| GPS基线向量的非线性解算及精度分析 |
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| 引用本文： | 郑作亚,韩晓冬,黄珹,卢秀山. GPS基线向量的非线性解算及精度分析[J]. 测绘学报, 2004, 33(1): 27-32 |
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| 作者姓名： | 郑作亚 韩晓冬 黄珹 卢秀山 |
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| 作者单位： | 中国科学院上海天文台,上海,200030;中国科学院国家天文台,北京,100012;山东科技大学,地球信息科学与工程学院,山东,泰安,271019 |
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| 摘 要： | 根据GPS基本观测方程,导出了顾及二次项含XY,XZ,YZ的非线性双差观测模型,根据展开至二次项含XY,XZ,YZ的基线向量模型,推导了法方程的直接解算方法,分析了基线长度的精度估计,并给出了简明的估计公式,为GPS基线非线性解算的精度评定提供了直接的评定公式.
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| 关 键 词： | GPS 基线向量 非线性 精度评定 |
| 文章编号： | 1001-1595(2004)01-0027-06 |
Nonlinear Calculation and Precision Analysis of GPS Baseline Vector |
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| ZHENG Zuo-ya. Nonlinear Calculation and Precision Analysis of GPS Baseline Vector[J]. Acta Geodaetica et Cartographica Sinica, 2004, 33(1): 27-32 |
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| Authors: | ZHENG Zuo-ya |
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| Affiliation: | ZHENG Zuo-ya~ |
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| Abstract: | According to GPS measurement equation, non-linear Dual-Differential observation model in consideration of the second order terms is derived, with this model of baseline vector, the solution of normal equation is induced, estimate value of baseline length is analyzed, and the simplified direct formulas for precision assessment of GPS baseline vector nonlinear adjustment calculation are put forward. |
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| Keywords: | GPS Baseline Vector Non-linear Precision Estimator |
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