%0 Journal Article
%T SURFACE FITTING ALGORITHM OF RADAR ANTENNA PROFILE MEASUREMENT<br>雷达天线型面测量拟合算法
%A Chen Xingquan
%A Wang Jiexian
%A <br>陈兴权
%A 王解先
%J 大地测量与地球动力学
%D 2008
%I 
%X Radar antennas on long-period erection state can easily lead to deformation.Therefore,periodical test is required.However,the standard equation parameters of the curved surface can not be computed out with existing surface fitting methods.A general quadric equation and eigenvalue condition are used to fit the elliptic paraboloid equation,and the conversion relationship between the measurement coordinates and the standard coordinates expounded.Besides,the relationship between eigenvectors and rotation angles is shown.The general format of elliptic paraboloid equation is converted into standard format.An engineering example verifies that this method is applicable.
%K surface fitting
%K radar antenna
%K coordinates transformation
%K eigenvector
%K eigenvalue<br>曲面拟合
%K 雷达天线
%K 坐标转换
%K 特征向量
%K 特征值
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=F76F88070ACFE6EBC127AAF4FB99802B&yid=67289AFF6305E306&vid=D3E34374A0D77D7F&iid=E158A972A605785F&sid=480C51B1F0CE0AB6&eid=DDD31293A7C7D057&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=9