CBA2021-2022赛季常规赛四强攻防实力的TOPSIS分析

A TOPSIS Analysis of Offensive and Defensive Strength of CBA’s 2021-2022 Regular Season Quarterfinals

CBA联赛朝着快速、高效、竞争更加激烈的方向发展,球队之间的实力差距也越来越小。本文运用数理统计法、TOPSIS分析法对CBA 2021-2022赛季常规赛四强球队的攻、防指标进行分析,结果表明:①辽宁队、广厦队、浙江队的进攻指标C值分别是0.367、0.401、0.464,说明进攻实力较弱;上海队的进攻指标C值是0.623,进攻实力相对较强。②辽宁队和上海队的防守指标C值均在0.5以上,说明其防守实力较强;广厦队和浙江队的防守指标C值均小于0.05,说明防守实力偏弱。③攻、防两端综合实力方面,上海队的攻防指标C值为0.602,说明上海队的整体实力较强;辽宁队、广厦队、浙江队的攻防指标C值均小于0.5,攻守整体实力偏弱。

The CBA League is getting faster,more efficient and competitive,and the gap between teams has become smaller.This paper presents an analysis of the offence and defense strength metrics of the top four teams in the CBA League in the 2021-2022 regular season,applying numerical statistical method and TOPSIS analysis method.The following conclusions are drawn:(a)The offensive indicators of Liaoning,Guangsha and Zhejiang were 0.367,0.401 and 0.464,respectively,which belonged to the weak offensive strength of the teams;the offensive indicators of the Shanghai team Ci were 0.623,and the offensive strength of the Shanghai team was relatively strong.(b)The Ci value of the defensive indicators of Liaoning and Shanghai is above 0.5,indicating that its defensive strength is high,and the defense indicator Ci values of Guangsha and Zhejiang are both lower than 0.05,indicating that the defense is weak.(c)In terms of the overall strength of attack and defense,the Ci value of the offensive and defensive indicators of the Shanghai team is 0.602,indicating that the overall strength of the Shanghai team is strong;the Ci values of the offensive and defensive indicators of the Liaoning team,the Guangsha team and the Zhejiang team are all lower than 0.5,indicating that the overall attack and defense is weak.