Analysis On The Technical And Tactical Application Of Different Sites In Federer's Professional Period

From 2003 to 2017,Federer in the Grand Slam tournament,the 25 time to enter the finals,won the 18 Grand Slam champion.And from 2004 to 2007 for 4 consecutive years ranked first in the world.Both his technique and tactics are relatively comprehensive today's tennis athletes,the advanced idea and model is also worth learning in the world.In the Federer campaign year occupation tennis with age,strong dominance has been affected.The object of this research is from the first Grand Slam arena since Federer,the change of technology and tactics.Research on the technical characteristics of longitudinal changes of Federer,that the specific technical and tactical characteristics of the championship,at the same time through the analysis to the process of occupation competitive tennis athletes in our country to provide some help to the theoretical basis and excellent technical and tactical characteristics.This paper uses the method of literature,video statistics,logic analysis and mathematical statistics,from different site effect hard,grass,clay on the whole Federer tactics,and study the relationship between the three different research field of underground athletes' service technology,zhengfanshou technology and various basic techniques and tactics the use of the spatial characteristics.Since 2003,we have divided the whole career of Federer into three periods: the early stage of his career,the peak of his career,and the end of his career.1.In the occupation career Federer comprehensive,no obvious technical weakness,and each technology can become a tool of the whole technology and his scoring scoring rate had little difference,so that Federer is a member of the tennis movement belongs to the comprehensive type of play.2.From hard,grass,clay Federer took up to eighteenth Grand Slam titles and a plurality of masters,tour champion,his technical ability does not appear,the technical score rate did not decline,but appears as "the peak point of V,the main reason is that the decline in the growth of the age,physical fitness,leading to decline in the overall level.At the same time,through the regulation of the body,technical and tactical adjustments to Federer's technical and tactical play to another height.3.Excellent service technology is Federer win the game a strong confidence.From the occupation career of Federer in his serve and often choose to serve changeable placement,a side rotary angle or flat serve his opponent out often site,so as to create scoring opportunities and serve it.4.Occupation career early Federer in different venues on the technical and tactical characteristics: Federer in the success rate,the data points serve is relatively stable,in the red earth is too large,but hard and grass data value difference.On the other hand a single technology to ensure their own forehand scoring ability and emergency handling the ball,from the tactical space due to energetic and strong pace of adjustment block baseline so the whole ball placement in the two singles sidelines.5.The cost of career peak Federer in different venues on the technical and tactical characteristics: as a result of injuries affecting the service rate,the success rate of Federer has declined,but still can become a scoring weapon.The use of the technical data in the space is slightly adjusted for active Internet and tactical side hit winners.The technical and tactical characteristics in different venues on the 6,the late Federer occupation career: Federer through the season and the adjustment of the data to strengthen the physical rehabilitation training makes the serve technology upgrade again,the technology itself is also on the rise,decline in the growth of the age of physical forcing Federer to strengthen the forehand attack by simplified game,active Internet or play small slash to win the game.