(来学网)如果脉冲重复频率为2000Hz,则 Nyquist频率极限为
  • A.
    (来学网)400Hz
  • B.
    (来学网)500Hz
  • C.
    (来学网)800Hz
  • D.
    (来学网)1000Hz
  • E.
    (来学网)1200Hz