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【单选题】
若LTI系统 零状态响应的象 函数为Y(s),当激励信号的象函数为F(s)时,则系统的系统函数 H(s) 为( )。A.
Y(s)* F(s)
B.
Y(s)× F(s)
C.
F(s)/ Y(s)
D.
Y(s) /F(s)
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