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针对世界范围内无线传感网能量管理技术,选用德温特世界专利创新索引(Derwent Innovations Index,DII)为数据源,分析了该技术领域的专利产出活动态势。采用的分析方法主要有:技术生命周期、词频分析、共引关联、共词强度、技术功效(应用)矩阵等。根据数据分析结果,探讨了该技术领域的未来发展趋势。以期为相关技术领域内的研发布局分析、发展政策分析与制定提供参考。
Aiming at the worldwide energy management technology of wireless sensor network, Derwent Innovations Index (DII) was selected as the data source, and the trend of patent output activities in this field was analyzed. Analytical methods used are: technology life cycle, word frequency analysis, co-cited correlation, total word intensity, technical efficacy (application) matrix and so on. According to the results of data analysis, the future development trend of this technology is discussed. With a view to provide reference for the R & D layout analysis and development policy analysis and formulation in relevant technical fields.