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本文介绍一种X线粉末衍射花样的电子计算机检索-匹配程序。与国内外目前常用程序相比,本程序的特点是:(1)以卡序号代替常规的JCPDS号作为索引号建库;(2)利用反文件库进行粗检,并引入物质类型判据和三强线判据以减少误检;(3)作者采用最小二乘法进行强度匹配,能得到比通常的Frevel法更合理的结果。
This article describes an X-ray powder diffraction pattern computer retrieval - matching program. Compared with the commonly used programs both at home and abroad, this program is characterized by: (1) using card serial number instead of conventional JCPDS number as the index number to build the database; (2) using the anti-document library for rough inspection and introducing the material type criterion (3) The authors use the least square method for intensity matching, which can get more reasonable results than the usual Frevel method.