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Wang Li, Wu Xiongbin, Ma Ketao, Shen Zhiben. A Method to Detect Ocean Surface Current Based on X-Band Marine Radar[J]. Geomatics and Information Science of Wuhan University, 2015, 40(1): 90-95.
Citation: Wang Li, Wu Xiongbin, Ma Ketao, Shen Zhiben. A Method to Detect Ocean Surface Current Based on X-Band Marine Radar[J]. Geomatics and Information Science of Wuhan University, 2015, 40(1): 90-95.
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A Method to Detect Ocean Surface Current Based on X-Band Marine Radar

  • 1School of Electronic Information Wuhan University Wuhan 430072 China

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  • Received Date: July 03, 2014
  • Published Date: January 04, 2015
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  • A detection method for ocean surface currents based on the Doppler shift and Bragg scattering for sea clutter imaging using X-band marine radar is addressed in this research. A preprocessing algorithm for current inversion combined with geometric filtering model is presented. Maximun current velocity is not required for band-pass filter processing，since accurate current velocity can be obtained only with liner wave theory dispersion equation and a least-squares algorithm. As compared with the conventional flow detection method using X-band navigation radar，this new algorithm is simple and efficient.It uses resources effectively,and can be applied to both shore-based X-band and shipborne X-band navigation radar. A validation comparison with sea surface current data from a near-by HFUWR shows that this algorithm effectively improves the accuracy and stability of the radar.
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