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    Imaging Modes

    RADARSAT-2 is the most flexible, highest-capacity commercial SAR sensor, and provides customers in the ?urban monitoring sector with a range of SAR imagery options for every application.



    SWATH WIDTH: 18 km

    The Spotlight Beam Mode is intended for applications which require the best spatial resolution available from RADARSAT-2. In this imaging mode, the beam is steered electronically in order to dwell on the area of interest over longer aperture times, which allows products to be processed to finer azimuth resolution than in other modes. Unlike in other modes, Spotlight images are of fixed size in the along track direction. The Spotlight mode covers any area within the incidence angle range from 20 to 50 degrees.

    As the highest resolution mode on RADARSAT-2, Spotlight is used for any application that requires the best resolving power. Spotlight imagery has a nominal resolution of 3 metres but with over sampling of the data in the azimuth direction.  In urban monitoring applications, this beam mode is useful for small targeted operations that may require high spatial and temporal resolution, such as tunneling projects.

    The imaging modes identified in this section are a representative sample of the 20 imaging modes available on RADARSAT-2, and have been highlighted for their applicability to urban monitoring applications. A complete listing of all the RADARSAT-2 beam modes and their specifications, are available in the Satellites section of this site.

    Not sure these modes give you what you need? Speak with one of our Customer Service representatives, and we'll show you how MDA and RADARSAT-2 can address your geospatial requirements.

    Ultra Fine

    SWATH WIDTH: 20 km

    The Ultra-Fine Resolution Beam Mode is intended for applications which require very high spatial resolution. The Ultra-Fine mode covers any area within the incidence angle range from 20 to 50 degrees.

    The Ultra-Fine imaging mode is also available in a Wide variant that provides the same spatial resolution as the Ultra-Fine mode as well as wider coverage, but at the expense of higher data compression ratios (which leads to higher signal-dependent noise levels).

    This imagery is provided with a nominal ground resolution of 3 metres. It provides accurate discrimination between points, and has been demonstrated to provide up to 4 millimetre accuracy for measurements in urban areas.  The Ultra-fine beam mode is used to monitor larger urban areas, including highways, buildings, railways etc.