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| 引用本文： | 邹正波,罗志才,邢乐林,吴云龙,李辉.?????????????????????????????о?[J].大地测量与地球动力学,2007,27(3):44-49. |
| 作者姓名： | 邹正波 罗志才 邢乐林 吴云龙 李辉 |
| 作者单位： | 1. 中国地震局地震研究所,武汉,430071;地壳运动与地球观测实验室,武汉,430071 2. 武汉大学测绘学院,武汉,430079;辽宁工程技术大学地理空间信息技术与应用实验室,阜新,123000 3. 武汉大学测绘学院,武汉,430079 |
| 基金项目： | 国家自然科学基金(40374006)，辽宁工程技术大学地理空间信息技术与应用实验室开放基金 |
| 摘 要： | ???????????????????????Ч???????????????????????????????????? ???GOCE??????????????????????????????????????????????????????????????????????????????С????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????С????????????????????????????????????????? |
| 关 键 词： | GOCE???? ?????????? ??????????? ?????С????? ?????? |
| 文章编号： | 1671-5942（2007）03-0044-06 |
| 修稿时间： | 2007-01-31 |
TIME DOMAIN LEAST SQUARES METHOD FOR RECOVERING EARTH'S GRAVITY FIELD BY SATELLITE GRAVITY GRADIENT |
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| Zou Zhengbo,Luo Zhicai,Xing Lelin,Wu Yunlong,Li Hui.TIME DOMAIN LEAST SQUARES METHOD FOR RECOVERING EARTH''''S GRAVITY FIELD BY SATELLITE GRAVITY GRADIENT[J].Journal of Geodesy and Geodynamics,2007,27(3):44-49. | |
| Authors: | Zou Zhengbo Luo Zhicai Xing Lelin Wu Yunlong Li Hui |
| Institution: | 1Institute of Seismology, C EA , Wuhan 430071;2Crustal Movement Laboratory, Wuhan 430071;3School of Geodesy and Geomatics, Wuhan University, Wuhan 430079;4Geomatics and Apllications Laboratory ,Liaoning Technical University, Fuxin 123000 |
| Abstract: | Since the attenuation of the gravitaty field with altitude increasing can be sufficiently compensated by satellite gravity gradiometry,it is possible to recover earth's gravity field with higher precision.On the basis of the satellite orbit perturbation theory,the error of gravity field model from satellite gravity gradiometry mission is analyzed with the time-wise least square method.And the effects of gravity field on the accuracy are presented in maps,due to the choice of SGG parameters(such as satellite's altitude,sampling rates,inclination of satellite and accuracy of gradiometery).The results indicate that time domain least-square method is suitable for the error analysis and the mission design of the measurement of satellite gravity gradiometery. |
| Keywords: | GOCE mission Earth's gravity field satellite gravity gradiometry time domain least squares method error analysis |
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