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整周模糊度解正确性的评价方法

Evaluation of the rightness for the integer ambiguity solution
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摘要 首先指出了基于传统的假设检验理论的三步法在评价模糊度整数解正确性时存在的理论缺陷 ,然后介绍了模糊度归整域的概念和可容许整数估计的定义 ,并在可容许整数估计原定义的基础上给出了更为严密的新定义。最后 ,基于这个可容许整数估计的新定义 ,讨论了模糊度成功率的概念及其计算公式。从理论上讲 ,只有模糊度的成功率才是评价模糊度整数解正确性的严密尺度。 In this paper, firstly the theoretic pitfal, which is caused through evaluation the rightness of integer ambiguity solution based on the three step approach of the traditional hypothesis test theory, is pointed out; then the concept of the pull in region for ambiguity and the definition of the admissible integer estimation are introduced, and on the basis of the original definition for the admissible integer estimation a new severer definition is given; finally based on this new definition of the admissible integer estimation, the concept of ambiguity success rate is discussed and the corresponding formulas are deduced. Theoretically speaking, only ambiguity success rate is a severe approach to evaluate the rightness of ambiguity integer solution.
出处 《全球定位系统》 2004年第3期15-18,共4页 Gnss World of China
关键词 整周模糊度 归整域 可容许整数估计 GPS 正确性 GPS ambiguity pull in region admissible integer estimation ambiguity success rate.
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参考文献4

  • 1[1]Kleusbeg A, and Teunissen PJG (eds).GPS for Geodesy[Z].2nd edn, Springer, Berlin Heidelberg New York, 1998.
  • 2[2]Teunissen PJG.The success rate and precision of GPS ambiguities[J].Journal of Geodesy, 2000, 74:321~326.
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  • 4[4]Koch K.R. Parameter estimation and hypothesis testing in linear models[Z].Springer, Berlin Heidelberg New York, 1999.

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