中文说明：旋转机械二维全息谱计算的实用例程，有PMUSIC 校正前和校正后的比较，未来线路预测,分析误差,包括数据分析、绘图等等,语音信号的采集与处理，数字信号处理课设，重要参数的提取。
English Description：
Rotating machinery two-dimensional holographic spectrum calculation of utility routines, correction PMUSIC before and after correction of the comparison, the future line prediction, error analysis, including data analysis, drawing and so on, the acquisition and processing of speech signal, the digital signal processing course design, an important parameter extraction.