| 摘要 |
Apparatus for storing a periodic signal and for recycling complete cycle portions of such stored periodic signal is provided, such apparatus comprising: means for converting an input sinusoidal signal into a corresponding first train of pulses; means for producing a second train of pulses representative of samples of the input sinusoidal signal; means for producing a signal related to the difference in time between the leading edge of the first train of pulses and the leading edge of the second train of pulses to provide a control signal related to a time interval between a first time such time difference is less than a predetermined value and a second later time such time difference is less than such predetermined value; storage means; and means, responsive to the control signals for recycling complete cycles of the first train of pulses through the storage means.
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