李伟,刘站科,蒋涛

• 1:兰州交通大学测绘与地理信息学院
• 2:中国测绘科学研究院
• 3:国家测绘地理信息局第一大地测量队

摘要(Abstract)：

随着地球重力场模型逐渐向超高阶次发展,如何利用超高阶重力场模型快速、精确地计算地球重力场参数成为重要问题。文章给出了利用位系数计算地球外部空间任意点位处重力场参数的数学模型和详细算法,采用比例因子法实现2190阶次缔合勒让德函数的稳定递推计算;并基于VS2008平台开发了重力场参数快速赋值软件。最后利用EGM2008重力场模型和实测GPS水准数据验证了算法、软件的可靠性与效率。

关键词(KeyWords)： 重力场;超高阶;勒让德函数;快速赋值

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41204007,41204008);; 国家测绘地理信息局基础测绘科技项目-国家科技支撑计划课题(2012BAB16B01);; 地理空间信息工程国家测绘地理信息局重点实验室开放基金(201309)

作者(Author): 李伟,刘站科,蒋涛

DOI: 10.16251/j.cnki.1009-2307.2014.12.008

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