基于灰关联理论的第30届奥运会男子篮球比赛技术指标研究

Statistical Analysis of the Technical and Tactical Indicators of the 30th Olympics Men's Basketball Competition

运用灰色关联理论,通过文献资料、录像观察和数理统计等多种方法,对第30届奥运会男子篮球比赛各球队的技战术指标进行统计与分析,研究影响本届奥运会比赛成绩的主要因素及发展趋势。研究结果表明:第30届奥运会男子篮球比赛15项技术指标中有7项指标与得失分率、比赛名次关系最密切,这7项指标与比赛成绩有非常显著性差异,存在线性关系;本届奥运会男子篮球比赛的攻防转换速度进一步加快,进攻次数明显增加,进攻效率越来越高,稳定的投篮命中率成为影响本届奥运会篮球比赛成绩的最重要因素;探讨了美国队和中国队成败的关键因素;运用灰色关联分析和秩相关分析研究第30届奥运会男子篮球比赛各球队技战术水平具有实际意义,是一种研究篮球运动技战术水平的有效方法。

This paper makes statistics and analyzez the 30 th Olympics men＇s basketball team＇s technical and tactical indicators using a variety of methods,like literature,video observation and mathematical statistics,based on the grey relational theory.Furthermore,it studies the development trends and the main factors which impact the final scores of the Olympic Games.The research results show that： In the 30 th Olympics men＇s basketball competition,seven among fifteen technical and tactical indicators have a strong link to score rate and rank of the competition.The seven indicators have very significant differences with the results of competition,which shows a linear relationship.Moreover,the transitional speed of the offense and defense of the Olympic men＇s basketball competition accelerates,the frequency and the efficiency of the offense increases.The stable hit rate becomes the most important factor in the achievement of this year＇s Olympics basketball competition.The paper also explores the key factors for the success of the U.S.team and the failure of the Chinese team.It is of great practical significance to analyze each team＇s technical and tactical level in the 30 th Olympics men＇s basketball competition,using the theory of gray relational analysis and rank correlation.It is also an effective method to study basketball technical and tactical level.