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Detection parameters design for compound survey seafloor targets by multibeam sonar
Wu LH(吴利红); Xu WH(许文海); Li YP(李一平)
作者部门水下机器人研究室
关键词Bathymetry Data Processing Ships Sonar Underwater Acoustics
发表期刊Telkomnika
ISSN2302-4046
2013
卷号11期号:8页码:4306-4316
收录类别EI
EI收录号20133116566305
产权排序1
摘要Swath bathymetry system surveys with wide swath, high location resolution, and is used to detect sea bottom terrain. But the object resolution detected decreases as the depth increasing, its data processing with high mistake, used rarely in sea floor object survey.So GeoSwath, a multibeam sonar does. Although it covers an angular range of -120°to 120 °from the vertical direction, providing high density and high quality bathymetry data along with side scan like amplitude imagery, the data processing is more relied on human intervention to get accurate depth contour and sonar image which prevent its propular use in survey of seafloor targets. The purpose of this article presents survey parameter setting during survey and data processing technique to survey seafloor target by GeoSwath system, which set the proper detect parameters including ping length, ship velocity to increase the points over targets, setting navigation line parallel to the maximum dimension of target during survey, adopting appropriate filter to depth data processing and using TVG control over amplitude data to get accurate depth grid and sonar image of seafloor target. Finally, the way is used to measure the artificial object in harbor and two ship wrecks at sea, compound with the sonar image taken by the forward looking sonar, to search the ship wreck near harbor, to help to recognize the targets and locates its real position. This technology improves GeoSwath survey capability with compound detection and is helpful for make precise map for waterway. Also this work is helpful to achieve detecting seafloor objects fast, accurately, effectively in underwater large scale area during salvation and rescue task.
语种英语
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/12511
专题水下机器人研究室
通讯作者Wu LH(吴利红)
作者单位1.Transportation Equipments and Ocean Engineering College, Dalian Maritime University, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, China
3.Information Science and Technology College, Dalian Maritime University, No.1 LinNan Road, Dalian 116026, China
推荐引用方式
GB/T 7714
Wu LH,Xu WH,Li YP. Detection parameters design for compound survey seafloor targets by multibeam sonar[J]. Telkomnika,2013,11(8):4306-4316.
APA Wu LH,Xu WH,&Li YP.(2013).Detection parameters design for compound survey seafloor targets by multibeam sonar.Telkomnika,11(8),4306-4316.
MLA Wu LH,et al."Detection parameters design for compound survey seafloor targets by multibeam sonar".Telkomnika 11.8(2013):4306-4316.
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