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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 Realtime Optical Wavelet Transform SystemBased on a Matrix Addressing Liquid Crystal Device
【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。
【Abstract】 Based on an 8f single passage filtering system, using a switch circuit to control the pervirs limits of two twisted nematic mode fieldeffected matrix addressing liquid crystal boxes and using them as a bandpass filter, the wide bandwidth, realtime, 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;
【Key words】 wavelet; single passage filtering; matrix addressing liquid crystal device; switch circuit;
【Key words】 wavelet; single passage filtering; matrix addressing liquid crystal device; switch circuit;
- 【文献出处】 中国激光 ,CHINESE JOURNAL OF LASERS , 编辑部邮箱 ,1998年06期
- 【分类号】TN713,O753.2
- 【下载频次】16