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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2011, Vol. 8, No. 4, pp. 219-227

Possibility to measure velocity vector of surface currents by means of nautical radar with wide beamwidth antenna

D.V. Ivonin 1, V.А. Telegin 2, А.I. Azarov 3, А.V. Ermoshkin 4, V.V. Bakhanov 4
1 P.P.Shirshov Institute of Oceanology RAS, 36, Nakhimovsky av., Moscow, 117997, Russia
2 Research Institute for Long-Range Radiocommunication, 12/11, Bukhvostov str., Moscow, 107076, Russia
3 Southern Branch, P.P.Shirshov Institute of Oceanology RAS, 1-g, Prostornaja str., Gelendzhik, Krasnodar region, 353470, Russia
4 Institute of Applied Physics RAS, 46, Ulyanov str., Nizhnij Novgorod, 603950, Russia
An opportunity to use the nautical X-band radar with the wide antenna beamwidth (1.9о) for reconstruction of vector velocity of sea surface currents is testing. Method developed for Wamos systems to obtain the sea wave spectrum from sequences of nautical radar images is applied. The method is based on a technique of separating the wave signal from the speckle-noise using the dispersion relation for surface gravity waves. Results of the experiments at the Black Sea are reported. A successful example of a set of reconstructions of vector velocity is presented.
Keywords: X-band, nautical radar, remote sensing, currents, coastal zone
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