在2011年法国网球地下赛中间球场罗兰加洛斯,第一次升起五星红旗和响起中国国歌,法语毕业论文,这是中国男子网球的一次严重冲破,也是亚洲男子网球发明汗青的第一人。李娜以2:0的比分在决赛中击败敌手斯齐亚沃尼取得法网冠军。李娜的胜利为中国网球事业的成长供给了名贵的财富。从数据统计角度动手,对李娜在2011年法网地下赛(共16盘108局)的录相停止全程统计剖析,法语毕业论文,愿望能为我国网球选手往后竞赛练习及科研有所自创。经由过程录相不雅察法等对李娜在法国网球地下赛7场竞赛的发球阶段、接发球阶段、对峙阶段和全体的技战术运用停止剖析,得出以下结论:1。李娜在发球方面,一发胜利率很高,到达72。4%。落点多变并且精准,能有用的掌握内角和外角的区域,增强防御和敌手预断的难度。然则李娜发球一发均匀时速153。9km/h亻低于七场竞赛敌手的均匀时速159km/h低于四强其她三位选手均匀时速160。3km/h,这也是李娜一发中表现缺乏和有待于在往后的练习、竞赛中进步和增强的部门。2。在接发球方面,李娜一区接第一发球的赢球率比接第二发球要高,在二区李娜接第二发球赢球率要比接第一发球加倍稳固。在七场竞赛中,李娜接一提议伏过年夜,而稳固性是接发球的重点这方面要尤其看重。整体来看,李娜接发球的还有待进步。3。第三拍的统计中,李娜更多的运用了反手,重要缘由是敌手年夜多把接发球回到李娜的反手位。从赢球率上看,李娜的反手54。8%年夜于副手的50。1%,也解释了李娜的反手在防御中的威力和感化。4。第四拍正、反手的运用情形雷同,赢球率方面也解释副手的才能是比拟均匀的,在抵抗敌手防御中可以很好的掩护各个区域。在落所在掌握方面,李娜把更多球还击到右路深区敌手反手的区域。5。在发球局和接发球局的对峙阶段,李娜各项技巧运用率顺次是副手、反手、截击、削球,解释李娜在对峙进程中是以底线防御为主。在赢球率方面,副手略高于反手,解释李娜的副手技巧在网球根本技巧中尤其主要。网前截击运用很低,这也和红土场地有关,但李娜的较高网前赢球率解释李娜具有很强的往前才能。 Abstract: In 2011 the French tennis open in the middle of the stadium Roland Garros, first rising five-star red flag and sounded the Chinese national anthem, this is Chinese man tennis a serious break is Asian men's tennis invention history the first person. Li Na with a 2:0 win in the final beat J Zia Voni won the French Open champion. Li Na's victory for the development of China's tennis industry has provided valuable wealth. From the viewpoint of data statistics hands of Li Na in the 2011 French Open underground race (a total of 16 disc 108 Bureau) of video stop full statistical analysis, in hopes for China tennis players race back to practice and research has been created. Through process video indecent observes the law of Li Na in the French tennis underground race 7 games service stage, the receiving phase, confrontation stage and all of the technical and tactical application analysis, draw the following conclusions: 1. Li Na in the service, a high interest rate, to reach 72. 4%. The placement of changeable and accurate, can be useful to master the inside and outside corners of the region, increase the difficulty and the enemy defense prejudge. What, then Li Na serve a uniform speed of 153. 9km/h aged below seven race rival uniform speed of 159km/h below four her three players uniform speed of 160. 3km/h, this is also a lack of performance in the Li Na and to be in the future practice, competition and enhance the progress of the department. 2. In terms of reception, Li Na one area of the first serve to win the rate is higher than the second serve, in the two district Li Na received second serve win rate than the first serve to double solid. In the seven game, Li Na received a proposal over the eve of the volt, and stability is the focus of the ground in this regard should be especially important. On the whole, Li Na is still waiting to be improved. 3. In the third film of the statistics, Li more application the backhand, important reason is the adversary Eve to receiving back to Li Na's backhand. From the win rate, Li Na's backhand 54. 8% or more than 50 of the deputies. 1%, explains Li Na's backhand in the defense of power and influence. 4. Fourth beats forehand and backhand application is similar, winning rate also explain to deputy is relatively uniform, in against the enemy defense can be a good cover of each region. In the fall of master, Li Na put more back the ball to the right deep backhand regional rivals. 5. In Serving Bureau and then serve the confrontation stage, Li the skills of application rate of sequential is deputy, backhand, volley, slice, Li Na in the confrontation in the process is to defend the bottom line, mainly. In the winning rate, slightly higher than the Deputy backhand, explains Li Na's deputy main basic skills in tennis skills especially in. Volley at the net application is very low, this is also related to the clay courts, but Li Na higher win rate explained Li Na has a strong forward to. 目录: |