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本文在小波包分析的基础之上，实现了适合于一维信号分析的小波包分解算法，并将小波包分析理论和参数模型有机地结合了起来，构造出了小波包参数模型。利用小波包参数模型可以用来计算信号的AR谱和AR谱谱阵，对模拟信号的计算结果表明，小波包AR谱谱阵具有很高的时频分辨率，并且对信号的快变成分及微弱成分具有较高的检测能力．．
Based on the wavelet packet analysis, this paper implements the wavelet packet decomposition algorithm which is suitable for one-dimensional signal analysis. The wavelet packet analysis theory and parameter model are combined organically to construct the wavelet packet parameter model. The wavelet package parameter model can be used to calculate the AR spectrum and the AR spectral array. The simulation results show that the wavelet packet AR spectral array has high time-frequency resolution, and the fast component of the signal And weak components with high detection capability. .