The Impact Of Hawkeye-Instant Replay System On Competitive Volleyball And Application Strategy Research

The system has been officially applied to a major international volleyball competition for four years since August 2013,when the world women's volleyball grand prix adopted the Hawk eye-instant replay system.Whether it is the quadrennial Olympic Games or the annual domestic volleyball super league,new things will inevitably bring about a series of influences.The penalty for each ball in the game is not only directly related to the athletes,sports teams' rankings and honors,but also to show the level of the referees' outposts.The system is applied to the sports competition,which makes the game more and more fair,and it is also a "ruler" that reflects the level of the referee.Paper uses the literature material method,observation method,mathematical statistics,comparative analysis,interviews and other research methods,the 2016 Rio DE janeiro Olympic Games men's volleyball final four the semifinals(four games),women's volleyball team(four games),2017,Chinese women's volleyball team champions league tournament,the 2017-2018 season Chinese men,women's volleyball team in the premier league all four games hawk-eye challenge as the research object,classified data statistics and analysis,A total of 21 games,83 games.First,hawk-eye challenge to statistics(total challenge,big challenge,tactical challenges)number,type of challenge,challenge the success rate and failure rate has made the concrete analysis,the main conclusion is: the eagle eye challenge a total of 129 times,the challenge of 52(40.3%),a successful challenge fail 77 times(59.7%).In the challenge type: 50 times in and out of the challenge circle,30 times in the net,43 in the hands,3 times in the back row,2 times in the contact mark,in the serve.Next to the eagle eye challenges after the referee,the performance of the athletes,coaches and fans and spectators and unavailable of hawk-eye challenge system detailed statistics and analysis,the main conclusion is: " Hawk eye--instant playback system" applications,reduce the emergence of the wrong decisions in competitive volleyball,whatever challenge the success or failure,The first goal scoring rate(62.1%)after the challenge was significantly higher than the loss rate(37.9%),The scoring rate was 24.2 percentage points higher than the loss rate,hawk-eye challenge does not affect the continuity ofthe game at the same time,it have increased interest in the game and view and admire a gender.Finally,the present situation and prospect of the system are analyzed.Here are some Suggestions:1.Improve performance,make playback speed faster,more accurate,clearer,cheaper " Hawk eye--instant replay system".At the same time,a set of automatic sensing system is developed,which is placed on the end line and the sideline of the field.When the ball touches the end line or the sideline,it makes a sound cue to help the referee to make a decision.2.Trained the referee,skillfully operated the system and improved the penalty efficiency;3.The coach will improve his teaching level and use the "eagle eye--instant replay system" in the case of the rules.On the basis of ensuring their skill and tactics,the athletes can improve their psychological quality and reduce their interference.The referee should strive to improve his business level and reduce errors in the competition.