摘要
针对网球训练项目中的技术要求和存在的问题,提出了设计网球自动发射器的想法;介绍了网球自动发射器的基本结构;阐述了网球自动发射器实现发球频率、力量、角度的调整以及实现球的旋转等工作原理;并对该科研产品的性能特点进行了合理的分析。
This article indicated an idea that design automatic emitter of tennis,to require of technique in tennis drilling and having problem;It introduced basal structure of automatic emitter of tennis;It expatiated principle that this machine achieves regulatlng frequency of serving and power and angle,and achieves revolving of tennis;Moreover, it logically scientific research produce. analysed performance feature of the scientific research produce.
出处
《机械设计与制造》
北大核心
2007年第3期105-106,共2页
Machinery Design & Manufacture
关键词
网球
发射器
旋转
发射频率
Tennis ball
Emitter
Revolving
Frequency of serving
