【摘要】 对比几种测量转速的装置,着重介绍红外线技术进行测速的方法.文中对电路进行了简单讲解,对于理论计算给予详细过程并附带了部分程序.文中介绍装置主要针对用于篮球定位投篮训练中,训练球员手感,提高投篮命中率,以达到获胜的目的.更多还原

【Abstract】 In this paper,several measurement speed device are compared,the infrared technology is emphasized.There is simple explanation of the circuit and theoretical calculation with detailed process,it also carries a part program.The device is used to train basketball shooting mainly aimed at training players feel,in order to improve the shooting and achieve winning.更多还原