SeaSonde 高頻測流雷達應用於船舶回波識別與方位判定之研究

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SeaSonde 高頻測流雷達應用於船舶回波識別與方位判定之研究

Identification and Direction Finding of Ship Echoes with SeaSonde HF Radar

陳禹儒 , Masters　　Advisor：莊士賢　　

繁體中文

高頻雷達；船舶回波；調適性訊號識別；多重訊號分類； high-frequency (HF) radar ； ship echoes ； adaptive signal identification (ASI) ； multiple signal classification (MUSIC)

Abstract │ Reference (66) │ Altmetrics

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Enhancing near-real-time surveillance capability for complex vessel movements within an exclusive economic zone (EEZ) is an important issue for maritime management.
High-frequency (HF) radar’s over the horizon property can effectively extend detection range to cover most of an EEZ area, making it suitable for a long-range vessel
monitoring system. An island-wide HF radar network has been established in Taiwan primarily to monitor ocean surface currents and other oceanic parameters. The purpose of this study is to develop a technique for detecting and tracing vessel echoes using the radar sea returns from HF radar stations without interfering with existing system functions. The proposed technique integrates two algorithms, namely an adaptive signal identification algorithm, which is used to extract ship positions and radial velocity information of ship echoes, and a multiple signal classification algorithm, which is used to retrieve ship bearing information. The ship information retrieved from HF radar data was verified against automatic identification system data. Finally, the accuracy and usefulness of the proposed technique are demonstrated by case studies for the Suao HF radar station.

Reference ( 66 ) 〈TOP〉

[7] Chang, S. J. (2004, November). Development and Analysis of AIS Applications as an Efficient Tool for Vessel Traffic Service. OCEANS'04. MTTS/IEEE TECHNO-OCEAN'04. IEEE, pp. 2249-2253.
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[14] Crombie, D. D. (1955). Doppler Spectrum of Sea Echo at 13.56 Mc./s. Nature, 175, pp. 681-682.
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[15] Cui, X.-r., Zhang, H., & Gulliver, T. A. (2012). Threshold Selection for Ultra-wideband TOA Estimation Based on Neural Networks. Journal of Networks, 7(9), pp. 1311-1318.
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[16] Davies, K. (1990). Ionospheric radio. IET.
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[17] De Paolo, T., Cook, T., & Terrill, E. (2007, September). Properties of HF Radar Compact Antenna Arrays and Their Effect on the MUSIC Algorithm. OCEANS 2007. IEEE, pp. 1-10.
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