• 2022-05-26
    Given [img=214x47]18033783c242984.png[/img], then the initia value of the signal in the time domain, [img=44x26]18033783cb70806.png[/img] is ( )
    A: 1
    B: 1/2
    C: 1/4
    D: 2
  • 举一反三