GPS精密单点定位星历和钟差的研究
|
摘要
GPS精密单点定位是利用IGS及其其他数据中心提供的卫星精密卫星星历和精密卫星钟差,以单台GPS接收机采集的非差相位数据作为主要观测值来进行单点定位计算,其精度可达分米级甚至厘米级。本文首先简要介绍了精密单点定位的发展现状和IGS的概述及其产品说明,分析了精密单点定位中获取实时高精度的卫星星历和钟差的重要性。另外介绍了IGS产品的格式说明、精密单点定位的主要误差源以及误差改正模型、GPS精密单点定位的原理等。论文的主要研究内容为:
(1)精密星历的研究,详细介绍了两种插值方法和两种拟合方法的数学原理,通过在matlab上编程实现各种方法并对各种方法的结果进行比较,分析了各种算法的特点和优劣,得出这四种方法所插值的结果均能满足单点定位的要求,两种拟合方法在计算阶数相同时无论精度和坐标差都相同。
(2)精密钟差的研究,通过在matlab上编程实现三种算法,对不同钟类型(铯、铷)卫星进行内插和拟合,分析了三种算法得出,对于存在很大抖动的卫星钟差,不适合用切比雪夫拟合法。
GPS Precise Point Positioning (PPP) uses un-differenced phase observation along with IGS and other data center to provide precise orbit and the precise satellite clock ,for stand-along geodetic point positioning, Its precision can reach level even cm-level honour. This article is mainly has carried on the development status of Precise point positioning and carriage and product specifications of IGS, Analyzes the importance of the precise point positioning in get real-time high-precision satellite star calendar. In addition Introduces the IGS product format indicates, Precise Point Positioning the main error sources and error correction model, GPS the difference of Precise Point Positioning principle, etc. the primary coverage includes:
(1) Precision star calendar research, Detailed introduces two kind of interpolation methods and two fitting methods, achieves various methods through matlab and comparees results of kinds of methods, Analyzes different algorithms' characteristics and adventages and disadvantages, draw the four methods by interpolation results which can satisfy the single point positioning requirement, whatever precision and coordinate difference are the same of two fitting method in calculating the order number diam-eter.
(2) Precision Clock Bia research,Through in matlab programming, realize three algorithms interpolation, fitting of two different atomic cloeks(Rb or Cs),and analyze three algorithms for that, the Features and merits of these algorithms.The results shows Chebyshev interpolation is the best.
(1)精密星历的研究,详细介绍了两种插值方法和两种拟合方法的数学原理,通过在matlab上编程实现各种方法并对各种方法的结果进行比较,分析了各种算法的特点和优劣,得出这四种方法所插值的结果均能满足单点定位的要求,两种拟合方法在计算阶数相同时无论精度和坐标差都相同。
(2)精密钟差的研究,通过在matlab上编程实现三种算法,对不同钟类型(铯、铷)卫星进行内插和拟合,分析了三种算法得出,对于存在很大抖动的卫星钟差,不适合用切比雪夫拟合法。
GPS Precise Point Positioning (PPP) uses un-differenced phase observation along with IGS and other data center to provide precise orbit and the precise satellite clock ,for stand-along geodetic point positioning, Its precision can reach level even cm-level honour. This article is mainly has carried on the development status of Precise point positioning and carriage and product specifications of IGS, Analyzes the importance of the precise point positioning in get real-time high-precision satellite star calendar. In addition Introduces the IGS product format indicates, Precise Point Positioning the main error sources and error correction model, GPS the difference of Precise Point Positioning principle, etc. the primary coverage includes:
(1) Precision star calendar research, Detailed introduces two kind of interpolation methods and two fitting methods, achieves various methods through matlab and comparees results of kinds of methods, Analyzes different algorithms' characteristics and adventages and disadvantages, draw the four methods by interpolation results which can satisfy the single point positioning requirement, whatever precision and coordinate difference are the same of two fitting method in calculating the order number diam-eter.
(2) Precision Clock Bia research,Through in matlab programming, realize three algorithms interpolation, fitting of two different atomic cloeks(Rb or Cs),and analyze three algorithms for that, the Features and merits of these algorithms.The results shows Chebyshev interpolation is the best.
引文
[1]范士杰.GPS精密单点定位的算法实现与精度分析[D],武汉大学,2004.5.
[2]张小红,刘经南.Rene Forsberg.基于精密单点定位技术的航空测量应用实践[J].武汉大学学报信息科学版, 2006, 31 (1) : 19 - 22.
