| The 2017 World Women’s Volleyball Grand Prix is one of the important world competitions for the Chinese women’s volleyball team in the Tokyo Olympics.Unlike the glory days of Rio last year,the Chinese women’s volleyball team regretted losing in the third place competition and only won the fourth place.The goal of winning medals can be achieved.For the Chinese women’s volleyball team,the game is a process of finding problems.Losing the ball is good for finding problems,recognizing the gap,and letting go of the Olympic champion’s burden,starting from scratch.In this study,the Chinese women’s volleyball team participated in the video footage of the 2017 World Women’s Volleyball Grand Prix(a total of 12 games and 52games)as the research object,and explored the differences in the way and effect of the Chinese women’s volleyball team and foreign women’s volleyball team in the use of technology,and analyzed the impact of the Chinese women’s volleyball team.Important factors and establish a prediction formula for the winning rate.Statistical methods were analyzed by chi-square test,independent sample t-test and multiple stepwise regression using methods such as literature,video observation,and mathematical statistics.The significant level(α)was set to 0.05.The following conclusions are obtained:(1)Chinese women’s volleyball team and foreign women’s volleyball team have significant differences in the way of serving,receiving,smashing,blocking and defensive techniques.There is no significant difference between the two methods of using the passing technique.Foreign women’s volleyball team chooses to jump vigorously and freely.The percentage of players receiving the ball,rear-court player defense,and using the rear-row slamming ball is significantly higher than that of the Chinese women’s volleyball team;the Chinese women’s volleyball team uses the 4th position to attack,the single block,and the front-row player’s defense percentage is significantly higher than the foreign women’s volleyball team.(2)There are significant differences in the use of Chinese women’s volleyball team and foreign women’s volleyball team in serving,receiving,smashing and blocking.The performance of foreign women’s volleyball team in serving,receiving and blocking the net is significantly higher than that of the Chinese women’s volleyball team.The attacking power is not enough.The lack of receiving ability is the main reason for the current Chinese women’s volleyball loss.The Chinese women’svolleyball team is significantly higher than the foreign women’s volleyball team.In terms of offensive ability,compared with the foreign women’s volleyball team taking the initiative advantage,the world’s first main attacker Zhu Ting makes the team very emboldened;there is no significant difference between the defensive effect and the passing effect.(3)The standardized regression equation for the winning ratio of Chinese women’s volleyball team: winning rate = 0.424×smashing effect + 0.392×serving effect + 0.341 × receiving serve effect.Stepwise multiple regression shows that the effect of smashing,serving and receiving the ball is the most important factor affecting the victory and defeat of Chinese women’s volleyball match.It is further demonstrated that the Chinese women’s volleyball team is weaker than the foreign women’s volleyball team in serving and receiving the ball.This is an important technical link that needs urgent improvement..The following recommendations are obtained through the conclusion:(1)Strengthening of the serve ability: The Chinese women’s volleyball team is still in a gap with the world’s strong teams.The Chinese women’s volleyball team should use the power of the ball to increase the strength and strength of the serve.Let the serving method be diverse.(2)Refining the ability to receive the ball: In the future,the Chinese women’s volleyball team can pay attention to the position of the free man in the design of the receiving line,to improve the chances of free people receiving the ball,and to train free people should be more proactive.To grasp the opportunity to catch the ball,to improve the stability and arrival rate of the receiving ball.(3)Strengthening the cooperation of deduction and transmission: The Chinese women’s volleyball team allowed the right-wing attack to participate in the organization’s offensive,in order to alleviate the pressure of the main attacker Zhu Ting,strengthen the rear-end attack on the smashing method,and then combine various attacks to become a three-dimensional attack,to quickly The changing offensive tactics are the main axis.(4)Improvement of blocking ability: Chinese women’s volleyball team needs to strengthen the ability of intercepting the hand and judging ability and coordination ability,especially in terms of thinking,it must be able to stop. |