The issues of moving target detection in SAR systems

Piotr Serafin

doi:10.1117/12.675088

26 April 2006 The issues of moving target detection in SAR systems

Piotr Serafin

Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 61591Q (2006) https://doi.org/10.1117/12.675088
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland

Abstract

The publication presents problems emerging from the area of overlapping of two advanced radar techniques: Airborne Moving Target Indication (AMTI) and Synthetic Aperture Radar (SAR). The first technique applied to airborne radar systems, especially in fighters and Airborne Early Warning systems does not require high resolution abilities from radar systems, but its high computational requirements result from the necessity of fast and usually adaptive matching of system characteristics to rapidly changing disturbances. The second technique, based on the quasi stationarity of the electromagnetic field in the observed space, allows to obtain a high resolution radar image only for non-moving objects. The computational complexity of SAR algorithms is connected with large amount of data collected during the observation period. The attempt of application of SAR system to detect and exactly localize moving targets leads to certain distortions and deformations in radar image. This paper presents impact of the movement of targets on SAR image and possible ways of improvement of its quality and determining of movement parameters.

Citation Download Citation

Piotr Serafin "The issues of moving target detection in SAR systems", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 61591Q (26 April 2006); https://doi.org/10.1117/12.675088

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