[3]李正航,张小红.卫星导航定位新技术及高精度数据处理方法[M],武汉大学出版社,2009.
[4] Gao Yang,Chen Kongzhe.Performance Analysis of Precise Point Positioning Using Real-time Orbit and Clock Products[C].The 2004 International Sympo-sium Oil GNss/GPS,Sydney,2004.
[5] Gao,X.Shen,Improving Ambiguity Convergence in Carrier Phase-Based Precise Point Positioning,ION2001, Salt Lake City,USA,September,2001.
[6]叶世榕. GPS非差相位精密单点定位理论与实现[D].武汉大学,2002.4.
[7] Zhang X H,Anderson O B.Surface ice f low velocity and tide retrieval of the Amery ice shelf using precise point positioning[M].Journal of Geodesy,2006,80(4): 171-176.
[8] Zhang X H,Forsberg R.Assessment of long-range kinematic GPS positioning errors by comparison with airborne laser altimetry and satellite altimetry[M].Journal of Geodesy,2007,81(3):201-211.
[9] CHEN W,HU C W et al.Absolute Ionospheric Delay Estimation Based on GPS PPP and GPS Active Network[A], The 2004 Internationa Symposium on GNSS/GPS[C], Sydney, Australia,6-8 December 2004.
[10] Zhang B C.Determination of Un-differenced Atmospheric Delays for Network-based RTK.In:Proceedings of Institute of Navigation GNSS 2009, Savannah,USA, 2009. 2727-2738.
[11]李玮.GPS精密单点定位算法研究与软件实现[D].中国科学测绘研究院.2010.6.
[12]李鹏.GPS精密单点定位若干关键问题研究[D].西南交通大学.2008.4.
[13]李征航,黄劲松.GPS测量与数据处理[M].武汉大学出版社.2005.
[14] http://www.igs.org/components/
[15]李明.GPS非差相位精密单点定位的算法研究[D].辽宁工程技术大学,2007.
[16]王新洲.非线性模型参数估计理论与应用[M].武汉:武汉大学出版社,2002.
[17]刘基余,李征航,王跃虎等.全球定位系统原理及其应用[M].北京:测绘出版社,1993.
[18]涂克楠. GPS精密单点定位的数据处理[D].合肥工业大学.2009.3.
[19]陈蕾.单频GPS精密单点定位算法及模型研究[D].桂林理工大学.2009.4.
[20]徐维梅.精密单点定位中GPS卫星钟差内插与预报研究[D].山东科技大学.2009.5.
[21]李明峰,江国焰,张凯. IGS精密星历内插与拟合法精度的比较[J].大地测量与地球动力学;2008(4):77-80.
[22]宫厚诚,李全海.基于IGS精密星历的卫星坐标和钟差插值[J].全球定位系统;2009(5):24-26.
[23]洪樱,欧吉坤,彭碧波.GPS卫星精密星历和钟差三种内插方法比较[J].武汉大学学报信息科学版;2006,31(6):516-518.
[24]邱蕾,廖远琴,花向红.基于IGS精密星历的卫星坐标插值[J].测绘工程,2008, 17(4):15-18.
[25]韦建超.GPS精密单点定位的数据处理研究[D].中南大学.2007.5.
[26]朱勇.GPS精密单点定位技术的研究[D].昆明理工大学.2008.3.
[27]陈默. GPS静态精密单点定位精度分析[D].东南大学,2007.
[28]崔先强,焦文海.灰色系统模型在卫星钟差预报中的应用[J].武汉大学学报.信息科学版,2005(5).
[29]刘精攀. GPS非差相位精密单点定位方法与实现[D].河海大学,2007.
[30]郭东美,韩保民,熊熊.低轨卫星定轨中精密卫星钟差的插值方法[J].大地测量与地球动力学,2007,27(2):103-106.
[31]张守建,李建成,邢乐林等.两种IGS精密星历插值方法的比较分析[J].大地测量与地球动力学,2007,27(2):80-83.
[32]叶聪云,罗涛,陈远,张明.精密卫星钟差的内插方法研究[J].测绘信息与工程,2008,33(l):11-13.
[33]郑作亚,陈永奇,卢秀山.灰色模型修正及其在实时GPS卫星钟差预报中的应用研究[J],天文学报,2008,49(3):306-320.
