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The Application of Crosscheck in Multibeam Accuracy Evaluation and Error Analysis
Author(s): 
Pages: 119-123
Year: Issue:  1
Journal: OCEAN TECHNOLOGY

Keyword:  交叉检查精度评估深度不符值Ping;
Abstract: 为了保证多波束成果质量,需要对测深数据进行精度评估和误差分析.交叉检查是有效的多波束水深精度评估方法,文章在传统的基于面的交叉检查中,采用了置信度为95%的均方根差作为多波束交叉点水深不符值的精度指标,并进一步提出了基于Ping的交叉检查方法对精度超限的数据进行误差分析.通过实例分析表明:置信度为95%的均方根差作为精度指标较为可靠;基于Ping的交叉检查方法能够辨别多波束水深数据中常见的几种不同类型误差.
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