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Radio Physics and Radio Astronomy

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 2152-274X

ISSN Online: 2152-2758

SAR PROCESSING ALGORITHM WITH BUILT-IN GEOMETRIC CORRECTION

Volumen 2, Ausgabe 3, 2011, pp. 277-286
DOI: 10.1615/RadioPhysicsRadioAstronomy.v2.i3.100
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ABSTRAKT

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.

REFERENZIERT VON
  1. 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

  2. Bezvesilniy O. O., Vavriv D. M., Recent advances in SAR technique, 2012 6th International Conference on Ultrawideband and Ultrashort Impulse Signals, 2012. Crossref

  3. 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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