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Blind reconstruction of synthetic aperture radar images

O.V. Goryachkin1,2
1Povolzhskaya State Academy of Telecommunication and Informatics

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Pages: 168-174.

Abstract:
The article discusses the problem of compensation of degradation effects of the spatial resolution of a synthetic aperture radar (SAR) resulting from the effects of radio wave propagation in the Earth's atmosphere and errors in the information on the geometry of relative motion of the SAR and the reflecting surface. The article also proposes the algorithms for blind reconstruction of SAR images, including those based on the method of minimum entropy, for the cases of both parametric (autofocus) and nonparametric uncertainty. The authors present the results of experimental verification of the proposed algorithms when reconstructing the L-band aircraft SAR.

Keywords:
blind reconstruction, synthetic aperture, radar image, synthetic aperture radar, SAR, Earth's atmosphere, reflecting surface, radio wave, minimum entropy, autofocus, nonparametric uncertainty, L-band.

Citation:
Goryachkin OV. Blind reconstruction of synthetic aperture radar images. Computer Optics 2003; 25: 168-174.

References:
  1. Goryachkin OV, Dusaev ShZ, Zheleznov YuE, Filimonov AR. Contemporary state and ways of the development of radar space systems of remote sensing of the Earth [In Russian]. In Book: Collection of scientific and technical articles. Samara: “CSKB” Publisher; 1999: 49-56.
  2. Oliver CJ. Synthetic-aperture radar imaging. J Phys D Appl Phys 1989; 22(7): 871-890.
  3. Goryachkin OV. Automatic focusing of images in a synthetic aperture radar. Trudy Uchebnykh Zavedeniy Svyazi 1996; 161: 128-134.
  4. Prati C. Autofocusing synthetic aperture radar images. SEP-57 1988: 441-456.
  5. Goryachkin O.V., Klovsky D.D. The some problems of realization spaceborne SAR’s in P, UHF, VHF bands. IEEE 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99) 1999; 2: 1271-1273.
  6. Goryachkin OV, Dobrynin SS. Blind identification of communication systems: an overview of methods. Infokommunikatsionnyye tekhnologii 2003; 1.
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