一些常见的Z变换

附表A-2常用函数的拉氏变换和z变换表序号拉氏变换()Es时间函数()etZ变换()Es11δ(t)12Tse110)()(nTnTtt1zz3s1)(1t1zz421st2)1(zTz531s22t32)1(2)1(zzzT611ns!ntn)(!)1(lim0aTnnnaezzan7as1ateaTezz82)(1asatte2)(aTaTezTze9)(assaate1))(1()1(aTaTezzze10))((bsasabbtateebTaTezzezz1122stsin2sin2cos1zTzzT1222sstcos2(cos)2cos1zzTzzT1322)(asteatsin22sin2cosaTaTaTzeTzzeTe1422)(asasteatcos222cos2cosaTaTaTzzeTzzeTe15aTsln)/1(1Tta/azz信号，x[n]Z变换，X(z)收敛区域1所有234567891011121314151617181920