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顾及姿态角的多波束声线精确跟踪方法

DOI: 10.3969/j.issn.1006-7043.201310060

Keywords: 多波束测深系统, 波束脚印, 初始入射角, 姿态角, 常梯度声线跟踪

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Abstract:

传统声线跟踪方法中波束初始入射角的计算采用理想状态下多波束提供的波束分配角,未顾及或未完全顾及船体姿态角的影响进而导致波束海底投射点归位计算带入显著性误差问题。针对此问提出了一种顾及姿态角影响的声线精确跟踪方法,该方法通过研究船体姿态影响下的多波束换能器状态,给出了波束声线实际传播面,并推导出了传播面内波束声线的实际初始入射角,结合声速剖面,最终根据常梯度声线跟踪得到了准确的测深点三维坐标。通过实验比较传统声线跟踪方法和精确声线跟踪方法计算波束在海底投射点的坐标精度,验证了精确声线跟踪方法克服了传统声线跟踪的不足,显著地提高了多波束测深的精度。

References

[1]  CHRISTIAN D M,MARTIN C K. Bathymetric artifacts in sea beam data:how to recongnize them and what causes them[J]. Journal of Geophysical Research,1986,91(B3):3407-3424.
[2]  EDOUARD K. A new method for the removal of refraction artifacts in multibeam echosounder systems[D]. New Brunswick :University of New Brunswick,2000:35-60.
[3]  DIMITRI A,CHRISTIAN D M. Adaptive noise canceling applied to sea beam sideloe interference rejection[J].IEEE Journal of Oceanic Engineering,1988,13(2):70-76.
[4]  赵建虎,刘经南.多波束测深及图像数据处理[M].武汉:武汉大学出版社,2008:125-127.
[5]  CHAPPELL D J,GIANI S,TANNER G. Dynamical energy analysis for built-up acoustic systems at high frequencies [J].Journal of Acoustical Society of America,2011,130(3):1420-1429.
[6]  刘伯胜,雷家.水声学原理[M].哈尔滨:哈尔滨工程大学出版社,1993:23.
[7]  THOMAS E B. Geometrically derived ray-theory results and direct verification of the Pekeris solution for unbounded constant-gradient media [J].IEEE Journal of Oceanic Engineering,2012,37(2):244-254.
[8]  HANAKO O,KAZUYOSHI M,TOSHIAKI N.Reciprocal sound propagation experiment in very shallow water area of Hashirimizu port [J]. Japanese Journal of Applied Physics,2010(49):151-156.
[9]  HAMID R, HADI J R. Target localization and tracking for an isogradient sound speed profile [J].IEEE Transactions on Signal Processing,2013,61(6):1434-1446.
[10]  MCCAFFREY E K. A review of the bathymetric swath survey system[J]. International Hydrographic Review,1981,VIII(1):19-27.
[11]  陈非凡.多波束条带测深仪的动态测量误差评估[J].海洋技术,1999,18(1):41-45.CHEN Feifan.Estimation of dynamic measuring error for multibeam swath bathymeter[J]. Journal of Ocean Technology,1998,18(1):41-45.
[12]  赵建虎,刘经南.多波束测深系统的归位问题研究[J].海洋测绘,2003,23(1):6-8.ZHAO Jianhu,LIU Jingnan. Problems on conformity to the real sounding points from the multi-beam sounding system[J]. Hydrographic Surveying and Charting,2003,23(1):6-8.

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