输入信号x(t),输出信号是()时,说明信号在传输中没有失真。(A) y(f)=±K0x(t-td)(B) )y(f)=±K0x(At- 输入信号x(t),输出信号是()时,说明信号在传输中没有失真。(A) y(f)=±K0x(t-td)(B) )y(f)=±K0x(At-td)(C) )y(t)=±tx(t-td)(D) )y(t)=±K0x(At-td) 参考答案 查看答案