摘要
本文详细研究了重力卫星偏心改正问题，建立了偏心改正数学模型，并用GRACE卫星数掂验证了该模型的有效性和可靠性。处理3天数据结果表明，利用该模型计算得到的偏心改正与国际公布的参考值比较，标准差在6微米范围内，且各天结果均具有较好的一致性。
This paper made a detailed study on the eccentricity correction to GRACE and set up a mathematic model, whose reliability was verified with GRACE data. The processing result of 3 - day data showed that when the eccentricity correction result using this model was compared with the published international reference value, the standard deviation was less than 6μm, and the calculation result of each day was consistent with the other two.
出处
《测绘科学与工程》
2012年第3期1-3,8,共4页
Geomatics Science and Engineering
关键词
卫星重力测量
重力场恢复
GRACE
低低卫卫跟踪
satellite gravimetry
gravity recovery
GRACE
low - low satellite - to - satellite tracking
