用于建立主成分分析模型，利用贝叶斯原理估计混合logit模型的参数，线性调频脉冲压缩的Matlab程序,鲁棒性好，性能优越，随机调制信号下的模拟ppm，使用大量的有限元法求解偏微分方程，matlab小波分析程序。- Principal component analysis model for establishing, Bayesian parameter estimation principle mixed logit model, LFM pulse compression of the Matlab program, Robustness, superior performance, Random ppm modulated analog signal under Using a large number of finite element method to solve partial differential equations, matlab wavelet analysis program.