
浏览全部资源
扫码关注微信
中北大学电子测试技术国家重点实验室
纸质出版:2008
移动端阅览
姜三平. 基于小波的激光测速靶的信号分析[J]. 中北大学学报(自然科学版), 2008,(2):185-188.
姜三平. Signal Analysis of Laser Screen System Using Wavelet[J]. 2008, (2): 185-188.
激光靶是一种子弹发射速度测量系统
它根据子弹穿过两个靶面的时间间隔以及两靶间的距离算出子弹的平均速度.介绍了一种应用小波变换分析激光靶过靶信号的算法
该算法从大尺度到小尺度沿着模极大线确定信号奇异点的位置
从而判断出子弹的过靶时刻.由于在大尺度上噪声的小波变换系数的幅值比信号的小波变换系数的幅值小
该算法能有效抑制噪声的影响.实验结果表明:应用小波分析激光靶的信号提高了测量的精度和可靠性.
Laser screen is a velocity measurement system for projected bullets.The average velocity is worked out based on the time during which the bullet passes through two screens and the distance between the two screens.An algorithm for processing the signal of the laswr screen system using wavelet was introduced.Searching along wavelet transform maxima lines from large scale to small scale the singularity point of the signal was discriminated.So the time of the bullet passing through the target was obtained.Because the amplitude of wavelet coefficients of noise was smaller than that of the signal
the influence of noise could be decreased.Experimental results show that the proposed algorithm makes measurement more precise and reliable.
何云峰,王昌明,孔德仁.线圈靶动态特性分析与补偿[J].传感器技术,2005,24(1):9-11.He Yunfeng,Wang Changming,Kong Deren.Dynamic characteristic analysis and compensation of inductive coil[J].Journal of Transducer Technology,2005,24(1):9-11.(in Chinese)
江铭,李翰山,孙洹,等.天幕靶光学系统性能分析[J].西安工业大学学报,2006,26(2):127-130.Jiang Ming,Li Hanshan,Sun Huan,et al.Analysis to optical system performance of the sky screens[J].Journal ofXi'an Technological University,2006,26(2):127-130.(in Chinese)
赵冬娥,周汉昌.一种新颖的激光光幕弹丸测速装置[J].兵工学报,2001,22(6):81-84.Zhao Donge,Zhou Hanchang.A novel laser screen measuring system for projectiles[J].ACTA Armamentarii,2001,22(6):81-84.(in Chinese)
喻俊志,王高,赵冬娥.激光测速靶结构优化的光路分析[J].测试技术学报,2001,15(1):1-5.Yu Junzhi,Wang Gao,Zhao Donge.Optical path analysis on structure optimization of laser screen system forprojectile velocity measurement[J].Journal of Test and Measurement of Technique,2001,15(1):1-5.(in Chinese)
赵冬娥,周汉昌.原向反射式激光光幕测速技术研究[J].中北大学学报(自然科学版),2005,26(5):432-435.Zhao Donge,Zhou Hanchang.Research on laser screen technology with retroreflector for velocity measurement[J].Journal of North University of China(Natural Science Edition),2005,26(5):432-435.(in Chinese)
苏尚恩,李智中,王艳红,等.激光靶光电探测系统优化设计[J].中北大学学报(自然科学版),2006,27(4):352-356.Su Shangen,Li Zhizhong,Wang Yanhong,et al.Optimized design of photoelectric detecting system in laser screen[J].Journal of North University of China(Natural Science Edition),2006,27(4):352-356.(in Chinese)
Mallat S.A Wavelet Tour of Signal Processing[M].2nd,Academic Press,1999:177-178.
Mallat S,Hwang W L.Singularity detection and processing with wavelets[J].IEEE Transactions on InformationTheory,1992,38:617-643.
0
浏览量
140
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构
京公网安备11010802024621