首页>
外国专利>
Method of and system for determining position of tennis ball relative to tennis court, and tennis ball provided therefor
Method of and system for determining position of tennis ball relative to tennis court, and tennis ball provided therefor
展开▼
机译:确定网球相对于网球场的位置的方法和系统以及为此提供的网球
展开▼
页面导航
摘要
著录项
相似文献
摘要
A tennis ball is provided with a radar signal reflecting element, so that during a tennis game a radar sends a signal to the tennis ball and receives a reflected signal which is compared by a computer with a stored position of a tennis court to determine a position of the tennis ball relative to the tennis court.
展开▼