GPS测定船体姿态方法研究

赵建虎; 刘经南; 周丰年

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GPS测定船体姿态方法研究

赵建虎, 刘经南, 周丰年

文章导航 > 武汉大学学报 ● 信息科学版 > 2000 > 25(4): 353-357

赵建虎, 刘经南, 周丰年. GPS测定船体姿态方法研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(4): 353-357.

引用本文:

赵建虎, 刘经南, 周丰年. GPS测定船体姿态方法研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(4): 353-357.

ZHAO Jianhu, LIU Jingnan, ZHOU Fengnian. Method in Determining Vessel Attitude with GPS[J]. Geomatics and Information Science of Wuhan University, 2000, 25(4): 353-357.

Citation:

ZHAO Jianhu, LIU Jingnan, ZHOU Fengnian. Method in Determining Vessel Attitude with GPS[J]. Geomatics and Information Science of Wuhan University, 2000, 25(4): 353-357.

GPS测定船体姿态方法研究

1 武汉测绘科技大学地学测量工程学院, 武汉市珞喻路129号, 430079;
2 武汉测绘科技大学校长办公室, 武汉市珞喻路129号, 430079;
3 长江水利委员会长江口水文资源勘测局, 江苏太仓, 215431

详细信息

作者简介:
赵建虎,男,30岁,博士生,讲师。现从事GPS和海洋测量研究。E-mail:zjh@hpb1.wtusm.edu.cn

中图分类号: P228.42;P229.1

Method in Determining Vessel Attitude with GPS

1 School of Geo_science and Surveying Engineering, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;
2 Presidential Secretariat, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;
3 The Survey Bureau of the Hydrology and Water Resources of Changjiang Estuary, Changjiang Water Resources Commission, Taicang, Jiangsu, China, 215431

摘要: 系统地阐述了船体的纵滚、横滚和动态吃水对测深的影响,提出了利用GPS载波相位测量技术测定船姿的实施方法和计算流程,并给出了相应的计算模型。分析了GPS测定船姿的精度,提出了一些对实际生产有益的结论和建议。
- 船体纵滚 /
- 船体横滚 /
- 动态吃水 /
- 水位改正
Abstract: With the development of the GPS positioning technology, GPS is widely applied in the field of hydrographic surveying.The high accuracy of GPS in determining 3D coordination ensures high accuray of parameters of vessel attitude in measuring vessel attitude.In this paper, the effects of vessel attitude for depth are discussed systematically.It is found that the effect of dynamic squat for depth is direct and more large than the effects of pitch and roll of vessel for depth.The limitation of traditional model of computing dynamic squat is analyzed.A new model is given in this paper. In order to saitsfy the accuracy and simple procedure of survey in determining vessel attitude, the technologies of GPS, carrier phase measurement and OTF are applied in the research.Using these technologies, the accuracy about ±5cm in plane direction and ±3cm in height direction is validated in test.It shows that the method of determining vessel attitude is feasible. Because of the direct effect of tide for depth, it must be considered in calculating vessel attitude.In the procedure of getting tide value, tidal observation and the interpolation of tide are used.At the same time, the interpolation model of tide is given in this paper. By the above processing, the following conclusions are got:①the method that GPS carrier wave phase differential survey technology is used for determining vessel attitude is avaicable.②dynamic squat is mainly affected by velocity, meanwhile, the mean depth in surveying area, the static squat, shape of vessel, wind and wave also have some contribution to dynamic squat.③pith and roll are got by the respective height difference between GPS antennas at bow and center of vessel. The above methods were used in Yangze River.A satisfactory result is given in this paper.
- pitch /
- roll /
- dynamic squat /
- tide correction

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GPS测定船体姿态方法研究

1 武汉测绘科技大学地学测量工程学院, 武汉市珞喻路129号, 430079;

2 武汉测绘科技大学校长办公室, 武汉市珞喻路129号, 430079;

3 长江水利委员会长江口水文资源勘测局, 江苏太仓, 215431

作者简介:
赵建虎,男,30岁,博士生,讲师。现从事GPS和海洋测量研究。E-mail:zjh@hpb1.wtusm.edu.cn

收稿日期: 2000-03-01
刊出日期: 2000-04-05

中图分类号: P228.42;P229.1

关键词:

摘要: 系统地阐述了船体的纵滚、横滚和动态吃水对测深的影响,提出了利用GPS载波相位测量技术测定船姿的实施方法和计算流程,并给出了相应的计算模型。分析了GPS测定船姿的精度,提出了一些对实际生产有益的结论和建议。

English Abstract

Method in Determining Vessel Attitude with GPS

1 School of Geo_science and Surveying Engineering, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;

2 Presidential Secretariat, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;

3 The Survey Bureau of the Hydrology and Water Resources of Changjiang Estuary, Changjiang Water Resources Commission, Taicang, Jiangsu, China, 215431

Received Date: 2000-03-01
Publish Date: 2000-04-05

Keywords:

Abstract: With the development of the GPS positioning technology, GPS is widely applied in the field of hydrographic surveying.The high accuracy of GPS in determining 3D coordination ensures high accuray of parameters of vessel attitude in measuring vessel attitude.In this paper, the effects of vessel attitude for depth are discussed systematically.It is found that the effect of dynamic squat for depth is direct and more large than the effects of pitch and roll of vessel for depth.The limitation of traditional model of computing dynamic squat is analyzed.A new model is given in this paper. In order to saitsfy the accuracy and simple procedure of survey in determining vessel attitude, the technologies of GPS, carrier phase measurement and OTF are applied in the research.Using these technologies, the accuracy about ±5cm in plane direction and ±3cm in height direction is validated in test.It shows that the method of determining vessel attitude is feasible. Because of the direct effect of tide for depth, it must be considered in calculating vessel attitude.In the procedure of getting tide value, tidal observation and the interpolation of tide are used.At the same time, the interpolation model of tide is given in this paper. By the above processing, the following conclusions are got:①the method that GPS carrier wave phase differential survey technology is used for determining vessel attitude is avaicable.②dynamic squat is mainly affected by velocity, meanwhile, the mean depth in surveying area, the static squat, shape of vessel, wind and wave also have some contribution to dynamic squat.③pith and roll are got by the respective height difference between GPS antennas at bow and center of vessel. The above methods were used in Yangze River.A satisfactory result is given in this paper.

赵建虎, 刘经南, 周丰年. GPS测定船体姿态方法研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(4): 353-357.

引用本文:

赵建虎, 刘经南, 周丰年. GPS测定船体姿态方法研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(4): 353-357.

ZHAO Jianhu, LIU Jingnan, ZHOU Fengnian. Method in Determining Vessel Attitude with GPS[J]. Geomatics and Information Science of Wuhan University, 2000, 25(4): 353-357.

Citation:

ZHAO Jianhu, LIU Jingnan, ZHOU Fengnian. Method in Determining Vessel Attitude with GPS[J]. Geomatics and Information Science of Wuhan University, 2000, 25(4): 353-357.