| 基于SEID模型的单频PPP双频解算方法研究 |
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| 引用本文： | 涂锐,黄观文,张勤,王利.基于SEID模型的单频PPP双频解算方法研究[J].武汉大学学报(信息科学版),2011,36(10):1187-1190. |
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| 作者姓名： | 涂锐 黄观文 张勤 王利 |
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| 作者单位： | 长安大学地质工程与测绘学院,西安市雁塔路126号,710054 |
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| 基金项目： | 国家自然科学基金资助项目(40902081,40774001,40841021); 国家863计划资助项目(2007AA12Z331) |
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| 摘 要： | 提出了利用区域内的双频观测值建立区域SEID模型,利用单频观测值反演得到双频观测值,进而组成双频无电离层组合观测值,实现了单频PPP双频解算。算例结果表明,本文提出的新方法大大缩短了定位收敛时间,显著地提高了单频PPP的定位精度。
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| 关 键 词： | SEID模型 单频PPP 电离层延迟 双频PPP |
The Research of Dual Frequency Solution Method for Single Frequency Precise Point Positioning(PPP) Based on SEID Model |
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| TU Rui HUANG Guanwen ZHANG Qin WANG Li.The Research of Dual Frequency Solution Method for Single Frequency Precise Point Positioning(PPP) Based on SEID Model[J].Geomatics and Information Science of Wuhan University,2011,36(10):1187-1190. |
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| Authors: | TU Rui HUANG Guanwen ZHANG Qin WANG Li |
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| Institution: | TU Rui1 HUANG Guanwen1 ZHANG Qin1 WANG Li1(1 College of Geology Engineering and Geomatics,Chang'an University,126 Yanta Road,Xi'an 710054,China) |
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| Abstract: | Based on the problems of long convergence time and low precision of low cost single receivers caused by the ionospheric delay errors.The author proceses first to establish a high precision Satellite-specific Epoch-differenced Ionospheric Delay model with dual frequency observation information of the area,then single frequency observations inversion to dual frequency observations and can make ionosphere free positioning solution,Finally,get dual frequency solution model of single frequency PPP.Though analyzi... |
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| Keywords: | SEID model single frequency PPP ionospheric delay dual frequency PPP |
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