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http://hdl.handle.net/10397/7226
| Title: | 重力数据分辨率对GPS/重力边值问题的影响研究 | Other Title: | Influence of gravity disturbance resolution on GPSs/gravity boundary value problem | Authors: | Zhang, L Li, F Chen, W |
Issue Date: | 2007 | Source: | 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University), June 2007, v. 32, no. 6, p. 523-526 | Abstract: | 以GPS/重力边值问题为基本数学模型,利用不同分辨率扰动重力数据分别模拟了对GPS/重力边值问题的影响。数值模拟结果表明,数据分辨率与结果精度有密切联系,在丘陵地区,当数据分辨率在2 km时,可以满足cm级似大地水准面的要求,同时提出了一些现实可行的建议。 Based on the theory of GPS/gravity boundary value problem,the errors caused by gravity disturbances of different resolution are simulated and analyzed using numerical simulation methods.The result shows that the relationship between data resolution and result precision is osculating,and 2 km resolution data can satisfy the demand of the centimeter level geoid in hilly area.Meanwhile some feasible suggestions are put forward. |
Keywords: | Gravity disturbances GPS/gravity BVP Quasi-geoid Accuracy analysis |
Publisher: | 武汉大学期刋社 | Journal: | 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University) | ISSN: | 1000-050X | EISSN: | 1671-8860 | Rights: | © 2007 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。 © 2007 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use. |
| Appears in Collections: | Journal/Magazine Article |
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| Zhang_Influence_Gravity_Disturbance.pdf | 413.95 kB | Adobe PDF | View/Open |
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