Abstract. According to the principle of "eagle eye", assuming that in the absence of the wind and air density uniform, tennis because of deformation produced by hitting, accurate to tennis in flight by gravity, air resistance, the tennis movement into the vertical direction and horizontal direction. Solution can be obtained using the ideas of calculus, thus draws the tennis range, fall to the ground, placement time and location. Increase the rotation of the tennis, according to the formula of sports biomechanics, the pressure difference to produce in vertical direction of the velocity and angular velocity magnus force, solving the stead yunus force coefficient, through the best tennis in the vertical direction of the time needed for higher level computation, model are described in detail in tennis trajectories of the rotating cases and placement, and intuitive simulation diagram of the flying track.
Abstract. In recent years, drift, ski, golf and other series of sports tourism modes have gradually organized. As people's request on spiritual life increases, sports tourism has been developed to a certain degree. The paper takes ski sports tourism as an example to study on Chinese sports tourism future status. Relying on grey model, it proceeds with ultimate ratio verification on original data, and adjusts original data, thereupon, establishes relationships between sports tourism development status and time. Sports tourism development status is reflected by ski resorts amount and number of people that participates in ski these two aspects, therefore establishes two kinds of mathematical models.
Abstract. This article USES the automatic identification of human body joint point in the process of sports science algorithm, as a key point to discuss, in order to more realistic three-dimensional reconstruction basis of science. Through the body's automatic identification of the key software implementation process research, and in this paper, the image processing model to reconstruct the human body model according to the proportion principle in the late. Using camera measurement instruments and scientific measurement method, provides effective scientific data collection. Research results, to determine the link of 15 and 21 key points of the body, and gives the mathematical model of each joint point determined to establish the discriminate model of special circumstances, are visible side joint point enter human body contour line, invisible side joint point of shade and hands on hip to determine the influence of processing method.
Abstract. Sports culture demand continues to increase, to the reasonable development, it is necessary to establish the development system of comprehensive evaluation on the system. In this paper, the fuzzy mathematics method is applied to China's new urbanization of small and medium-sized town sports culture development strategy has carried on the comprehensive evaluation, which for the determination of weight, also adopted the method of analytic hierarchy process (ahp) to determine the impact factors, and through the inspection of mathematical statistics, finally reached a conclusion that China's new urban sports culture development strategy of urbanization level of evaluation for good, proved that China's new urbanization of small and medium-sized town sports culture development strategy generally applaud but still exist deficiencies, needs further perfection and development of the society from all walks of life.
Abstract. In the era of economic globalization, industry integration trend becomes more obvious, industry integration phenomenon raises new topics to industry classification and industrial organizational theory, and meanwhile it also raises new problems and challenge to government formulated relevant industrial regulation and policies. In sports industry and tourist industry integrative development, government role positioning is crucial. By literature research method, interdisciplinary research method and other methods, it collects relevant information about sports industry and tourist industry integration, as well as government respective published relevant policies and reform system for sports industry and tourist industry in development procedure. The paper mainly researches delimitation of sports tourism concept, delimitation of industrial integration concept, governmental regulation and role positioning definition, analyzes recent years sports industry and tourist industry development trends, governmental regulation reform's impact on the two integrative development and positioning of government role. Analysis result shows that due to tourism and sports coupling in essence, Chinese tourist industry and sports industry convergent trends become more and more obvious, but the two will appear conflicts in integrative process due to rule, resources and benefit distribution differences. Therefore, only regulate effective government supportive policy then can propel to sports and tourist industry integration further improvement, and accurately seize governmental regulation changes rules and features, formulate regulation systems with rationality, forward looking and scientificity to provide feasible schemes for sports industry and tourist industry sustainable development.
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