滑窗滤波和电离层二次时间差的周跳探测与修复Cycle slip detection and repair based on front-to-back sliding window filtering and second-order time-difference phase ionospheric residua method
章繁;刘长建;冯绪;许扬胤;
摘要(Abstract):
针对大磁暴条件对周跳探测的影响,该文联合电离层二次时间差以及基于宽巷组合的前后滑动窗口滤波方法进行周跳探测,采用优化的阈值设计算法,对探测出来的周跳立即修复得到实数解,而后取整得到整数周跳,并借鉴验后单位权中误差精度指标用于周跳修复准确性评价,该指标能够有效确保周跳修复的可靠性。实验结果表明,即使在大磁暴条件下,该算法依然能够实现对模拟周跳有效的探测与修复,并且无不敏感周跳。
关键词(KeyWords): 磁暴;双频;周跳;电离层二次时间差;滑动滤波窗口
基金项目(Foundation): 国家自然科学基金项目(41374041)
作者(Authors): 章繁;刘长建;冯绪;许扬胤;
DOI: 10.16251/j.cnki.1009-2307.2019.07.009
参考文献(References):
- [1]LIU Z Z,CHEN W.Study of the ionospheric TEC rate in Hong Kong region and its GPS/GNSS application[J].Global Navigation Satellite System:Technology Innovation&Application,2009:129-137.
- [2]ZHANG D H,MAN F,ZUO X,et al.The seasonal dependence of cycle slip occurrence of GPS data over China low latitude region[J].Science in China Series ETechnological Sciences,2007(4):422-429.
- [3]严悦.电离层残差法探测与修复周跳特性分析[J].地理空间信息,2010,8(4):118-120.(YAN Yue.Analysis of the effect of detection and reparation for cycle slips using ionosphere residual error method[J].Geospatial Information,2010,8(4):118-120.)
- [4]LACY M C D,REGUZZONI M,SANSF,et al.The Bayesian detection of discontinuities in a polynomial regression and its application to the cycle-slip problem[J].Journal of Geodesy,2008,82(9):527-542.
- [5]李猛,文援兰,梁加红,等.基于卡尔曼滤波的周跳探测算法[J].测绘科学技术学报,2010,27(6):407-411.(LI Meng,WEN Yuanlan,LIANG Jiahong,et al.An algorithm of detecting cycle slips based on Kalman filter[J].Journal of Geomatics Science and Technology,2010,27(6):407-411.)
- [6]王振杰,聂志喜,欧吉坤.一种基于TurboEdit改进的GPS双频观测值周跳探测方法[J].武汉大学学报(信息科学版),2014,39(9):1017-1021.(WANG Zhenjie,NIE Zhixi,OU Jikun.An improved cycle slip detection based on TurboEdit method for dual-frequency GPSreceiver[J].Geomatics and Information Science of Wuhan University,2014,39(9):1017-1021.)
- [7]李迪,柴洪洲,潘宗鹏.STPIR和MW组合的北斗三频周跳探测与修复[J].海洋测绘,2018(1):31-34.(LIDi,CHAI Hongzhou,PAN Zongpeng.A combination of STPIR and MW for BDS triple-frequency cycle slip detection and repair[J].Hydrographic Surveying and Charting,2018(1):31-34.)
- [8]李林阳,吕志平,周海涛,等.对TurboEdit周跳探测及修复算法的改进[J].测绘科学技术学报,2015,32(2):140-145.(LI Linyang,LYU Zhiping,ZHOU Haitao,et al.Improvement of the TurboEdit cycle slip detection and repair algorithm[J].Journal of Geomatics Science and Technology,2015,32(2):140-145.)
- [9]黄令勇,宋力杰,王琰,等.北斗三频无几何相位组合周跳探测与修复[J].测绘学报2012,41(5):763-768.(HUANG Lingyong,SONG Lijie,WANG Yan,et al.BeiDou triple-frequency geometry-free phase combination for cycle-slip detection and correction[J].Acta Geodaetica et Cartographica Sinica,2012,41(5):763-768.)
- [10]孙文杰,宁百齐,赵必强,等.2015年3月磁暴期间中国中低纬地区电离层变化分析[J].地球物理学报,2017,60(1):1-10.(SUN Wenjie,NING Baiqi,ZHAO Biqiang,et al.Analysis of ionospheric features in the middle and low latitudes region of China during the geomagnetic storm in March 2015[J].Chinese Journal of Geophysics,2017,60(1):1-10.)