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为确保土地工程施工在复杂环境下GPS测量精度,切实提高工程应用中地形测量、土方测量的成果质量,测量数据处理过程中以多项式拟合法探测载波相位观测值中的周跳,因其实用性较强,易于编程等特点而被广泛应用。针对多项式拟合法探测周跳的能力受到载波相位观测值观测误差和采样频率的影响的情况,本文提出了一种多项式拟合和牛顿插值组合法进行周跳探测的新方法,介绍了新方法的原理和数学模型,最后通过实例计算进一步验证该算法的正确性。
In order to ensure GPS measurement accuracy of land engineering construction in complex environment and effectively improve the quality of the results of topographic survey and earthwork measurement in engineering application, the cycle slip in carrier phase observation is probed by polynomial fitting method in the process of measurement data. Because of its practicability Strong, easy to program features such as being widely used. Aiming at the problem that the ability of polynomial fitting method to detect cycle slip is affected by observation errors of carrier phase observation and sampling frequency, a new method of cycle slip detection based on polynomial fitting and Newton interpolation is proposed in this paper. Principle and mathematical model, and finally verify the correctness of the algorithm by example calculation.