奥本海姆信号与系统(第二版)及习题答案，还有《信号与系统》计算机练习 利用MATLAB 刘树棠翻译-Oppenheim Signals and Systems (second edition), and exercise answers, and " Signals and Systems" computer exercises using MATLAB Liu Shutang translation

这里面是信号与系统实验，比较适合于初学者，内容详细。-This experimental system, which is the signal and, more suitable for beginners and detailed.