%0 Journal Article
%T RESEARCH ON STABLILITY OF GRAVITY TIME-VARYING SYSTEM<br>重力时序变化系统稳定性的研究
%A Guo Shusong
%A Zhu Yiqing
%A <br>郭树松
%A 祝意青
%J 大地测量与地球动力学
%D 2011
%I 
%X We regard gravity time sequence system as slow time-varying system and use difference equations for describing its equivalent parameter model based on the theory of linear systems analysis. By judging the stability of parametric sequence,we are going to explore the precursors. On the basis of gravity time-varying series from 1994 to 2009 of three observation points in Hexi gravity survey network,we prove that this method is effective,but more research are required to confirm the relations between unstabilit...
%K gravity time-variation
%K slow time-varying system
%K difference equations
%K parametric sequence
%K Hexi gravity survey network<br>重力时序变化
%K 慢时变系统
%K 差分方程
%K 参数序列
%K 河西重力观测网
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=68171298AF1197460BF59CBD0032A2F3&yid=9377ED8094509821&vid=4AD960B5AD2D111A&iid=94C357A881DFC066&sid=1D0FA33DA02ABACD&eid=0401E2DB1F51F8DE&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=9