%0 Journal Article
%T ANALYSIS OF DISTURBANCE FROM CALCULATION DATUM OF LONGMENSHAN REGIONAL GRAVITY NETWORK<br>龙门山区域重力网起算基准的扰动分析
%A Sun Shaoan
%A Xiang Aimin
%A Zhou Xin
%A <br>孙少安
%A 项爱民
%A 周新
%J 大地测量与地球动力学
%D 2009
%I 
%X On the basis of fine process of all the observation data of Longmenshan regional gravity network,the analysis method of statistic correlation is used to study the stability of the calculation datum in the classic indirect adjustment and its disturbance on adjustment results.The gravity changes in which calculation datum disturbance is corrected show that the gravity anomalyl before Wenchuan earthquake is obvious and its characteristics is distinctive.Thus the stability of calculation datum must be considere...
%K regional gravity network
%K classic indirect adjustment
%K calculation datum
%K gravity anomaly
%K Wenchuan Ms8
%K 0 earthquake<br>区域重力网
%K 经典间接平差
%K 起算基准
%K 重力场异常
%K 汶川地震
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=EC18099FD558230001BA440171DEEEF6&yid=DE12191FBD62783C&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=5D311CA918CA9A03&eid=59906B3B2830C2C5&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=8