GPS周跳频次时空特征分析
作者:
作者单位:

同济大学 测绘与地理信息学院,上海 200092

作者简介:

杨 玲,副教授,工学博士,主要研究方向为卫星导航定位完好性、粗差探测、多源融合等。 E-mail: lingyang@tongji.edu.cn

中图分类号:

P228

基金项目:

国家自然科学基金(41874004、42274030);上海市自然科学基金(20ZR1462000);中央高校基本科研业务费专项资金(221202105-22)


Spatial-temporal Characteristics of GPS Cycle Slip Frequency
Author:
Affiliation:

School of Survey and Geo-information, Tongji University, Shanghai 200092, China

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    摘要:

    利用TurboEdit周跳探测方法对2015―2019年美国连续运行参考系统(CORS)中均匀分布的357个测站的GPS观测数据进行周跳探测,对周跳探测结果的时空特征进行统计分析,并探讨了周跳频次与高度角、地方时、季节以及年份之间的相关性。结果表明,低高度角下周跳频次相对更高;在地方时12:00―18:00区间内,周跳频次显著升高;3月和9月左右周跳频次达到峰值,3月的周跳频次高于9月的周跳频次,而且2015年的周跳频次显著高于其他年份。

    Abstract:

    In this paper, the cycle slip detection method of TurboEdit is used to detect the GPS observation data of 357 stations evenly distributed in the continuous operational reference system (CORS) of the United States of America from 2015 to 2019. The spatial and temporal characteristics of the cycle slip detection results are statistically analyzed, and the correlation between the cycle slip frequency(F-CS) and the elevation angle, local time, season and year is discussed. The results show that F-CS values are relatively higher at low altitude angles and there are more cycle slip events between 12:00―18:00 than those in other times. In addition, F-CS values in March and September reach the peak, and F-CS values in March are higher than those in September. It is notable that F-CS values in 2015 are higher than those in other four years.

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杨玲,宋梵彬,程碧泉,孙楠,楼立志. GPS周跳频次时空特征分析[J].同济大学学报(自然科学版),2024,52(11):1786~1793

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  • 收稿日期:2022-06-21
  • 在线发布日期: 2024-12-03
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