说明：  线性系统状态空间分析（包括分析系统可控，可观性，对系统进行非奇异线性变换，分析系统稳定性，绘制阶跃响应曲线），极点配置
(The state space of the linear system analysis (including analysis system controllability, observability, non-singular linear transformation of the system, the analysis of the stability of the system to draw step response curve), pole placement)