|
CBA is the highest level of basketball league in China, brought together the nation's elite basketball. Basketball World Championship basketball tournament of the world's highest level, countries compete with each other to show the character and strength of the national basketball arena, on behalf of the true meaning and the development trend of modern basketball. In this paper, the use of literature, principal component analysis and neural network theory offensive and defensive teams and players to participate in the 2005-CBA Professional League and the 15th men's basketball World Championship performance evaluation, and select the corresponding outstanding group comparative analysis to explore the differences in offensive and defensive ability of the of CBA players with good players in the world to improve the quality of CBA league and the level of the Chinese men's basketball, preparing for the 2008 Beijing Olympic Games reference. In the study, based on the following conclusions: 1. Based on principal component analysis of the self-organizing competition network to participate in the 2005-CBA Professional League and the 15th men's basketball World Championship team, the players achieve a more accurate classification, evaluation results are consistent with the law of the game and basketball game , operable. 2. CBA excellent team's offensive and defensive performance characterized by: high score and lose points compared to the outstanding team of the 15th Men's Basketball World Championship, strong defensive attack the weak, offensive and uneven; player in the fight against the use of technology is not clever enough, inside and outside of the lack of convergence; relatively weak sense of snatching a rebound, assists and shot-blocking ability is poor, many mistakes; lower levels of defense, the performance of the opponent's score, field goal percentage and free throw percentage. 3. Offensive performance gap between the the CBA Team and the 15th men's basketball World Championship good team is mainly reflected in the assists, the difference is significant, but the number of shooting, the total number of shots hit rate, free throw rate is higher than the first excellent session of the 15th men's basketball World Championship team, the difference is highly significant. 4. CBA good team averaged lose points was significantly higher than the outstanding team of the 15th Men's Basketball World Championship, the difference was extremely significant; foul than the 15th men's basketball World Championship team from the defensive performance, and the number of blocks is less than The excellent 15th Men's Basketball World Championship team, showed a significant difference. 5. The CBA position players offensive and defensive performance characteristics: center in rebounds, blocked shots, free throws on the ability to highlight, but the foul, the more mistakes; striker score, shots, free throw attempts, steals indicators are more prominent role; guard assists, steals the role of poor ability to score, integrated role in the team is relatively low compared to the 15th men's basketball World Championship defender. 6. CBA excellent offensive and defensive center in the league is greater than the outstanding center of the 15th Men's Basketball World Championship, which is reflected in the high score, the number of shooting, shooting, free throws, steals, free throw attempts, and its hit rate rebound indicators, but foul, more mistakes, poor shot-blocking ability. 7. Compared with the 15th men's basketball World Championship Elite Guard, CBA Elite Guard multi-faceted gap exists in the physical, technical and tactical ability, basketball awareness, the overall level is lower, the difference is mainly reflected in the mistakes, the 3-point shooting , the number of free throws, the total number of free throws, defensive rebounds, steals, assists, fouls. 8. CBA excellent striker and the 15th men's basketball World Championships excellent striker of difference in steals, score, shot hit number and other indicators, which steals index difference is very significant with, number of shooting, score two indicators of differences in height significant, mistakes, foul shots, free throws made, free throw attempts and free throw percentage difference significantly above indexes were higher than the CBA Outstanding Forward outstanding forward of the 15th Men's Basketball World Championship. 9. Self-organizing competition network has a good classification function, but there are some flaws in the application process, there is no clear evaluation indicators such as the determination of the number of network training, the learning rate selection contradiction exists between the network convergence speed and stability, you need to In future studies to solve.
|