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The Study of Transfer Performance of Scanning Imaging Spectrum System in Sampling Direction Described by Contrast Transfer Function |
HUANG Xiaoxian |
(Shanghai Institute of Technical Physics,The Chinese Academy of Sciences,Shanghai 200083) |
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Abstract Characteristic matrix of multi-detector imaging spectrum system in its spacial sampling direction is derived firstly from the LSF of one-detector system by numerical calculation,using it we can obtain the output of system under known sine wave input,it is also proved that there exists no MTF in this direction of the system,but the contrast transfer function will reflect the transfer performance of system to sine signals with different periods well.
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Received: 07 April 1997
Published: 06 February 2012
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1〔美〕劳埃德J M.热红外系统.尹白云,戴传蘅译.北京:国防工业出版社,1981.83.
2 赵荣椿.数字图像处理导论.西安:西北工业大学出版社,1995.107. |
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