GPS/Doppler导航随机模型的移动窗口实时估计算法
引进时间遗忘因子和观测冗余度因子,有效地平衡移动窗口内不同时刻的观测数据及其冗余情况对单位权方差估值的贡献,改进单位权方差的移动开窗实时估计算法。采用载噪比模型确定观测权阵,等价权抗差估计方法处理粗差。实测车载GPS/Doppler数据的处理结果表明：采用本文算法显著提高GPS/Doppler的导航精度与可靠性。...
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| Published in | Ce hui xue bao Vol. 40; no. 2; pp. 220 - 225 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
电子科技大学,空天科学技术研究院,四川,成都,610054%同济大学,测量与国土信息工程系,上海,200092
2011
同济大学,测量与国土信息工程系,上海,200092 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 |
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| Abstract | 引进时间遗忘因子和观测冗余度因子,有效地平衡移动窗口内不同时刻的观测数据及其冗余情况对单位权方差估值的贡献,改进单位权方差的移动开窗实时估计算法。采用载噪比模型确定观测权阵,等价权抗差估计方法处理粗差。实测车载GPS/Doppler数据的处理结果表明：采用本文算法显著提高GPS/Doppler的导航精度与可靠性。 |
|---|---|
| AbstractList | 引进时间遗忘因子和观测冗余度因子,有效地平衡移动窗口内不同时刻的观测数据及其冗余情况对单位权方差估值的贡献,改进单位权方差的移动开窗实时估计算法。采用载噪比模型确定观测权阵,等价权抗差估计方法处理粗差。实测车载GPS/Doppler数据的处理结果表明：采用本文算法显著提高GPS/Doppler的导航精度与可靠性。 P228; 引进时间遗忘因子和观测冗余度因子,有效地平衡移动窗口内不同时刻的观测数据及其冗余情况对单位权方差估值的贡献,改进单位权方差的移动开窗实时估计算法.采用载噪比模型确定观测权阵,等价权抗差估计方法处理粗差.实测车载GPS/Doppler数据的处理结果表明:采用本文算法显著提高GPS/Doppler的导航精度与可靠性. |
| Author | 周泽波 沈云中 李博峰 |
| AuthorAffiliation | 同济大学测量与国土信息工程系,上海200092 电子科技大学空天科学技术研究院,四川成都610054 |
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| Author_FL | SHEN Yunzhong ZHOU Zebo LI Bofeng |
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| Snippet | 引进时间遗忘因子和观测冗余度因子,有效地平衡移动窗口内不同时刻的观测数据及其冗余情况对单位权方差估值的贡献,改进单位权方差的移动开窗实时估计算法。采用载噪比模型确定观测权阵,等价权抗差估计方法处理粗差。实测车载GPS/Doppler数据的处理结果表明：采用本文算法显著提高GPS/Doppler的导航精度与可靠性。 P228;... |
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| SubjectTerms | GPS/Doppler 单位权方差 抗差估计 随机模型 |
| Title | GPS/Doppler导航随机模型的移动窗口实时估计算法 |
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