Surface clutter due to antenna sidelobes for spaceborne atmospheric radar. - Stephen L. Durden; Eastwood Im; Fuk K. Li; Ralph Girard; Kyung S. Pak (IEEE Trans. Geosci. Remote. Sens., 2001)

The RADARSAT-2&3 topographic mission: an overview. - Ralph Girard; Pok F. Lee; Kenneth James (IGARSS, 2002)

The hydrosphere state mission: an overview. - Dara Entekhabi; Joel Smith; Michael W. Spencer; Ralph Girard (IGARSS, 2003)

The HYDROS radiometer/radar instrument. - Michael W. Spencer; Eni G. Njoku; Dara Entekhabi; Terence Doiron; Jeffrey R. Piepmeier; Ralph Girard (IGARSS, 2004)

The hydrosphere State (hydros) Satellite mission: an Earth system pathfinder for global mapping of soil moisture and land freeze/thaw. - Dara Entekhabi; Eni G. Njoku; Paul R. Houser; Michael W. Spencer; Terence Doiron; Yunjin Kim; Joel Smith; Ralph Girard; Stephane Belair; Wade T. Crow; Thomas J. Jackson; Yann H. Kerr; et al. (IEEE Trans. Geosci. Remote. Sens., 2004)

Processing the hydros SAR data. - Ralph Girard; Guy Séguin; Melanie Lapointe (IGARSS, 2005)

The RADARSAT constellation payload design. - Ralph Girard; Patrick Plourde; Guy Séguin (IGARSS, 2007)

The RADARSAT Constellation Mission: Meeting the Government of Canada's Needs and Requirements. - Dean Flett; Yves Crevier; Ralph Girard (IGARSS (2), 2009)

Development of Canadian hyperspectral imager onboard micro-satellites. - Shen-En Qian; Ralph Girard; Guennadi Kroupnik (IGARSS, 2013)

Concept study of Canadian hyperspectral mission. - Shen-En Qian; Martin Bergeron; Ralph Girard; Guennadi Kroupnik (IGARSS, 2014)

A wide-swath frequent revisit Canadian Hyperspectral Mission - concept study outcomes. - Shen-En Qian; Martin Bergeron; Ralph Girard; Gary Buttner; Tony Sanz; Jennifer Busler (IGARSS, 2016)

A spaceborne coastal and inland water color hyperspectral imager. - Shen-En Qian; Martin Bergeron; Oleg Djazovski; Michael Maszkiewicz; Ralph Girard; Mary Kappus; Jeffrey Bowles; Antonio Mannino; Adam Matuszeski; Michael Furlong; Jean-Pierre Ardouin; Georges Fournier; et al. (IGARSS, 2017)