李娜、莎拉波娃战术特点比较研究——发球阶段关联规则分析

Comparative Research on Tactical Characteristics of LI Na and Sharapova—Analysis of Serving Stage based on Association Rules

通过数理统计及关联规则对两位选手前3拍落点进行分析,认为李娜选择发球外角,对手回球中路浅球时,对对手后场正手位施加进攻取得较好得分效果;选择内角发球,对手回球中路落点出浅时,进攻对手后场反手位也是其重要得分手段。莎拉波娃内角发球,对手中路回球时,更多的选择对手后场反手位进行进攻,并取得了较好的效果;面对反手边路浅球时,选择直线进攻是其重要得分手段。

Through mathematical statistics and association rules analysis, this paper makes analysis on first three shot point of two players. The result shows that LI Na chooses to serve out- side ball, while opponent back to the middle light ball, attack of rival achieved good score effect. To serve an inside ball, the opponent plays centre back to the ball out of the shallow, attack the opponent backcourt backhand is also the important means of scoring. Sharapova＇s inside serve, whilf the rival plays back to the ball, more options to attack the opponent backcourt backhand hit, and good results have been achieved. Facing backhand side light, choosing the linear attack is the important means of scoring.