[2]张小红,刘经南.Rene Forsberg.基于精密单点定位技术的航空测量应用实践[J].武汉大学学报信息科学版, 2006, 31 (1) : 19 - 22.
[3]李正航,张小红.卫星导航定位新技术及高精度数据处理方法[M],武汉大学出版社,2009.
[4] Gao Yang,Chen Kongzhe.Performance Analysis of Precise Point Positioning Using Real-time Orbit and Clock Products[C].The 2004 International Sympo-sium Oil GNss/GPS,Sydney,2004.
[5] Gao,X.Shen,Improving Ambiguity Convergence in Carrier Phase-Based Precise Point Positioning,ION2001, Salt Lake City,USA,September,2001.
[6]叶世榕. GPS非差相位精密单点定位理论与实现[D].武汉大学,2002.4.
[7] Zhang X H,Anderson O B.Surface ice f low velocity and tide retrieval of the Amery ice shelf using precise point positioning[M].Journal of Geodesy,2006,80(4): 171-176.
[8] Zhang X H,Forsberg R.Assessment of long-range kinematic GPS positioning errors by comparison with airborne laser altimetry and satellite altimetry[M].Journal of Geodesy,2007,81(3):201-211.
[9] CHEN W,HU C W et al.Absolute Ionospheric Delay Estimation Based on GPS PPP and GPS Active Network[A], The 2004 Internationa Symposium on GNSS/GPS[C], Sydney, Australia,6-8 December 2004.
[10] Zhang B C.Determination of Un-differenced Atmospheric Delays for Network-based RTK.In:Proceedings of Institute of Navigation GNSS 2009, Savannah,USA, 2009. 2727-2738.
[11]李玮.GPS精密单点定位算法研究与软件实现[D].中国科学测绘研究院.2010.6.
[12]李鹏.GPS精密单点定位若干关键问题研究[D].西南交通大学.2008.4.
[13]李征航,黄劲松.GPS测量与数据处理[M].武汉大学出版社.2005.
[14] http://www.igs.org/components/
[15]李明.GPS非差相位精密单点定位的算法研究[D].辽宁工程技术大学,2007.
[16]王新洲.非线性模型参数估计理论与应用[M].武汉:武汉大学出版社,2002.
[17]刘基余,李征航,王跃虎等.全球定位系统原理及其应用[M].北京:测绘出版社,1993.
[18]涂克楠. GPS精密单点定位的数据处理[D].合肥工业大学.2009.3.
[19]陈蕾.单频GPS精密单点定位算法及模型研究[D].桂林理工大学.2009.4.
[20]徐维梅.精密单点定位中GPS卫星钟差内插与预报研究[D].山东科技大学.2009.5.
[21]李明峰,江国焰,张凯. IGS精密星历内插与拟合法精度的比较[J].大地测量与地球动力学;2008(4):77-80.
[22]宫厚诚,李全海.基于IGS精密星历的卫星坐标和钟差插值[J].全球定位系统;2009(5):24-26.
[23]洪樱,欧吉坤,彭碧波.GPS卫星精密星历和钟差三种内插方法比较[J].武汉大学学报信息科学版;2006,31(6):516-518.
[24]邱蕾,廖远琴,花向红.基于IGS精密星历的卫星坐标插值[J].测绘工程,2008, 17(4):15-18.
[25]韦建超.GPS精密单点定位的数据处理研究[D].中南大学.2007.5.
[26]朱勇.GPS精密单点定位技术的研究[D].昆明理工大学.2008.3.
[27]陈默. GPS静态精密单点定位精度分析[D].东南大学,2007.
[28]崔先强,焦文海.灰色系统模型在卫星钟差预报中的应用[J].武汉大学学报.信息科学版,2005(5).
[29]刘精攀. GPS非差相位精密单点定位方法与实现[D].河海大学,2007.
[30]郭东美,韩保民,熊熊.低轨卫星定轨中精密卫星钟差的插值方法[J].大地测量与地球动力学,2007,27(2):103-106.
[31]张守建,李建成,邢乐林等.两种IGS精密星历插值方法的比较分析[J].大地测量与地球动力学,2007,27(2):80-83.
[32]叶聪云,罗涛,陈远,张明.精密卫星钟差的内插方法研究[J].测绘信息与工程,2008,33(l):11-13.
[33]郑作亚,陈永奇,卢秀山.灰色模型修正及其在实时GPS卫星钟差预报中的应用研究[J],天文学报,2008,49(3):306-320.