Spatial and temporal scattering characteristics of some simple targets in spaceborne SAR imagery

Richard Norland; Richard Olsen

doi:10.1117/12.453971

28 January 2002 Spatial and temporal scattering characteristics of some simple targets in spaceborne SAR imagery

Richard Norland, Richard Olsen

Proceedings Volume 4543, SAR Image Analysis, Modeling, and Techniques IV; (2002) https://doi.org/10.1117/12.453971
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

Abstract

The signal to clutter ration of targets in Synthetic Aperture Radar (SAR) images is a function of the resolution cell and the backscattered radar cross section (RCS) of the target where both the resolution cell and the RCS of the moving target are a function of the time. Due to the long integration time both the SAR look angle and the spatial reflection pattern vary during the integration. Hence, there exist a complex interaction between the spatial reflection pattern, the temporal variation of the moving target, the long integration time and the varying platform look angle. This complex interaction gives an upper and lower limit to the size of simple scatterers such as flat plates. An attempt has been made to try and assess the size and geometry of typical main scatterers of a generic maritime target in order to predict the imaging capabilities of the soon to be launched ENVISAT SAR.

Citation Download Citation

Richard Norland and Richard Olsen "Spatial and temporal scattering characteristics of some simple targets in spaceborne SAR imagery", Proc. SPIE 4543, SAR Image Analysis, Modeling, and Techniques IV, (28 January 2002); https://doi.org/10.1117/12.453971

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