| GNSS双差定姿模型的精化 |
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| 引用本文： | 吴泽民,边少锋,纪兵,蒋东方,向才炳.GNSS双差定姿模型的精化[J].测绘科学技术学报,2015(3):248-251. |
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| 作者姓名： | 吴泽民 边少锋 纪兵 蒋东方 向才炳 |
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| 作者单位： | 1. 海军工程大学 导航工程系,湖北 武汉,430033;2. 北京卫星导航中心,北京,100094 |
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| 基金项目： | 国家973计划项目(2012CB719902)；国家自然科学基金项目(41274013；41374082；41201478)。 |
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| 摘 要： | 把GNSS双差定姿模型推广到km级短基线精密解算。指出常用的GNSS双差定姿模型存在几何上的系统偏差,该系统偏差严重影响km级基线的精密定位解算。提出了修正该系统偏差的方法,并把修正量加入定位模型,提高了模型的精确程度。采用两组实验数据分别对修正前和修正后的模型进行比较,验证了改进效果。
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| 关 键 词： | 全球导航卫星系统 精密定位 几何模型 系统误差 模糊度解算 |
Refinement on GNSS Double Difference Attitude Determination Model |
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| WU Zemin
,
BIAN Shaofeng
,
JI Bing
,
JIANG Dongfang
,
XIANG Caibing.Refinement on GNSS Double Difference Attitude Determination Model[J].Journal of Zhengzhou Institute of Surveying and Mapping,2015(3):248-251. |
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| Authors: | WU Zemin BIAN Shaofeng JI Bing JIANG Dongfang XIANG Caibing |
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| Abstract: | GNSS double difference gesture determination model was extended to precise positioning of kilometers long baselines. The systematic error existing in the GNSS geometry model was point out. This systematic error, if was over looked, would cause fatal consequence for kilometers long baseline precise positioning. The revision meth-od for this systematic error was proposed, and the GNSS geometry model was improved by this revision. Two serials of experimental data were used to compare the performance of the original and revised GNSS double difference ges-ture determination model, the result had testified the revised model was superior to the original one. |
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| Keywords: | GNSS precise positioning geometry model systematic error ambiguity resolution |
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