Abstract's details

A new multi-look methodology for SAR altimetry

Chris Ray (Saint Mary's College and isardSAT, United States)


Mònica Roca (isardSAT, Spain); Cristina Martin-Puig (isardSAT, Spain); Albert Garcia (isardSAT, Spain); Roger Escola (isardSAT, Spain)

Event: 2014 Ocean Surface Topography Science Team Meeting

Session: Instrument Processing: Measurement and retracking (SAR and LRM)

Presentation type: Type Poster

Contribution: not provided


Using techniques of Synthetic Aperture Radar (SAR) it is possible to partition the radar beam formed by the antenna into a set of much narrower beams.  As a target passes the radar platform it is imaged by each of these beams in turn. By combining these multiple looks at the target it is possible to reduce the speckle noise of the image. Through a Jason-CS funded contact with ESTEC/ESA, isardSAT has developed a new method of combining the single looks of a SAR altimeter signal that significantly improves the SNR compared with the standard multi-look method.

Chris Ray
Saint Mary's College and isardSAT
United States