Incoherently coupled dark-dark , bright-bright and bright-dark screening soliton pairs in centrosymmetric photorefractive crystals are possible due photorefractive effect.
预言了亮-亮，暗-暗和亮-暗非相干耦合空间孤子对可存在于中心对称光折变介质中。
This paper analyses the concept of OTF in sampled imaging system, discusses the problem incoherently coupled with OTF of lens and describes a new method for measuring MTF of CCD.
本文分析了抽样成像系统的OTF，并讨论了与透镜otf的非相干耦合问题，同时提出了一种新的测量CCD的MTF的方法。
This paper analyses the concept of OTF in sampled imaging system, discusses the problem incoherently coupled with OTF of lens and describes a new method for measuring MTF of CCD.
本文分析了抽样成像系统的OTF，并讨论了与透镜otf的非相干耦合问题，同时提出了一种新的测量CCD的MTF的方法。
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