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发明公开
CN107219499A 一种基于最小二乘定位的不确定性分析方法 无效 - 撤回

一种基于最小二乘定位的不确定性分析方法
摘要：
一种基于最小二乘定位的不确定性分析方法，涉及基于最小二乘定位计算过程中的不确定性分析。本发明是为了有效解决最小二乘定位计算过程中的不确定性敏感性分析和不确定性综合问题。本发明所述的一种基于最小二乘定位计算的不确定性敏感分析方法，首先测量最小二乘定位计算中各个不确定性因素的不确定性；然后采用偏微分的方法计算各个不确定性因素的敏感因子，评估不确定性因素对定位计算结果的影响程度，为改善最小二乘定位精度方法提供支持；最后对不确定性进行综合，获得最小二乘定位计算结果的不确定度，以此评估定位计算结果的质量，也为导航等后续处理方法提供参考和决策信息。
摘要（英）：

The invention relates to a nondeterminacy analysis method based on least square positioning, relates to nondeterminacy analysis based on a least square positioning calculation process and aims to solve nondeterminacy sensitivity analysis and nondeterminacy integration problems in the least square positioning calculation process. The method comprises steps that firstly, nondeterminacy of each nondeterminacy factor in least square positioning calculation is measured; secondly, a partial differential method is utilized to calculate a sensitive factor of each nondeterminacy factor, an influence degree of the nondeterminacy factor on the positioning calculation result is evaluated, and support is provided for improving a least square positioning precision method; and lastly, nondeterminacy is integrated, a nondeterminacy degree of the least square positioning calculation result is acquired, quality of the positioning calculation result is evaluated, and the reference and decision information is further provided for subsequent processing methods, e.g., navigation.

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