赵硕;秘金钟;徐彦田;赵忠海;

• 1:辽宁工程技术大学测绘与地理科学学院
• 2:中国测绘科学研究院
• 3:黑龙江第一测绘工程院

摘要(Abstract)：

针对Android系统开放GNSS原始数据观测值API和搭载双频多星座GNSS芯片智能手机的出现,该文选取全球首款搭载双频GNSS芯片的智能手机小米Mi 8为研究对象,对手机输出的四系统卫星的双频原始GNSS观测数据进行研究。实验结果表明:在两种不同的实验条件下,智能手机的原始观测值相比于专业的测量型接收机显示出较低的信噪比和更高的多路径效应,同时,尽管小米Mi 8取消了工作循环机制,但相位观测值仍然具有较多的周跳。虽然与专业的测量型设备相比仍有差距,但双频信号和多星座给定位结果带来的改善仍然显示了智能手机高精度定位在民用领域的光明前景。

关键词(KeyWords)： GNSS;Android智能手机;双频观测值;数据质量分析;多路径效应

Abstract:

Keywords:

基金项目(Foundation): 中国测绘科学研究院基本科研业务费(AR1903);; 黑龙江省应用技术研究与开发计划项目(GA17A301);; 国家重点研发计划课题(2016YFB0501801,2016YFB0501405,2016YFB0502105,2016YFB0502101);; 高分辨率对地观测系统重大专项;; 全球连续监测评估系统项目(CFZX0301040308-06);; 国家基础测绘科技项目(2017KJ0205);; 辽宁省教育厅辽宁省高等学校基本科研项目(LJ2017QL008)

作者(Author): 赵硕;秘金钟;徐彦田;赵忠海;

Email:

DOI: 10.16251/j.cnki.1009-2307.2020.02.004

参考文献(References)：

• [1] ROBUSTELLI U,BAIOCCHI V,PUGLIANO G.Assessment of dual frequency GNSS observations from a Xiaomi Mi 8 Android smartphone and positioning performance analysis[J].Electronics,2019,8(1):91.
• [2] KIRKKO-JAAKKOLA M,S?DERHOLM S,HONKALA S,et al.Low-cost precise positioning using a national GNSS network[C]//Proceedings of ION GNSS+ 2015,Tampa,Florida,USA.[S.l.]:[s.n.],2015:2570-2577.
• [3] HUMPHREYS T E,MURRIAN M,VAN DIGGELEN F,et al.On the feasibility of cm-accurate positioning via a smartphone’s antenna and GNSS chip[C]//2016 IEEE/ION Position,Location and Navigation Symposium(PLANS).Piscataway:IEEE,2016.
• [4] BANVILLE S,VAN DIGGELEN F.Precise positioning using raw GPS measurements from Android smartphones[J].GPS World,2016,27(11):43-48.
• [5] 惠孟堂,张慧敏.智能手机单频RTK定位性能分析[C]//中国卫星导航学术年会.[出版地不详]:[出版者不详],2016.(HUI Mengtang,ZHANG Huimin.Analysis of single-frequency RTK positioning performance of smart phones[C]//China Satellite Navigation Academic Annual Meeting.[S.l.]:[s.n.],2016.)
• [6] ZHANG Xiaohong,TAO Xianlu,ZHU Feng,et al.Quality assessment of GNSS observations from an Android N smartphone and positioning performance analysis using time-differenced filtering approach[J].GPS Solutions,2018,22:70.
• [7] H?KANSSON M.Characterization of GNSS observations from a Nexus 9 Android tablet[J].GPS Solutions,2019,23:21.
• [8] Google GPS measurement tools[Z/OL].[2019-04-17].https://github.com/google/gps-measurement-tools/tree/master/GNSSLogger.
• [9] Logging of GNSS raw data on Android[Z/OL].[2019-04-17].http://www.geopp.de/logging-of-gnss-rawdata-on-android/.
• [10] NSL launches a new free Android app as part of FLAMINGO:discover rinexON[Z/OL].[2019-04-17].https://www.?amingognss.com/rinexon.
• [11] 张涛,秘金钟,谷守周.Anubis的GNSS数据质量检核可视化表达与分析[J].测绘科学,2017,42(12):163-170,177.(ZHANG Tao,BEI Jinzhong,GU Shouzhou.Visualization and analysis of GNSS data quality check on Anubis[J].Science of Surveying and Mapping,2017,42(12):163-170,177.)
• [12] 梁洪宝,顾焕杰,王友.GNSS观测数据质量对坐标解算精度的影响分析[J].测绘科学,2016,41(5):5-9.(LIANG Hongbao,GU Huanjie,WANG You.Impact analysis of GNSS observation quality on coordinate solution[J].Science of Surveying and Mapping,2016,41(5):5-9.)
• [13] 胡亚轩,王雄,程林,等.GNSS观测站环境变化对数据质量的影响[J].测绘科学,2018,43(3):131-136.(HU Yaxuan,WANG Xiong,CHENG Lin,et al.Study on the data quality with the changing surroundings of GNSS stations[J].Science of Surveying and Mapping,2018,43(3):131-136.)
• [14] 朱静然.多系统GNSS实时数据质量分析及软件实现[D].南京:东南大学,2015.(ZHU Jingran.Multi-GNSS real-time data analysis and software implementation[D].Nanjing:Southeast University,2015.)
• [15] 余文坤,戴吾蛟,杨哲.基于TEQC的GNSS数据质量分析及预处理软件的设计与实现[J].大地测量与地球动力学,2010,30(5):81-85.(YU Wenkun,DAI Wujiao,YANG Zhe.GNSS data analysis & pre-processing software design based on TEQC[J].Journal of Geodesy and Geodynamics,2010,30(5):81-85.)