A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.
本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件，获得可变焦长的菲涅耳透镜，以及该元件在光学成像系统中的应用。
The phase-space finite element method is applied to the multigroup neutron transport equation in cylindrical critical systems.
本文采用相空间有限元方法求解了柱形临界多群中子输运问题。
Generally if a target is to be simulated by a 3-element antenna array in the limited space of a laboratory, inhomogeneity to some extent of the amplitude and the phase will occur.
要在实验室有限空间内用三元天线阵列模拟目标，就得承受一定的幅度和相位不均匀性。
Generally if a target is to be simulated by a 3-element antenna array in the limited space of a laboratory, inhomogeneity to some extent of the amplitude and the phase will occur.
要在实验室有限空间内用三元天线阵列模拟目标，就得承受一定的幅度和相位不均匀性。
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