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Application of Cross-checking Digital Terrain Model to Evaluate Multi-beam Sounding Accuracy
Pages: 34-38
Year: Issue:  4
Journal: Hydrographic Surveying and Charting

Keyword:  多波束测深系统SeaBat 7150精度评估误差分析数字地形模型质量控制;
Abstract: 为有效评估多波束测深数据精度,结合SeaBat 7150深水多波束测量系统在海洋调查工作中的应用实例,参考传统的基于面的交叉检查方法,引入了基于DTM的交叉检查精度评估方法.应用检测线测量数据与主测线DTM进行交叉点计算,对误差进行统计分析,评估多波束测深精度.实践证明,该评估方法快速有效,可操作性强,可在外业调查现场对深水多波束测量数据快速进行精度评估.
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