| 基于C++Builder的天测罗经差算法研究 |
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| 引用本文： | 郭星卫,施闻明.基于C++Builder的天测罗经差算法研究[J].光学与光电技术,2007,5(3):22-24. |
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| 作者姓名： | 郭星卫 施闻明 |
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| 作者单位： | 青岛海军潜艇学院,青岛,266071 |
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| 摘 要： | 利用《航海天文历》查表的方法来获得罗经差的计算过程比较复杂.基于C Builder语言编程,根据观测太阳测定罗经差的计算公式,提出了一种新型的天测罗经差算法.以某舰实测数据为基础,进行计算机仿真,结果表明该方法克服了传统的查表法计算繁琐、不能满足实时定位的缺点,提高了计算效率和计算精度,具有一定的可行性.
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| 关 键 词： | 天文航海 罗经差 C Builder编程 |
| 文章编号： | 1672-3392（2007）03-0022-03 |
| 收稿时间： | 2006/10/23 |
| 修稿时间： | 2006-10-232006-12-15 |
Measurement Algorithm Based on C++ Builder for Compass Error by Observing Celestial Bodies |
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| GUO Xing-wei,SHI Wen-ming.Measurement Algorithm Based on C++ Builder for Compass Error by Observing Celestial Bodies[J].optics&optoelectronic technology,2007,5(3):22-24. |
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| Authors: | GUO Xing-wei SHI Wen-ming |
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| Institution: | Naval Submarine Academy College, Qingdao 266071, China |
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| Abstract: | It is complex to measure compass error by consulting the "Nautical Almanac". A new algorithm of measuring compass error by observing celestial bodies is proposed. It is according to the calculation formula of determining compass error by observing the sun, and based on C++Builder. For the actual data of one ship, computer simulation is done. The result shows that this method overcomes the shortcomings of calculation redundancy and no real time positioning based on traditional consulting table method. At the same time, it enhances the calculation efficiency and precision, and it has certain feasibility. |
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| Keywords: | celestial navigation compass error C++Builder program |
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