Based On The Effect And Influence Factors Of The 12th Women's Volleyball World Cup

Floating ball as a serve technology mainly to change and control the flight trajectory to achieve tactical objective,in the pursuit of gain and loss of balance,has a unique tactical role in modern volleyball.In this paper,we study the literature material law,statistics,mathematical statistics method,video observation and comparative analysis and other research methods,by the 12 th women's volleyball World Cup as the research object,the floating ball in the game using the frequency and effects of tactics as the research content,try to interpret the influence factors of floating ball effect,the floating ball technology support for the future development.The results show that:The physical differences between all the competing twelve teams is not obvious.The service,according to the game use frequency is highest is blanketed jump ball,followed by positive overhand floater serve,the least to jump serving.Now jump blanketed the ball technology is still in the stage of development,scoring effect is obvious,but at the same time high turnovers,general ball number is more,so jump blanketed the ball technology need further perfect.Athletes from different countries and according to the characteristics of its own technology adopt a variety of different ways to serve,only the United States women's volleyball athletes adopt a way of serving.Using the float ball number and score effect obvious is the United States women's volleyball team.Looking at today's world woman's volleyball development,the rapid development of the Republic of Korea,Japan and Serbia,the three teams,in the way of service,the preferred way of serving for the jump ball and the use of a higher frequency.Through game data comparison,jump floater that serve directly to score the highest success rate,direct scoring second serve as positive the overhand floater,direct manner with the lowest score for the strong jump serve.The other players receiving does not reach the designated position and achieve the effect of serve attack broke the highest jump float serve,the overhand floater,the effect is not obvious for the jump serve.