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首页> 外文期刊>The International Hydrographic Review >A Method for Detecting and Adjusting Systematic Errors of Singlebeam Sounding Data Acquired in a Grid Pattern
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A Method for Detecting and Adjusting Systematic Errors of Singlebeam Sounding Data Acquired in a Grid Pattern

机译：网格模式下获取单波束测深数据的系统误差检测与调整方法

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摘要

Hydrographic surveys are usually organised in survey lines with a grid of main scheme lines and a smaller number of reference lines used to check the data. The disagreements between two groups of sounding data at the crossing points or overlap are usually the only information available to evaluate the quality of sounding data. To improve the accuracy of depth measurements, a method has been developed in which the differences between two groups of sounding data at crossing points of main scheme sounding lines and reference sounding lines have been used to detect or adjust the systematic sounding errors. Based on the structure of systematic error in a grid of sounding lines and the concept of the rank-defect adjustment, the formulae of the method are derived in the paper. The method has been tested using both the simulated and observed data. The results show the method works well and the accuracy and efficiency of sounding can be greatly improved in traditional single-beam hydrographic surveys. The principle and method in this paper may be beneficial to the data processing for other marine surveys with a grid-pattern, such as marine grav-itimetry and magnetic survey.
机译：水文测量通常在测量线中进行组织，该测量线具有主要方案线和较少数量的用于检查数据的参考线网格。交叉点或重叠处的两组探测数据之间的分歧通常是唯一可用于评估探测数据质量的信息。为了提高深度测量的准确性，已经开发了一种方法，其中在主要方案测深线和参考测深线的交叉点处的两组测深数据之间的差异已用于检测或调整系统测深误差。基于探测线网格中系统误差的结构和秩次调整的概念，推导了该方法的公式。该方法已使用模拟和观察数据进行了测试。结果表明，该方法效果很好，在传统的单波束水文勘测中可以大大提高测深的准确性和效率。本文的原理和方法可能有益于采用网格模式的其他海洋测量的数据处理，例如海洋重力测量和磁测量。

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