pls和pca用于案例分析，有结果和使用方法。-pls and pca for the case studies, the outcome and use.

直接读取振动噪声分析软件bk pulse文件，将测试组和函数组导出来，方便对测试数据进行后处理-his GUI runs Pulse Labshop in the backround (not visible) through an activex server. Exporting measurements using B&K Pulse s software is extremely tedious, requiring much mouse-clicking (setting measur