By means of auto-correlation and spectrum analysis, we discuss in detail some physical mechanisms of the flows.

通过自相关与谱分析的方法，详细地讨论了这种流动的一些物理机制。

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At last, making use of the plotting function of MATLAB, the paper carries out simulation analysis from three aspects: auto-correlation function, spectrum and fuzzy function.

最后，利用M atlab软件的作图功能，从自相关函数、频谱函数和模糊函数三个方面对M波形的性能进行了仿真分析。

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This paper develops a new method to evaluate air velocity in air conditioned room by means of frequency spectrum analysis and correlation analysis based on random process theory, With this method.

本文以随机过程理论为依据，用频谱分析和相关分析为手段，提供了一个评价空调房间气流速度的新方法。

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