根据下面方块图写出传递函数式,正确的表达式是()。

<img src='https://img2.soutiyun.com/shangxueba/ask/19050001-19053000/19051290/2015012218152049481.jpg' /> A.G(S)=G1(S)+G2(S)+G3(S) B. G(S)=G1(S)G2(S)G3(S) C. G(S)=G1(S)+G2(S)+G3(S)+Y1(S)+Y2(S) D. G(S)=G1(S)G2(S)G3(S)Y1(S)Y2(S)

时间:2023-09-05 14:42:17

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