| 基于GPS的罗兰C系统定位误差修正研究 |
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| 引用本文： | 黄莹,胡昌华,王琛.基于GPS的罗兰C系统定位误差修正研究[J].全球定位系统,2004,29(6):19-22. |
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| 作者姓名： | 黄莹 胡昌华 王琛 |
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| 作者单位： | 1. 武警工程学院,710086
2. 第二炮兵工程学院,陕西,西安,710025 |
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| 摘 要： | 利用罗兰C系统对定位算法进行了推导，给出了罗兰C系统定位误差公式。分析了影响罗兰C系统定位的主要误差，指出电波传播附加二次因子(ASF)是影响罗兰C系统定位精度的主要原因。推导了利用GPS测量值的罗兰C系统的ASF修正算法，为实际进行基于GPS的罗兰C系统定位误差修正提供了理论参考。
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| 关 键 词： | 罗兰C系统 定位误差 GPS测量 ASF 定位精度 定位算法 电波传播 |
| 修稿时间： | 2004年8月6日 |
The research of the orientation deviation modifying of Loran C system |
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| HUANG Ying ,HU Chang Hua ,WANG Chen.The research of the orientation deviation modifying of Loran C system[J].Gnss World of China,2004,29(6):19-22. |
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| Authors: | HUANG Ying HU Chang Hua WANG Chen |
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| Institution: | HUANG Ying 1,HU Chang Hua 2,WANG Chen 2 |
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| Abstract: | According to the orientation principle of Loran C system, this article Completely calculated and deduced the arithmetic about the Loran C positioning, and provided the relative formula of orientation deviation. Moreover, it listed the major factors that can cause the positioning error, based on the process of formula deducing, and proved the fact that the additional secondary phase factor (ASF) has the most important effect on the orientation accuracy of Loran C. Finally, the article used the GPS measures to deduce the method that can revise the ASF of the system of Loran C, it can be referred to as the theories basis to improve the orientation accuracy of Loran C. |
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| Keywords: | Loran C system the ASF modifying GPS arithmetic of orientation |
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