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On spatial aspect decorrelation in SAR and ISAR

: Brisken, S.; Tran, H.-T.


Institute of Electrical and Electronics Engineers -IEEE-:
Ninth IEEE Sensor Array and Multichannel Signal Processing Workshop, SAM 2016. Proceedings : 10-13 July 2016, Rio de Janeiro, Brazil
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2104-8
ISBN: 978-1-5090-2103-1
Sensor Array and Multichannel Signal Processing Workshop (SAM) <9, 2016, Rio de Janeiro>
Fraunhofer FHR ()

This paper is dedicated to the phenomenon that radar observations from large angular variations cannot be integrated coherently if standard SAR/ISAR signal processing is applied. The reasons for this spatial aspect decorrelation are elucidated and a methodology for its characterization is introduced. Finally, the new methodology is used to compare the spatial aspect decorrelation of the standard point scatterer signal model to a signal model where the elementary scatterers are assumed to be tilted wires.