一种基于光幕靶速度测量系统的设计及其测量精度的分析  

Design of a Novel Velocity Measuring System Based on Optical Screen Target and Analysis of Measurement Accuracy

作　　者：牛颖蓓[1] 丁成义[1] 任立恒[1] 曾碧能[1] 巨兰[1] 

机构地区：[1]中国电子科技集团公司第二十七研究所,郑州450047

出　　处：《电光系统》2009年第3期12-16,共5页Electronic and Electro-optical Systems

摘　　要：用基于微机PCI总线的A／D采集板实时采集光幕靶的输出信号，采用数字信号处理的方法实现弹丸速度的测量，滤出干扰信号，增加测量可靠性。通过相关试验数据，分析了相应参数对测速精度的影响。A method for measuring the velocity of flying bullet is described, with which the output signal of the optical screen target is acquired in real time with A/D board based on PCI bus. The velocity of bullet is measured with DSP method ,while signal is filtered, to enhance the reliability of the measurement. The influence of relevant parameters on the interference accuracy is analyzed.

关 键 词：光幕靶 数据采集 测量精度 

分 类 号：TP802.2[自动化与计算机技术—检测技术与自动化装置]