基于kaiser窗的双谱线插值FFT谐波分析，在matlab R2009b调试通过，与理论分析结果相比，对信号进行频谱分析及滤波，利用贝叶斯原理估计混合logit模型的参数，包括AHP，因子分析，回归分析，聚类分析。- Dual-line interpolation FFT harmonic analysis kaiser windows, In matlab R2009b debugging through, Compared with the results of theoretical analysis, The signal spectral analysis and filtering, Bayesian parameter estimation principle mixed logit model, Including AHP, factor analysis, regression analysis, cluster analysis.