In this paper, a probable position is obtained the calculating observasion equation by computer, according to using the least square method.
旨在通过计算机用最小二乘法原理解算观测方程组求最或是船位。
This paper based on the definition of trimmed mean,winsorised mean and trimmed normal distribution,we obtained that the means are the maximum likeihood estimation(MLE),their influence function are derived,the robustness can be analysed.
根据截尾均值、平尾均值的定义和截尾正态分布，本文得到了这两种均值都是最或然估计量。
The concept of most probable delay difference is introduced, followed by derivation of the expression of most probable delay difference.
提出了用于描述偏振模色散的最或然时延差的概念 ,导出了最或然时延差的表达式 ,以及误码率与最或然时延差、传输速率及传输距离之间的函数关系式 ,为直观、方便地分析系统的偏振模色散供了一种有力的理论方法。