%0 Journal Article
%T REGRESSIVE SOLUTION FOR QUANTITATIVE PHASE ANALYSIS BY X-RAY DIFFRACTION WITHOUT STANDARD SANPLES<br>无标样X射线衍射定量相分析的回归求解
%A 陈名浩
%J 金属学报
%D 1988
%I 
%X 用m个试样的测值,构成求k方程的差方和,将其对n个k值求极小(m>n),即令?sum from j=1 to m(M_j-sum from i=1 to n I_(ijk_s~i))~2/?k_s~i=0回归得出n个求k方程的各项系数.由△k=△_I~(-1)*△_M矩阵运算式解出n个k值,进而求得n个未知相量.利用回归降低总误差,以期克服多元方程求解过程中误差叠加的困难.方法应用于W_9Mo_3Cr_4V高速钢析出相的定量分析.
%K X-ray phase analysis without sdandard sample
%K error
%K regressive solution<br>无标样衍射相分析
%K 误差
%K 回归求解
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=FA9AA3B3D2C5CF1615AB22448E398CB7&yid=0702FE8EC3581E51&vid=B91E8C6D6FE990DB&iid=38B194292C032A66&sid=5D8C08279A19B0D4&eid=B8F8200D88DDC7D6&journal_id=0412-1961&journal_name=金属学报&referenced_num=3&reference_num=1