Multibeam Interferometric Sounding Quality for FM Signals: Modelling and Comparison with Field Data

Pauline Vincent (1, 2, 3) , Frederic Maussang (1, 2) , Xavier Lurton (4) , Christophe Sintes (1, 2) , René Garello (1, 2)

1 Lab-STICC_TB_CID_TOMS
2 ITI - Département Image et Traitement Information
3 Simrad (Entreprise)
4 IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer

This paper proposes a complete prediction of the noise level on the intereferometric phase difference measurement for bathymetric MBES, including baseline decorrelation and additive noise. This prediction allows to compare the performance of different pulse shapes (FM or CW). The results are compared to simulation and estimations and survey data, confirming their reliability.

Mots clés: Multibeam echo sounder (MBES); Bathymetry; Baseline decorrelation; Additive noise; Noise level prediction

Domaines: Traitement du signal et de l'image [eess.SP]

Pauline Vincent, Frederic Maussang, Xavier Lurton, Christophe Sintes, René Garello. Multibeam Interferometric Sounding Quality for FM Signals: Modelling and Comparison with Field Data. Oceans 2013 : proceedings of the MTS/IEEE Bergen Conference, Jun 2013, Bergen, Norway. ⟨hal-00845231⟩