An approach for the suppression of ambiguities in ISAR images caused by irregular sampling
Kempf, T. and Peichl, M. and Dill, S. and Süß, H. (2002) An approach for the suppression of ambiguities in ISAR images caused by irregular sampling. In: Ger,am Radar Symposium GRS 2002, Proceedings, pp. 159-165. GRS, Bonn, 3.-5.09.2002.
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This paper addressed the effects of irregular azimuth sampling. Consequently the conditions for unambiguous imaging are violated, which is shown for high resolution X-band ISAR measurements. On the background for automatic recognition of relocatable military targets, a filtering method is presented which suppresses the speckle noise and the ambiguities caused by the irregular sampling. The method extracts the most robust scattering centers of the target in depencence of the radar´s illumination direction. This is achieved by an investigation of the signal phases to perform a coherence analysis.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||An approach for the suppression of ambiguities in ISAR images caused by irregular sampling|
|Journal or Publication Title:||Ger,am Radar Symposium GRS 2002, Proceedings|
|Page Range:||pp. 159-165|
|Keywords:||embiguity suppression, irregular sampling, ISAR, High Resolution Radar Imaging|
|Event Title:||GRS, Bonn, 3.-5.09.2002|
|Organizer:||German Radar Symposium|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Microwaves and Radar Institute|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 19:43|
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