A.基本訊號與系統1.Discrete-time(DT)signalandsystem2.LTIsystem3.DTFouriertransform　B.Z轉換1.Z-transform2.Regionofconvergence3.InverseZ-transform　C.取樣分析1.Periodicsampling2.Signalreconstruction3.Discrete-timeprocessing　D.多率系統1.Changingthesamplingrate2.Multiratesignalprocessing3.Oversamplingand