色散能够改变混沌信号每个频谱分量相位，但不影响混沌信号频谱形状；
The dispersion can change the phase of frequency spectrum component of the chaotic signal, however, it cannot affect the spectrum shape of the chaotic signal.
频谱法和周长-面积法都适用于分析幼树斑块形状的分形特征。
Both frequency-power spectrum method and perimeter-area method are suitable for the analysis of fractal characteristics of sapling patch shape.
并进一步提出通过四种基本形的光散射谱去表征颗粒的形状分布，这种表征方法可采用频谱分析来分析颗粒的形状分布。
Four basic shapes are used to describe the particle shape distribution in this paper, and the spectral analysis can give this shape distribution.
应用推荐