Table tennis changes to movement trajectory influence research based on fuzzy comprehensive evaluation and differential equation

Shanshan Li; Yong Li; Chao Yang

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Table tennis changes to movement trajectory influence research based on fuzzy comprehensive evaluation and differential equation

机译：基于模糊综合评价和微分方程的乒乓球运动轨迹变化影响研究

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The paper firstlymakes force analysis of table tennis when lifting the ball, and according to moment of momentum theorem, it gets rotational speed and diameter inverse ratio relations; then it makes force analysis of air movement table tennis, and gets kinematic equation.After diameter getting big, ball speed and rotational speed get small, and ballmovement time gets long, let opponent probability of receiving the ball and fighting back increase. And establish analytic hierarchy process and fuzzy comprehensive evaluation test model to test. It concludes that big ball promotes competition appreciation relative to small ball, but players??? competition experiences reduce.

机译：本文首先对乒乓球抬球时的力进行分析，并根据动量定理求出旋转速度与直径反比关系。然后对空气运动的乒乓球进行力分析，得出运动学方程。直径增大后，球的速度和旋转速度变小，球的运动时间变长，则使对手接球和反击的概率增加。并建立层次分析法和模糊综合评价测试模型进行测试。结论是，相对于小球，大球能促进比赛欣赏，但是球员？？？比赛经验减少。

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《BioTechnology: An Indian Journal》 |2014年第5期|共8页
作者
Shanshan Li; Yong Li; Chao Yang;
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中图分类生物工程学（生物技术）;
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Table tennis diameterDifferential equationAnalytic hierarchy processFuzzy comprehensive evaluation;

机译：乒乓球直径微分方程层次分析法模糊综合评价;

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Table tennis changes to movement trajectory influence research based on fuzzy comprehensive evaluation and differential equation

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