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Robust range alignment algorithm via Hough transform in an ISAR imaging system

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2 Author(s)
Sauer, T. ; Inst. of Radio Frequency Technol., German Aerosp. Res. Establ., Oberpfaffenhofen ; Schroth, A.

The inverse synthetic aperture radar (ISAR) algorithm for imaging objects moving in a straight line requires range alignment as a preprocessing step since scatterers migrate through the various range bins. The conventional correlation alignment method fails when applied in ground scenarios like an airport due to the clutter environment. A procedure using Hough Transform (HT) alignment is presented which overcomes this disadvantage and provides information for clutter elimination

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:31 ,  Issue: 3 )