The characteristic frequency of body-wave spectra carries the information of the duration of source body-wave pulse.

体波波谱特征频率携带着震源体波脉冲持续时间的信息。

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A numerical algorithm is set up for the retrieval of optical turbulence spectrum from high-frequency temporal spectra of a light wave propagating through a turbulent atmosphere.

建立了一种数值算法，从光波在湍流大气中传播的闪烁时间频谱的高频特征反演大气光学湍流谱。

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Currently, the traditional wave fitting processes makes the frequency of non-stationary greatly weaken, which oriented towards the goal of of response spectra for the intensity non-stationary fitting.

地震动时程记录是一个明显的非平稳过程，不仅体现在时程幅值强度分布上，更体现在各频率成分上。

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