阶系统的阶跃响应 二 求+6x+25x=1+25u,x(0)=1,x(0)=-3 School of Mechanical Engineering ME369-Lecture 3.2 Shanghai Jiao Tong University Fall 2015 阶系统的阶跃响应（续） School of Mechanical Engineering ME369-Lecture 3.2 Shanghai Jiao Tong University Fall 2015 44 BE315-Lecture 3.3 Fall 2011 ME369 Lecture 3.2 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University x x x u u x x        6 25 25 , (0) 1, (0) 3 二阶系统的阶跃响应 BE315-Lecture 3.3 Fall 2011 ME369 Lecture 3.2 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 二阶系统的阶跃响应(续)