在导出低纬子午环测定一颗星过卯酉、子午圈的记录时刻与瞬时方位差关系式的基础上，结合仪器在卯酉圈测定星对天顶距的方法，提出了既可以绝对测定瞬时方位差，又可以绝对测定定误差ε的新设想。
通过假设预测方位和实测方位差值服从零均值的高斯分布，利用贝叶斯理论来修正各滤波器的权重。
And the weight of each filter is updated using Bayes theory based on the assumption that the difference between estimate and measurement bearings obeys Gaussian distributions with zero mean error.
本文提出一种基于自适应相位差计的方位序列估计技术。
A bearing sequence estimation technique based on adaptive phase-difference estimator is presented in this paper.
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