1. Université Bordeaux, Bordeaux INP, LCPO, UMR 5629, F-33600 Pessac, France
2. CNRS, LCPO, UMR 5629, F-33600 Pessac, France
3. CNES-French Aerospace Agency, 18 avenue Edouard
Belin, F-31401 Toulouse
cedex 9, France
4. ONERA-The French Aerospace LAB, F-31055 Toulouse France
5. MAP-ZI, 2 rue Clément Ader, 09100 Pamiers, France