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卫星重力与地球重力场的文献计量分析
房婷婷1(), 付广裕2()
Bibliometric Analysis of Satellite Gravity and Earth's Gravity Field
Tingting FANG1(), Guangyu FU2()

图2. 卫星重力与地球重力场关键词共现图谱
节点采用年轮样式图。节点大小代表相应关键词有关的发文量,节点越大意味着相应关键词出现的频次越高;节点间连线代表关键词之间存在关联,连线越粗表示关联强度越大

Fig.2. Keyword co-occurrence map of satellite gravity and the Earth's gravity field
The node adopts the annual ring pattern graph. The size of the node represents the amount of posts related to the corresponding keyword, the larger the node, the higher the frequency of the corresponding keyword; The connection between the nodes represents the association between the keywords, and the thicker the connection indicates the association strength