE, currently a post-doctoral fellow at TéSA/IPSA, presented the research work of his PhD thesis, defended in December 2024, on the modeling of fuel cell aging using a hybrid approach, carried out within the LAPLACE laboratory in collaboration with the Toulouse Institute of Mathematics. His post-doctoral work focuses on the development of regression methods on Lie groups in collaboration with Samy Labsir (IPSA/TéSA), Jean-Yves Tourneret (IRIT/TéSA) and Julien Lesouple (ENAC/TéSA).

Lisa Bedin, currently a doctoral student in computer science at the École Polytechnique in Palaiseau, is defending her PhD thesis in May 2025. Her research covers diverse areas such as diffusion models, language models, and biomedical applications. As a preview before her defense, she came to present her thesis work on diffusion models with an application to electrocardiogram (ECG) reconstruction.

On March 4, 2025, Lorenzo Ortega brilliantly defended his Habilitation à Diriger les Recherches (HDR) in front of a jury that praised the richness and level of his work: from left to right in the photo, Patrick DANES, Professor at Paul Sabatier University in Toulouse, Eric CHAUMETTE, Professor at ISAE-SUPAERO, Cédric RICHARD, Professor at Côte d’Azur University, Audrey GIREMUS, Professor at Bordeaux University, Lorenzo ORTEGA (our new HDR), Jean-Yves TOURNERET, Professor at Toulouse-INP and Nabil EL KORSO, Professor at Paris-Saclay University.

Congratulations Lorenzo for this great defense! A great career is coming for you … and for all those who are lucky enough to work with you 🙂

Corentin Lubeigt, postdoctoral fellow at Météo-France and former TéSA doctoral student, came to present an overview and perspectives on weather radars. While his PhD thesis focused on the study of GNSS signals reflected on the ground surface (see picture), he has now turned to weather applications to apply signal processing tools to weather radars. His research topics mainly focus on the analysis and improvement of estimator performance with applications in Earth observation and physical phenomena.

Willing to do a PhD? Interested by Space? Join us!

BEFORE March 14, apply online for TéSA thesis subjects at CNES! Seven topics are proposed:

• Protocols and RL Optimization for Nanosatellite Swarm Networks ;
• Optimizing Image Streaming via Dedicated Satellite Constellation Network ;
• Registration of Satellite Images by Spatial Contextualisation ;
• Detection / Localisation of Target Based on GNSS Reflectometry Processing ;
• Bias-Bounded Estimation of Phase Ambiguity for Precise Swarm positioning ;
• Machine Learning for Instrument Parameter Estimation ;
• Quantitative Forest Loss Monitoring using the BIOMASS Mission.

But before applying, do not hesitate to contact the PhD advisor mentioned or the director of TéSA (corinne.mailhes at tesa.prd.fr) for more information.

Colin Cros, postdoctoral fellow at ISAE-SUPAERO came to talk to us about cooperative positioning algorithms… a subject so fascinating that we forgot to take the traditional picture! This subject was at the heart of his PhD thesis work carried out at GIPSA-Lab in Grenoble, under the supervision of Pierre-Olivier Amblard and Christophe Prieur and financed by TELESPAZIO.

As part of his “visiting researchers” program, Petar Djuric, professor at Stony Brook University, USA, came to TéSA for a month. On this occasion, he presented us on October 30, 2024 a first seminar on “Bayesian optimization of time-varying functions” and on November 14, a second seminar on “Explainable learning with Gaussian processes“, seminars that revealed to us the magic of Gaussian processes…