| with the coming of Tokyo Olympic Games in 2020,countries all over the world are paying attention to and actively preparing for the games.Track and field is the gold medal of the Olympic Games and an important event reflecting the level of a country's competitive strength.In recent years,China's track and field has developed rapidly.Two consecutive Olympic Games have shown a high level of strength.Some sports have the strength to win gold and silver in international competitions.This paper uses literature,logic and mathematical statistics to study the performance of China's track and field events in previous Olympic Games.Combined with the track and field events in preparation for the Tokyo Olympic Games cycle,China's track and field events have shown a high level of strength The performance of athletes in the domestic and foreign competitions analyzes the current strength level of China's track and field.At the same time,the gray prediction method is used to scientifically predict the top three men's and women's track and field events in Tokyo Olympic Games,and the strength reserve of China's track and field events in preparation for the Tokyo Olympic Games is theoretically obtained.Through the research,we get the following conclusions:1.The development of our country's track and field sports competitive strength shows the trend of gradual improvement,showing the characteristics of "single breakthrough,driving comprehensive,rapid progress of men's sprint,stable advantages of women's throwing events,and gradually forming new advantage groups".2.Compared with the first group,the comprehensive strength of China's track and field events is still far behind.At present,the overall strength of China's track and field events is steadily increasing,but there is still a large gap to compete with other world track and field powers.At present,China's track and field events have formed a good trend of mutual coordination and simultaneous rise,but only exist in the advantageous events,"star selection" To some extent,the present situation of "hand winning" restricts the development of track and field in China.3.China's track and field in the preparation for the Tokyo Olympic Games showed relatively ideal results: the advantages of traditional advantage projects are still obvious as a whole,and non-traditional advantage projects are ready to develop;men's events are achieving new breakthroughs,and women's events are also showing a steady upward trend.However,in the late stage of preparing for the Tokyo Olympic Games,the overall strength level has declined.The exertion of competitive strength and the adjustment of competitive state should be the important content of the next stage.4.Based on the analysis of the results of grey prediction calculation,at present,the events that China's track and field has the strength of "winning gold and silver" in the Tokyo Olympic Games are: Men's 200 m,men's marathon,men's 50 kilometres race walk,women's shot put,women's hammer throw,women's javelin,women's 20 kilometres race walk;at the same time,it is possible to be myself in the events of men's high jump,men's long jump,men's triple jump and women's pole vault China's track and field "building blocks and building blocks",which may be a new advantage group gradually formed in China and can achieve a breakthrough in the Tokyo Olympic Games.Suggestions:1.Recognizing the new pattern of world track and field development,we should not only take advantage in Asia,but also encourage our track and field to rush out of Asia and go to the world.At the same time,we should train the successors of the traditional advantage events of track and field in our country,formulate scientific and reasonable training mode,and form the current situation of the synchronous development of echelon.2.In the Tokyo Olympic Games,we should grasp the key events,adjust the potential advantage events,encourage the weak events,and strive to achieve a new breakthrough in China's track and field career in the Tokyo Olympic Games. |
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