整周模糊度改进算法研究与实现  

Research on Integer Ambiguity Algorithm in GPS Signal Processing

作　　者：苏德亮[1] 陈伟[1] 

机构地区：[1]武汉理工大学信息工程学院,武汉430070

出　　处：《武汉理工大学学报（交通科学与工程版）》2008年第4期757-759,763,共4页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：国家863计划项目资助(批准号:2003AA134010)

摘　　要：介绍了在短基线状态下利用单频单历元双差载波相位定位时模糊度固定的基本理论,结合正则化理论和阻尼矩阵的思想,提出了一种用改进的正则化方程来改善法方程病态性的方法.算例分析表明,应用改进的正则化算法可以改善法矩阵的病态性,得到更加精确的浮动解,利用LAM BAD方法搜索可得到准确的整周模糊度解.This paper introduces the basic theory of carrier phase ambiguity solution for single frequency single epoch. Through the combination of regularization theorem and damp matrix, an improved regularization method is brought forward to ameliorate the ill condition of normal equation. The analysis of algorithm examples has proved that the application of improved regularization method can ameliorate the ill condition of normal equation, and precise float solution can be gained. Precise integer ambiguity can be searched by LAMBDA.

关 键 词：正则化算法 阻尼矩阵 整周模糊度 浮动解 

分 类 号：P228.4[天文地球—大地测量学与测量工程]