BDS网络RTK参考站三频整周模糊度解算方法
北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定。本文提出了一种BDS网络RTK参考站三频整周模糊度解算方法。首先利用B2、B3频率的观测值及严格的模糊度固定标准确定超宽巷整周模糊度,将固定的超宽巷整周模糊度与其他宽巷整周模糊度的线性关系作为约束条件,然后估计宽巷整周模糊度、相对天顶对流层延迟误差和电离层延迟误差,并搜索确定宽巷整周模糊度。利用固定的宽巷整周模糊度与三频载波相位整周模糊度的整数线性关系,将线性关系加入载波相位整周模糊度参数估计观测模型中,然后确定载波相位整周模糊度。使用实测的CORS网BDS三频观测数据进...
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| Published in | 测绘学报 Vol. 46; no. 4; pp. 442 - 452 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
德国地学研究中心,波茨坦 14473
2017
辽宁工程技术大学测绘与地理科学学院,辽宁 阜新,123000%辽宁工程技术大学测绘与地理科学学院,辽宁 阜新 123000 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 |
| DOI | 10.11947/j.AGCS.2017.20160179 |
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| Abstract | 北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定。本文提出了一种BDS网络RTK参考站三频整周模糊度解算方法。首先利用B2、B3频率的观测值及严格的模糊度固定标准确定超宽巷整周模糊度,将固定的超宽巷整周模糊度与其他宽巷整周模糊度的线性关系作为约束条件,然后估计宽巷整周模糊度、相对天顶对流层延迟误差和电离层延迟误差,并搜索确定宽巷整周模糊度。利用固定的宽巷整周模糊度与三频载波相位整周模糊度的整数线性关系,将线性关系加入载波相位整周模糊度参数估计观测模型中,然后确定载波相位整周模糊度。使用实测的CORS网BDS三频观测数据进行算法验证,结果表明,该方法可正确有效地实现参考站间三频载波相位整周模糊度的快速解算。 |
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| AbstractList | 北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定。本文提出了一种BDS网络RTK参考站三频整周模糊度解算方法。首先利用B2、B3频率的观测值及严格的模糊度固定标准确定超宽巷整周模糊度,将固定的超宽巷整周模糊度与其他宽巷整周模糊度的线性关系作为约束条件,然后估计宽巷整周模糊度、相对天顶对流层延迟误差和电离层延迟误差,并搜索确定宽巷整周模糊度。利用固定的宽巷整周模糊度与三频载波相位整周模糊度的整数线性关系,将线性关系加入载波相位整周模糊度参数估计观测模型中,然后确定载波相位整周模糊度。使用实测的CORS网BDS三频观测数据进行算法验证,结果表明,该方法可正确有效地实现参考站间三频载波相位整周模糊度的快速解算。 P288; 北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定.本文提出了一种BDS网络RTK参考站三频整周模糊度解算方法.首先利用B2、B3频率的观测值及严格的模糊度固定标准确定超宽巷整周模糊度,将固定的超宽巷整周模糊度与其他宽巷整周模糊度的线性关系作为约束条件,然后估计宽巷整周模糊度、相对天顶对流层延迟误差和电离层延迟误差,并搜索确定宽巷整周模糊度.利用固定的宽巷整周模糊度与三频载波相位整周模糊度的整数线性关系,将线性关系加入载波相位整周模糊度参数估计观测模型中,然后确定载波相位整周模糊度.使用实测的CORS网BDS三频观测数据进行算法验证,结果表明,该方法可正确有效地实现参考站间三频载波相位整周模糊度的快速解算. |
| Abstract_FL | BeiDou navigation satellite system is currently the only system which the whole constellation offers triple-frequency observation data, triple-frequency observation is conducive to carrier phase ambiguity fixing quickly and accurately.The algorithm of triple-frequency integer ambiguity resolution between BDS network RTK reference stations is proposed.The observation of B2 frequency and B3 frequency and the strict criterion of ambiguity fixing are used to determine extra-wide-lane integer ambiguity.The linear relationship between fixed extra-wide-lane integer ambiguity and other wide-lane integer ambiguity is selected as constraint conditions, then the wide-lane integer ambiguity, relative zenith tropospheric delay error and ionospheric delay error are estimated and the wide-lane integer ambiguity can be fixed by search mode.There is a kind of integer linear relationship between fixed wide-lane integer ambiguity and triple-frequency carrier phase integer ambiguity, this linear relationship is added to the observation model of carrier phase ambiguity parameter estimation and the integer ambiguity can be fixed.This algorithm is tested by the measured triple-frequency data of BDS CORS network.The results indicate that triple-frequency carrier phase ambiguity can be fixed accurately and effectively with the method. |
| Author | 高猛 徐爱功 祝会忠 葛茂荣 杨秋实 |
| AuthorAffiliation | 辽宁工程技术大学测绘与地理科学学院,辽宁阜新123000 德国地学研究中心,波茨坦14473 |
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| Author_FL | XU Aigong GAO Meng GE Maorong YANG Qiushi ZHU Huizhong |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | The Algorithm of Triple-frequency Ambiguity Resolution between BDS Network RTK Reference Stations |
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| EndPage | 452 |
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| Keywords | BDS BeiDou navigation satellite system 三频 相对天顶对流层延迟误差 integer ambiguity ionospheric delay error 网络RTK relative zenith tropospheric delay error network RTK 电离层延迟误差 triple-frequency 整周模糊度 |
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| Notes | BeiDou navigation satellite system; network RTK; triple-frequency; integer ambiguity; relative zenith tropospheric delay error; ionospheric delay error GAO Meng1 ,XU Aigong1 ,ZHU Huizhong1,GE Maorong1,2,YANG Qiushi1 （1. School of Geomatics, Liaoning Technical University, Fuxin 123000, China; 2. German Research Center for Geosciences, Potsdam 14473 ,Germany 11-2089/P BeiDou navigation satellite system is currently the only system which the whole constellation offers triple-frequency observation data,triple-frequency observation is conducive to carrier phase ambiguity fixing quickly and accurately.The algorithm of triple-frequency integer ambiguity resolution between BDS network RTK reference stations is proposed.The observation of B2 frequency and B3 frequency and the strict criterion of ambiguity fixing are used to determine extra-wide-lane integer ambiguity.The linear relationship between fixed extra-wide-lane integer ambiguity and other wide-lane integer ambiguity is selected as constraint conditions,then the |
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| PublicationTitle | 测绘学报 |
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| PublicationYear | 2017 |
| Publisher | 德国地学研究中心,波茨坦 14473 辽宁工程技术大学测绘与地理科学学院,辽宁 阜新,123000%辽宁工程技术大学测绘与地理科学学院,辽宁 阜新 123000 |
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| Snippet | 北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定。本文提出了一种BDS网络RTK参考站三频整周... P288; 北斗卫星导航系统是目前唯一一个全星座提供三频观测数据的卫星导航定位系统,三频观测值有助于载波相位整周模糊度的快速、准确固定.本文提出了一种BDS网络RTK参考站三... |
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| SubjectTerms | BDS 三频 整周模糊度 电离层延迟误差 相对天顶对流层延迟误差 网络RTK |
| Title | BDS网络RTK参考站三频整周模糊度解算方法 |
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