|
|||||
|
|
| ????????????????????GNSS??????????????о? | |
| 引用本文： | 蒋振伟,袁运斌,欧吉坤,杨力.????????????????????GNSS??????????????о?[J].大地测量与地球动力学,2015,35(2):199-202. |
| 作者姓名： | 蒋振伟 袁运斌 欧吉坤 杨力 |
| 作者单位： | 1 大地测量与地球动力学国家重点实验室，武汉市徐东大街340号, 430077 2 中国科学院大学，北京市玉泉路甲19号,100049 3 信息工程大学地理空间信息学院，郑州市科学大道62号,450001 |
| 基金项目： | 国家自然科学基金（41231064, 41074013, 41174015）；大地测量与地球动力学国家点实验室开放基金(SKLGED2013\|4\|6\|E);国家973计划 (2012CB825604)；国家863计划（2012AA121803) |
| 摘 要： | ?о???????????JPL????????????????????????????GNSS??????λ??????????????????????????????????????????5×108 m???????????????????3×106 m????????????DE421???????????X??????????н?????30′????Y????????X??????????????????????????????λ??????????????????0.3 mm????????????λ?????????????????????3 mm???????????????????1??峱???????????????3 mm???????GPS??????????????????????????????????????PPP??????????????????PPP?в??ü???Ч?????????????? |
| 关 键 词： | ???????? ????????????? ???????λ ??λ??? ??????????λ??????? ???峱 |
| 收稿时间： | 2014-03-30 |
Research on Different Coordinates of Sun and Moon Influence on GNSS System Errors Correction |
|
| JIANG Zhenwei,YUAN Yunbin,OU Jikun,YANG Li.Research on Different Coordinates of Sun and Moon Influence on GNSS System Errors Correction[J].Journal of Geodesy and Geodynamics,2015,35(2):199-202. | |
| Authors: | JIANG Zhenwei YUAN Yunbin OU Jikun YANG Li |
| Institution: | 1 State Key Laboratory of Geodesy and Earth’s Dynamics, 340 Xudong Street，Wuhan 430077, China 2 University of Chinese Academy of Sciences, A19 Yuquan Road, Beijing 100049, China 3 Institute of Geospatial Information, Information Engineering University, 62 Kexue Road, Zhengzhou 450001, China |
| Abstract: | This paper presents research on differences of sun and moon coordinates from astronomical almanac and JPL ephemeris and the effects of these differences on GNSS navigation and position. The maximum differences are 5×108 and 3×106 m of coordinates of sun and moon calculated with different ephemeris. The difference in angle can be up to 30′ in X direction of the satellite fixed coordinate system between astronomical almanac and DE421 (Y direction is similar to the X direction). Wind\|up correction difference and satellite antenna PCO correction difference can reach 0.3 mm and 3 mm respectively, caused by sun coordinate difference. Solid tidal correction difference can be up to 3 mm caused by coordinate differences of sun and moon. However, the designed PPP experiment has proved that the above\|mentioned influences on the PPP positioning can be ignored. The most efficient astronomical almanac is advised in PPP. |
| Keywords: | astronomical almanac coordinate of sun and moon PPP wind-up satellite antenna phase center offset (PCO) solid tide |
| 本文献已被 万方数据 等数据库收录！ | |
| 点击此处可从《大地测量与地球动力学》浏览原始摘要信息 | |
| 点击此处可从《大地测量与地球动力学》下载免费的PDF全文 | |