In terms of the spectrum of C-T periodic signal, which statement is CORRECT ( )
A、thespectrumisdiscretebuttheamplitudespectrumisNOTdecaying.;
B、thespectrumisNOTdiscreteandtheamplitudespectrumisNOTdecaying.;
C、thespectrumisNOTdiscretebuttheamplitudespectrumisdecaying.;
D、thespectrumisdiscreteandtheamplitudespectrumisdecaying.
发布时间：2026-01-14 10:47:57
