• An simple analytical computation formula is given for field signature of the shims to predict the field and phase perturbation according the shim position, size, thickness and magnet gap.

    给出了波荡器垫补修正简单解析计算,可根据垫片位置大小厚度、磁极间隙等参数直接计算出对磁场位相的修正。

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  • The structure function of residual wavefront phase perturbation compensated by an adaptive optics system has been derived by means of frozen turbulence hypothesis and geometric optics approach.

    采用冻结湍流假设几何光学近似条件下,得到适应光学系统校正后的剩余相位扰动结构函数

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  • The effects of the sliding-frequency guiding filters on reducing soliton phase jitter were theoretically studied by perturbation theory.

    采用微扰法,分析了滤波器抑制孤子相位抖动

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  • The perturbation of symmetries and adiabatic invariants of discrete mechanical systems in the phase space are studied.

    研究空间离散力学系统对称性摄动绝热不变量

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  • By the aid of the phase shift-frequency characteristic, the conformal transformation and the perturbation theory, a new kind of compact, broadband waveguide phase shifter is developed.

    借助-频率特性变换理论,研制出了新型宽带移相

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  • The saturated rock is taken as a solid-liquid two-phase medium. Perturbation method is used to analyze the stability conditions.

    饱和岩石视为固液两相介质小扰动方法进行稳定性分析

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  • This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.

    重点讨论扰动是正弦函数形式时,耦合强度频率初始相位差对光孤子传播影响

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  • This paper focuses on the perturbation which takes the sine form. The effect of amplitude, frequency, wave number, and initial phase difference on the propagation of optical soliton is investigated.

    重点讨论扰动是正弦函数形式时,耦合强度频率初始相位差对光孤子传播影响

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