%0 Journal Article
%T A comparison and analysis of the S4 index,C/N and ROTI over Sanya<br>海南三亚地区S4指数与C/N、ROTI的比较分析
%A XIONG Bo
%A WAN Wei-Xing
%A NING Bai-Qi
%A YUAN Hong
%A LI Guo-Zhu
%A <br>熊波
%J 地球物理学报
%D 2007
%I 
%X Using the data received by GPS scintillation/TEC receiver at Sanya station in Hainan province during August,2004-July,2005,we made some comparison and analyses of the S_4(the amplitude scintillation index),C/N(Carrier to Noise) and ROTI(the standard deviation of the change rate of TEC).We also analyzed the scintillation on 7 November 2004 in detail.From the comparison and analysis,we concluded as follows:(1) the scintillation strength of one year has a semiyearly periods,the maximum scintillation strength of one year appears in spring and autumn;(2) the S_4 and C/N have a good negative correlation;(3) ROTI can be regarded as an indicator of the present of scintillation causing small-scale ionospheric irregularities.
%K GPS
%K Scintillation
%K TEC
%K C/N
%K S_4<br>GPS
%K 闪烁
%K 电子浓度总含量
%K 载噪比
%K S4
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=1E44AE713D8A6DE0&jid=14DC41C59CBF6770055A7D610D53AE46&aid=EA4399EF7459437B1A9201E877A44CC3&yid=A732AF04DDA03BB3&vid=771152D1ADC1C0EB&iid=B31275AF3241DB2D&sid=71706E59E547123D&eid=F8C186D6055F60DE&journal_id=0001-5733&journal_name=地球物理学报&referenced_num=0&reference_num=19