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- W4205507992 abstract "Using global navigation satellite systems as transmitters of opportunity for target detection is a hot issue. The problems of this technology are the restricted power budget provided by navigation satellites and the defocusing caused by the movement of target. To refocus the echo and improve the signal-to-noise ratio under the condition of Beidou Geostationary satellites, this article uses jointly the short-time coherent integration and the long-time integration based on Fractional Fourier transform to correct the range migration and the Doppler frequency migration of signals for refocusing the signal energy. The effectiveness of the proposed algorithm for refocusing the echo from different types of maneuvering ships (a cargo ship and a ferry) is confirmed via an experimental campaign." @default.
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- W4205507992 date "2022-01-01" @default.
- W4205507992 modified "2023-10-14" @default.
- W4205507992 title "SNR Improvement for Maneuvering Ship Using Weak Echo Under the Condition of Beidou GEO Satellites" @default.
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- W4205507992 doi "https://doi.org/10.1109/jstars.2022.3142768" @default.
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