中文摘要：

以第三代移动通信技术领域为例,本文从17864项专利文献的标题和摘要中抽取了技术术语,之后对其进行了战略坐标视角下的共词分析。在卡龙的技术子簇的构建方法基础上,运用饱和值标准进行聚类和技术主题的划分,并构建了内联度和外联度指标,之后在实证分析中将共词分析法、聚类分析法与战略坐标分析法相结合,绘制出了专利技术主题战略坐标图,展示了第三代移动通信技术领域的技术研发现状和发展趋势。最终专利技术主题战略坐标图表明,有25个专利技术主题位于战略坐标1、2象限,表明这些专利技术主题的外部扩散能力较强;有24个专利技术主题位于1、4象限,表明这些专利技术主题的内部连接能力较强,研究主题的稳定性较强。

英文摘要：

Taking the patents of third generation mobile communication（3G） in Derwent Innovation Index as data source,the paper first extracted technique terms from the titles and Abstracts in the patent documents,and then conducted co-word analysis in the perspective of strategic diagram.Then,based on Collon＇s co-word analysis,saturation value was applied to cluster technique terms to divide them into different technology focus categories.After that,inner link and outer link were calculated to form technology focus strategic diagram,in which the methods of co-word analysis,cluster analysis and strategic diagram were combined together.At last,the research situation and research trend were shown in the diagram：25 technology focuses with higher outer link were located in the first and second quartile,while 24 technology focuses were positioned in the first and fourth quartile with respectively higher inner link.