| With the continuous development of modern volleyball,serve this technology plays a more and more important role in the game,the serve has become the first link between the teams race happening in the world.Especially since the rally point system.the importance,teams to serve technology attaches great importance to the world,making the technology serve get improved by leaps and bounds.High quality service,not only can bring the serve score directly,also can destroy each other first,effectively promote the LanFang.High quality service not only should reflect on the speed,power,but also serve placement accuracy required.With comparative study of Chinese women's volleyball team in Rio DE Janeiro Olympic Games and the effects of opponent serve big data as the prerequisite,refinement,contrast,research the Rio Olympics the Chinese women's volleyball team and the opponent serve attack effect,unceasingly for the Chinese women's volleyball team glory to provide some valuable reference advice.This study through the literature material method,expert interview method,video observation,mathematical statistics,logic analysis and other Chinese women's volleyball team and the opponents to the Rio Olympics(Brazil,the United States,Italy,the Netherlands,Serbia,Puerto Rico)serve the effect of eight games on the premise of big data,data statistical analysis effect of the serve attack.The following conclusions:1.The modern world women's volleyball team offensive serve on the first pass effect is obvious,but high turnovers,is also a feature of hair jump serving.China women find someone to serve the overall effect and Brazil women's volleyball team,the American women's volleyball team has certain gap,stability but find someone to serve better,then find the women's volleyball team Chinese efficiency of 16.11%after the placement of serving Puerto Rican women's volleyball team 33.36%,but also need to control the error rate.2.Overall effect is better than the Dutch women's volleyball team to serve Chinese women's volleyball team,mainly for placement and get good service in the tactical is higher than the Netherlands women's volleyball team,the group and semi-finals,and serve the overall effect of the Chinese women's volleyball team is better than the Netherlands,mainly reflected on the driving stability.3.Serve the overall effect on the overall efficiency and service China women's volleyball team has no significant difference in Puerto Rico women's volleyball,women's volleyball team Chinese but find someone to serve the efficiency of 17.56%is better than the Puerto Rican women's volleyball for serving the effective rate is 7.14%,for placement of serving scores rate of 8.11%was significantly higher than that of Puerto Rico women's volleyball team scoring rate 1.79%for placement.4.Chinese women's volleyball team to serve for,and find some is better than the Italian national team but slightly high turnovers.Therefore,the Chinese women's volleyball team serve the overall effect is better than the Italian women's volleyball team.5.The United States women's volleyball team overall better serve aggressive than Chinese women's volleyball team,and look for a person to serve higher efficient than Chinese women's volleyball team,mainly for the Chinese women's volleyball team two ace spiker and free serve,effect is obvious.6.No significant difference in the effect Chinese women's volleyball general and Brazil women's volleyball team,the key moment of Liu Xiaotong 'jump serve effect;Brazil women's volleyball team is looking for someone to serve Chinese slightly better,but the link error rate is 8.33%higher than that of Chinese women find someone to serve the error rate of 3.96%;although Chinese women find placement results than Brazil women's volleyball team serve better,but the error rate is high.7.Serbia's women's volleyball offensive serve better than Chinese women's volleyball team,but high turnovers,mainly Serbian women's volleyball team has a team of two jump serving,but the final ball effect was obviously lower than that of the group.Although slight gap compared to serve Chinese women's volleyball team offensive Serbia's women's volleyball team,but the stability of the Chinese women's volleyball team to serve is significantly higher than the Serbian women's volleyball team,and the Chinese women's volleyball team to serve and to find the effect of placement serve women's volleyball team is better in Serbia.Overall effect than Serbia's women's volleyball team to serve Chinese women's volleyball team to stabilizing effect.8.China women's volleyball offensive serve;mainly looking for people to serve and serve for placement is the performance of the ball,volleyball,China find someone to serve the efficiency of 23.26%was significantly higher than the efficiency of 16.11%for placement service to be high,especially obvious in the tactical effect broke serve this link,so China women's volleyball team in the future training the need to serve attack and find increasing placement service. |
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