朱广彬,常晓涛,周晓青

• 1:国家测绘地理信息局卫星测绘应用中心

摘要(Abstract)：

针对新一代卫星重力探测技术对地球重力场的频谱贡献问题,该文提出了一种基于GPS/水准数据获取多源卫星重力场模型频谱变化特征的方法。采用GPS/水准外符合检验,有效分析评估了多源卫星重力场模型在中国东、西部地区的精度水平。研究结果表明,以CHAMP、GRACE和GOCE卫星为代表的高-低卫星跟踪卫星、低-低卫星跟踪卫星和卫星重力梯度技术,对地球重力场的频谱贡献分别集中在600km以上的长波和中长波、300km以上的中波、200~350km之间的中短波部分。

关键词(KeyWords)： 卫星跟踪卫星;卫星重力梯度;卫星重力;地球重力场模型;大地水准面;频谱分析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41204007);; 国家高技术研究发展计划项目(2013AA122502);; 国家重点基础研究发展计划项目(2013CB733302);; 公益性测绘行业专项(201512012,201412001);; 国家测绘地理信息局基础测绘科技项目

作者(Author): 朱广彬,常晓涛,周晓青

DOI: 10.16251/j.cnki.1009-2307.2016.06.003

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