要得到折射率为- 1的情况，则入射光归一化频率越小，光子晶体的波导宽度要相应越大。
To obtain refractive index of -1 decreasing the incident light frequency and enlarging the waveguide width are both necessary.
测量了拉制成的有孔光纤的数值孔径和归一化频率等传输参数，并基于有效折射率方法与理论值进行了比较。
Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.
更复杂的方法，比如频率加权和频率归一化，超出了本文范畴。
More complex methods such as frequency weighting and frequency normalization go beyond the scope of this article.
定义了归一化固有频率，并且分别分析了拉索损伤位置和损伤程度对归一化固有频率的影响。
By defining a normalized natural frequency, one may find the location and extent of cable damage with respect to the changes on the normalized nature frequency.
例如，对均匀光纤，计算出的所有导模的归一化截止频率值的相对误差为10 ~ (-3)10 ~ (- 5)。
For example, for a homogeneous optical fiber the computed relative error of normalized cutoff frequency for all guide-mode are between 10 ~ (-3) and 10 ~ (-5).
本文用等效介电常数法计算了镜象波导各模式的归一化截止频率，给出了通用的模式图。
The normalized cut-off frequencies of Epqy and Epqx modes for image waveguide arc investigated by EDC method. A generalized mode chart for image waveguide is given.
给出了吸收谱线在不同中心频率、不同谱线宽度情况下，归一化信号S与布里渊频移 之间的函数图。
The resulting signals ratio S is plotted in a series of figures under different center frequencies and different widths of the absorption lines.
二次谐波可使谐振腔归一化阻抗发生变化，导致强声发生器频率响应曲线失真；
The second-order harmonic can change the Normalized Impedance of the resonance cavity, and cause the distortion of Frequency Response;
大量的仿真结果表明，三个分集结合适当的频率变化，降低了误码率的命令时，归一化多普勒扩展是大于0.3。
Extensive simulations show that combining three diversity branches with proper frequency shifts reduces BER by an order when the normalized Doppler spread is larger than 0.3.
大量的仿真结果表明，三个分集结合适当的频率变化，降低了误码率的命令时，归一化多普勒扩展是大于0.3。
Extensive simulations show that combining three diversity branches with proper frequency shifts reduces BER by an order when the normalized Doppler spread is larger than 0.3.
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