Abstract: This paper deals with the method by using quasi observation. In the contribution, a simple algorithm is developed for the adjustment computation with quasi observation at first. And then the ability of the quasi observation to improve the search technique is studied in detail.The results has shown that the quasi observation cannot only strengthen the residual test but also can change the structure of the search space. The robustness of the method is also presented. A method to determine the weight of quasi observation is proposed. At last the field tests are carried out to show that the proposed method is effective.?

摘要： 本论文是该研究项目的第二部分，主要阐述伪观测值法，提出了一种利用伪观测值进行平差的简单算法，详细研究了伪观测值对改善模糊度搜索技术的能力。研究结果表明，伪观测值不但可以增强残差检验，而且可以改变搜索空间的结构，在讨论了伪观测值法的可靠性之后，又提出了一种给伪观测值定权的方法。最后通过野外试验证明了所提方法的有效性。