平衡实现法（BR）对时域信号进行分析的过程，属于模态识别中的时域法-Balanced realization (BR) on the time-domain signal analysis and time domain method in the modal identification

一套关于时域分析的matlab,带详细注释,不错的源码 很好-A set of time domain analysis of matlab, with detailed notes, a good source is very good