LIN Hao-liang1,LIU Nan-sheng1,QIAN Bing-feng2,WEI Sheng1(1.College of Science,Nanchang University,Nanchang 330031,China;2.College of Mechanical and Electronic Engineening,Nanchang University,Nanchang 330031,China)
Abstract:The characteristic of the distribution of the background light and the deformed grating patterns are analyzed,and the corresponding spatial spectrum filter is designed.The computer simulation proves that the band-pass filter with the Blackman-marginal-dis