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Apodization Method in UWB SAR Imaging
Blekinge Institute of Technology, School of Engineering, Department of Electrical Engineering.
2014 (English)In: 2014 1ST INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING AND INFORMATION & COMMUNICATION TECHNOLOGY (ICEEICT 2014), IEEE Computer Society Digital Library, 2014Conference paper, Published paper (Refereed)
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Text
Abstract [en]

Synthetic Aperture Radar (SAR) image processing involves a two dimensional (2-D) Fourier Transform (FT) and the spectrum shape introduces high intensity sidelobes. These sidelobes may severely distort the image. Apodization technique can decrease the sidelobes level while preserving the image resolution. However, in Ultra wideband (UWB) SAR imaging, we have to reduce both orthogonal and non-orthogonal sidelobes. In this paper, a new linear window function has been presented based on analysis of different linear and non-linear apodization techniques. This new linear method controls both orthogonal and non-orthogonal sidelobes better than other conventional window functions. This method has been applied and verified with a real SAR image.

Place, publisher, year, edition, pages
IEEE Computer Society Digital Library, 2014.
Keyword [en]
Apodization, image resolution, sidelobe, synthetic aperture radar (SAR)
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-11467ISI: 000358383900059ISBN: 978-1-4799-4819-2 (print)OAI: oai:DiVA.org:bth-11467DiVA: diva2:899329
Conference
1st International Conference on Electrical Engineering and Information and Communication Technology (ICEEICT), APR 10-12, 2014, Dhaka, BANGLADESH
Available from: 2016-02-01 Created: 2016-01-20 Last updated: 2017-03-07Bibliographically approved

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