An innovative Doppler Centroid estimator for ERS-2 Wave Mode Data acquired under Zero Gyro Mode

Konferenz: EUSAR 2010 - 8th European Conference on Synthetic Aperture Radar
07.06.2010 - 10.06.2010 in Aachen, Germany

Tagungsband: EUSAR 2010

Seiten: 4Sprache: EnglischTyp: PDF

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Recchia, Andrea; Guarnieri, Andrea Monti (Politecnico di Milano, Italy)
D’Aria, Davide; Giudici, Davide (Aresys s.r.l, Italy)
Miranda, Nuno (Esa-Esrin, Italy)

In this paper a novel Doppler Centroid estimator is proposed aiming at solving the ambiguity of ERS2 Wave Mode (WM) data. This method exploits the Helpful ESA Yaw angle product (HEY), derived from ERS2 wind-scatterometer, combined with an attitude model to retrieve the correct Doppler ambiguity for WM data. This paper presents the approach developed and discusses the validation results obtained over a limited set of ERS2 data.