摘要
应用泰曼-格林干涉仪测量步进电机控制下光学平移装置行进时的横向漂移,鉴于步进装置行进时的震动和它引起的探头抖动干扰,提出一种基于小波变换滤波的条纹细分技术,以利于信号识别和精确测量.
While controlling by a stepping-motor driver, the optic-moving stage is shifting along its axis and the transversal variation can be measured using a Twyman-Green interferometer, owing to the vibration of the apparatus on moving that yields disturbance to the detector, a technique to phase-step division of fringes based on wavelet transform filtering is used here to facilitate signal recognition and precise measurement.
出处
《大学物理》
北大核心
2005年第5期46-49,共4页
College Physics
关键词
漂移
干涉条纹
小波变换
variation
interference fringes
wavelet transform
