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The seasonal dependence of cycle slip occurrence of GPS data over China low latitude region

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【Author】 ZHANG DongHe1, FENG Man1, XIAO Zuo1, HAO YongQiang1, SHI LiQin2, YANG GuangLin3 & SUO YuCheng4 1 Department of Geophysics, Peking University, Beijing 100871, China; 2 Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China; 3 National Forecasting Center for Space Weather, Beijing 100080, China; 4 China Research Institute for Radio Propagation, Xinxiang 453003, China

【摘要】 The relationship of daily accumulated cycle slip occurrence with the season is analyzed using the GPS data observed in six GPS stations located in China low latitude region in 2001. It is found that the seasonal dependence of cycle slip oc-currence is evident. The cycle slip mainly occurs during the periods of two equinox months (March to May and September to October), and some correlative changes of the cycle slip occurrences over all six stations are exhibited in some special days. Considering the diurnal dependence of cycle slip, it can be inferred that the cycle slip occurrence with certain elevation limitation is related with the iono-spheric irregularities over this region.

【Abstract】 The relationship of daily accumulated cycle slip occurrence with the season is analyzed using the GPS data observed in six GPS stations located in China low latitude region in 2001. It is found that the seasonal dependence of cycle slip oc-currence is evident. The cycle slip mainly occurs during the periods of two equinox months (March to May and September to October), and some correlative changes of the cycle slip occurrences over all six stations are exhibited in some special days. Considering the diurnal dependence of cycle slip, it can be inferred that the cycle slip occurrence with certain elevation limitation is related with the iono-spheric irregularities over this region.

【关键词】 GPS； cycle slip； ionospheric irregularities； scintillation； carrier phase；
【Key words】 GPS； cycle slip； ionospheric irregularities； scintillation； carrier phase；
【基金】 Supported by the National Natural Science Foundation of China (Grant Nos. 40674089, 40636032);National Basic Research Program of China (Grant No. 2006CB806306);Project of Beijing Education Committee (Grant No. XK100010404)
  • 【文献出处】 Science in China(Series E:Technological Sciences) ,中国科学(E辑:技术科学)(英文版) , 编辑部邮箱 ,2007年04期
  • 【分类号】P228.4
  • 【被引频次】10
  • 【下载频次】56
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