tvarThere 5 files in this directory: lumc.txt lumu.txt tar.m thr_est.m het_test.m readme.txt Make sure they are in the same directory. Set the working place of Matlab as this directory and run tar.m. When the process is finished,

非平稳信号分析与处理,可用于特征提取，将AR模型扩展应用于非平稳时间序列，得到具有时变系数的时变自回归(time-varying autoregressive, TVAR)模型。(nonstationary random signal analysis and processing)