The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。
The influence of the reflection phase shift and its dispersion on the optical performance of the short-cavity (SC) F-P interferometer was analyzed in details.
以此为基础，较为系统地研究了高反射镜面的反射相移及其色散对短腔长的F-P干涉仪光学性能的影响。
The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.
研究了群色散和非线性频移随频率和薄膜厚度的变化规律。
The longitudinal shift varies with the incidence Angle, and the time delay and the variations in the intensity and the time-width depend on the dispersion of the material.
反射光束的纵向位移量随入射角变化而变化，光束的时间移动、强度和宽度的变化与色散系数有关。
The thin films showed dispersion phase transition at the Curie temperature, which tended to shift to the lower temperature with the increasing Mn content.
介温谱表明在居里温度附近发生弥散型相变，且居里温度有向低温方向漂移的趋势。
A simple method combined Mossbauer dispersion with resonance filter for measuring small energy shift and weak lines was described.
本文描述了一种利用穆斯堡尔色散结合共振过滤的简易方法，直接测量穆斯堡尔谱小能量移位和弱线成份。
When these two directions are not parallel or perpendicular to each other, the dispersion zero-point shows a shift to the transition frequency of the atom.
当这两个方向不平行或垂直时，色散零点相对于原子跃迁频率发生移位。
The depth migration with higher-order approximation by time-shift algorithm eliminates the frequency dispersion and amplitude distortion in the calculation process.
本文使用高阶方程深度偏移方法，并且在计算中采用了一种与差分运算等价的时移法解决了计算中出现的频散和振幅失真问题。
The frequency shift induced by cross-phase modulation (XPM) in dispersion-shifted fiber (DSF) is experimentally studied, then wavelength conversion is achieved through filtering by fiber grating.
对色散位移光纤中交叉相位调制效应导致连续波产生频移进行了实验研究，并用光纤光栅滤波实现了波长转换。
Theoretical analysis and numerical simulation of compression to negative chirp pulse based on dispersion-shift fiber (DSF) using distributed Raman Amplification.
该文对分布式拉曼放大的色散位移光纤（DSF）负啁啾光脉冲压缩进行了理论分析和数值模拟。
Theoretical analysis and numerical simulation of compression to negative chirp pulse based on dispersion-shift fiber (DSF) using distributed Raman Amplification.
该文对分布式拉曼放大的色散位移光纤（DSF）负啁啾光脉冲压缩进行了理论分析和数值模拟。
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