SAR PROCESSING ALGORITHM WITH BUILT-IN GEOMETRIC CORRECTION

O. O.  Bezvesilniy; I. M.  Gorovyi; S. V. Sosnytskiy; V. V. Vinogradov; Dmitry M. Vavriv

doi:10.1615/RadioPhysicsRadioAstronomy.v2.i3.100

Radio Physics and Radio Astronomy

Editor en Jefe: Leonid M. Lytvynenko (open in a new tab)

Editor en Jefe Adjuntos: Alexandr A. Konovalenko (open in a new tab) Valery M. Shulga (open in a new tab) Alexei A. Kostenko (open in a new tab)

Publicado 4 números por año

ISSN Imprimir: 2152-274X

ISSN En Línea: 2152-2758

SAR PROCESSING ALGORITHM WITH BUILT-IN GEOMETRIC CORRECTION

Volumen 2, Edición 3, 2011, pp. 277-286

DOI: 10.1615/RadioPhysicsRadioAstronomy.v2.i3.100

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O. O. Bezvesilniy
Institute of Radio Astronomy, National Academy of Sciences of Ukraine

I. M. Gorovyi
Institute of Radio Astronomy, National Academy of Sciences of Ukraine

S. V. Sosnytskiy
Institute of Radio Astronomy, National Academy of Sciences of Ukraine

V. V. Vinogradov
Institute of Radio Astronomy, National Academy of Sciences of Ukraine

Dmitry M. Vavriv
Institute of Radio Astronomy, National Academy of Sciences of Ukraine 4, Krasnoznamennaya St., Kharkiv 61002, Ukraine

SINOPSIS

Synthetic aperture radar (SAR) systems onboard small aircrafts suffer from trajectory deviations and instabilities of antenna orientation. These kinds of motion errors lead to significant geometric distortions in SAR images. In order to correct the distortions, we propose a time-domain multi-look stripmap SAR processing algorithm with built-in geometric correction. In the algorithm, the azimuth reference functions and range migration curves are designed to produce SAR images directly on a correct rectangular grid on the ground plane. The proposed technique has been successfully tested by using a Ku-band airborne SAR system installed onboard light-weight aircraft.

PALABRAS CLAVE: synthetic aperture radar, airborne SAR, geometric distortions, multi-look processing, motion error compensation

CITADO POR

Bezvesilniy Oleksandr O., Gorovyi Ievgen M., Vynogradov Volodymyr V., Vavriv Dmytro M., Range-Doppler algorithm with extended number of looks, 2011 MICROWAVES, RADAR AND REMOTE SENSING SYMPOSIUM, 2011. Crossref
Bezvesilniy O. O., Vavriv D. M., Recent advances in SAR technique, 2012 6th International Conference on Ultrawideband and Ultrashort Impulse Signals, 2012. Crossref
Vavriv D. M., Bezvesilniy O. O., Kozhyn R. V., Vynogradov V. V., Volkov V. A., Sekretarov S. S., SAR systems for light-weight aircrafts, 2011 MICROWAVES, RADAR AND REMOTE SENSING SYMPOSIUM, 2011. Crossref

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