提取特征（180个数据）建立分析器，然后测试（15个数据）-Extracted features (180 data) to establish Analyzer, and then testing (15 data)

PFC电路仿真，分析器各个工作模态和各种关键波形-PFCModal, and a variety of key waveforms of the PFC circuit simulation, analyzer work

聚类树的matlab软件包。层次聚类分析器。-ClusTree is a GUI Matlab tool that: Enables an easy and intuitive way to cluster, analyze and compare some hierarchical clustering methods Consists of a two-step wizard that wraps some basic Matlab clustering methods an

matlab实现的麦克风FFT频谱分析器，寻峰得基频。-matlab achieved microphone FFT spectrum analyzer, peak searching was fundamental frequency.