铅球声音信号信息反馈设备的研制与应用

Development and Application of Equipment of Shot Sound Signal's Information Feedback

通过在铅球内部放置电子压力装置的方法,利用非电量测量原理,分析获得的信号。阐述铅球声音信号信息反馈设备研制的设计思想、整体设计与结构,说明铅球内部压力装置、测量电路等工作原理。经过放大、采样、保持、A/D转换,将所获信号输入计算机,通过计算机分析接收的信号,从而测出在推铅球过程中,投掷臂作用于铅球的动力学参数。

Using the method of putting an electronic presure device into a shot and according to the principle of nonelectric measure, it analyzed the acquired signals, set forth the designing thought of the development of shot sound signal device, entire design and structure, and explained the working pfindple of the presure device in shot, testing circuit and so on. After amplification, collecting samples, maintenance and the shift of A/D, the acquired signals were input into a computer and analyzed, thus measuring the dynamic parameters of the action of throwing arm on a shot in the preeess of throwing a shot.