中文说明：语音信号的采集与处理，数字信号处理课设，包括面积、周长、矩形度、伸长度，基于kaiser窗的双谱线插值FFT谐波分析，利用贝叶斯原理估计混合logit模型的参数，isodata 迭代自组织的数据分析，旋转机械二维全息谱计算。
English Description：
Acquisition and processing of the speech signal, digital signal processing course, including area, perimeter, rectangular, elongation, Kaiser Windows based dual spectral lines interpolation FFT of harmonic analysis, using Bayesian principles to estimate parameters of the mixed logit model, analysis of isodata iterative self organizing data, calculated two-dimensional holospectrum in rotating machinery.