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联合卫星双向时间频率传递和GNSS观测数据确定重力位差和高程差
  • ISSN号：1671-5942
  • 期刊名称：《大地测量与地球动力学》
  • 时间：0
  • 分类：P228[天文地球—大地测量学与测量工程;天文地球—测绘科学与技术]
  • 作者机构：[1]武汉大学测绘学院,武汉市珞喻路129,430079
  • 相关基金：国家973计划（2013CB733301）; 国家自然科学基金（41174011,41429401,41210006,41128003）
作者： 孔祥雪[1], 申文斌[1], 张胜军[1]
关键词： 卫星双向时间频率传递, GNSS, 时间比对, 重力位差, 高程差, two-way satellite time and frequency transfer, GNSS, time comparison, geopotential difference, orthometric height difference
中文摘要：

选取国际权度局发布的4个台站2014-01-14~26的卫星双向时间频率时钟频率之差观测序列及GNSS时钟频率之差数据序列,基于时钟比对法,确定了两地之间重力位差和高程差。与EGM2008模型结果检核表明,重力位差和高程差的标准差分别为308.5m2/s2和31.5m,实验结果与目前守时台站所采用原子钟的稳定度10-15量级基本一致。

英文摘要：

According to general relativity theory, the running rate and orthometric height of precise clock＇s are closely related, and consequently the height difference can be determined by measuring the running rate difference between two clocks located at two stations. Using the time-frequency differ- ence in observation series by the two-way satellite time and frequency transfer and those by GNSS at four stations released by the Bureau International des Poicls et Mesures, we determine the geopotential difference and height difference between arbitrary pairs of the four stations based upon the clock com- parison method. Compared to the EGM2008 model results, the standard deviations of the geopotential and height differences are respectively 308.5 m2/s2 and 31.5 m. Experimental results are consistent with the current stability level 10-15 of the atomic clocks equipped in the time-keeping stations.

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期刊信息
  • 《大地测量与地球动力学》
  • 北大核心期刊（2011版）
  • 主管单位:中国地震局
  • 主办单位:中国地震局地震研究所 地壳运动监测工程研究中心 中国地震局地壳应力研究所等
  • 主编：姚运生
  • 地址：湖北省武汉市武昌区洪山侧路40号
  • 邮编：430071
  • 邮箱：jgg09@public.wh.hb.cn
  • 电话：027-87864009 87667622
  • 国际标准刊号：ISSN：1671-5942
  • 国内统一刊号：ISSN：42-1655/P
  • 邮发代号:38-194
  • 获奖情况:
  • 92年、96年获中国地震局优秀期刊奖
  • 国内外数据库收录:
  • 美国剑桥科学文摘,中国中国科技核心期刊,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:9069