航海用DDM向非航海用转换时的整体偏差补偿方法

doi:10.13474/j.cnki.11-2246.2017.0240

测绘通报 ›› 2017, Vol. 0 ›› Issue (7): 132-136.doi: 10.13474/j.cnki.11-2246.2017.0240

航海用DDM向非航海用转换时的整体偏差补偿方法

曹鸿博^1,2,3, 张立华^1,2, 陈秋⁴, 贾帅东^1,2, 刘现鹏^1,2

1. 海军大连舰艇学院海洋测绘系, 辽宁大连 116018;
2. 海军大连舰艇学院海洋测绘工程军队重点实验室, 辽宁大连 116018;
3. 海军出版社, 天津 300450;
4. 海军参谋部航海保证局, 北京 100841

收稿日期:2017-01-06 出版日期:2017-07-25 发布日期:2017-08-07
作者简介:曹鸿博(1985-),男,博士生,工程师,主要从事海洋测绘数据的处理研究。E-mail:chb1985@163.com
基金资助:
国家自然科学基金（41471380）

A Method for Compensating the Whole Deviation of the Transformation from DDM for Navigation to DDM for Non-navigation

CAO Hongbo^1,2,3, ZHANG Lihua^1,2, CHEN Qiu⁴, JIA Shuaidong^1,2, LIU Xianpeng^1,2

1. Department of Hydrography and Cartography, Dalian Naval Academy, Dalian 116018, China;
2. Navigation Department of Dalian Maritime University, Dalian 116018, China;
3. Navy Press, Tianjin 300450, China;
4. Navigation Guarantee Bureau of the Naval Staff Department, Beijing 100841, China

Received:2017-01-06 Online:2017-07-25 Published:2017-08-07

摘要/Abstract

摘要： 针对航海用数字水深模型（DDM）向非航海用转换这一问题，提出了一种用整体偏差值补偿来提高转换精度的方法。首先建立航海用DDM整体性偏差值与海底地形复杂因子、海图比例尺之间的关系；其次依据上述关系预先推算航海用DDM的整体偏差值；最后将整体偏差值补偿到转换前的航海用DDM的模型点上，以提高转换后的非航海用DDM精度。试验证明：①所提的方法可行，可提高转换后非航海用DDM的精度；②转换后非航海用DDM精度提高的程度与海底地形复杂因子和海图比例尺有关。

关键词: 数字水深模型, 海底地形复杂因子, 海图比例尺, 模型转换, 中误差

Abstract: Aiming at a problem of the model transformation from digital depth model (DDM) for navigation to DDM for non-navigation, the method for compensating the whole deviation is proposed to improve the accuracy of model transformation. First of all, the relationship between the whole deviation of DDM for navigation, submarine terrain complexity factor and chart scale was established. Secondly, the whole deviation of DDM for navigation is obtained by the above formula. Finally, the whole deviation is compensated to the model points of DDM for navigation to improve the accuracy of DDM for non-navigation to which is transformed form DDM for navigation. The experimental results demonstrate:①The proposed method is feasible to improve the accuracy of DDM for non-navigation to which is transformed form DDM for navigation. ②The degree of improvement of the accuracy DDM for non-navigation depends on the submarine terrain complexity factor and chart scale.

Key words: digital depth model, submarine terrain complexity factor, chart scale, model transformation, mean square error

中图分类号:

P229

曹鸿博, 张立华, 陈秋, 贾帅东, 刘现鹏. 航海用DDM向非航海用转换时的整体偏差补偿方法[J]. 测绘通报, 2017, 0(7): 132-136.

CAO Hongbo, ZHANG Lihua, CHEN Qiu, JIA Shuaidong, LIU Xianpeng. A Method for Compensating the Whole Deviation of the Transformation from DDM for Navigation to DDM for Non-navigation[J]. 测绘通报, 2017, 0(7): 132-136.

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航海用DDM向非航海用转换时的整体偏差补偿方法

A Method for Compensating the Whole Deviation of the Transformation from DDM for Navigation to DDM for Non-navigation

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