自动控制系统仿真实验,其中包括BODE图的分析、系统的超前之后校正等问题。-Automatic control system simulation, including BODE chart analysis, the system ahead of issues such as after the correction.

This the book "Signals and Systems - made ridiculously simple" by J. Karu in djvu file format. It gives an excellent introduction to system theory and covers all related concepts: Continuous-Time Systems, Frequency Domain, Laplace Transform, Continuo