基于矩阵液晶器件的宽带宽实时光学子波变换系统  

A Wide Bandwidth and Realtime Optical Wavelet Transform SystemBased on a Matrix Addressing Liquid Crystal Device

作　　者：陈维军[1] 陈开泰[1] 吕瑞波[1] 乐永康[1] 

机构地区：[1]复旦大学物理系

出　　处：《中国激光》1998年第6期523-527,共5页Chinese Journal of Lasers

摘　　要：以８ｆ系统单通道频域滤波系统为基础，利用开关电路动态控制两块扭曲向列相场效应矩阵液晶盒的透光范围，并以之为带通滤波器，完成宽带、实时、稳定、灵活的光学子波变换。Based on an 8f single passage filtering system, using a switch circuit to control the pervirs limits of two twisted nematic mode fieldeffected matrix addressing liquid crystal boxes and using them as a bandpass filter, the wide bandwidth, realtime, steady and flexible optical wavelet transform is implemented.

关 键 词：子波变换 单通道滤波 矩阵液晶 开关电路 滤波器 

分 类 号：O753.2[理学—晶体学] TN713[电子电信—电路与系统]