Y(s)=R(s)*G(s)/枣茄汪烂(1+G(s))=(1/s)*(10/凳陵察(s+20))=(0.5/s)-(0.5/(s+20))y(t)=0.5-0.5e^(-20t)
大学的吗………
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Y(s)=R(s)*G(s)/(1+G(s))=(1/s)*(10/(s+20))=(0.5/s)-(0.5/(s+20))