Basic sequences ◆ Unit sample sequence 0n≠0 (discrete-time impulse, o(n H=0 impulse, Unit impulse) ◆离散时间单位脉冲(样本)序列,区别连续时间单位冲激 EK=(continuous-time unit impulse function &(t)) Unit sample 1/30/2021 Zhongguo Liu_Biomedical Engineering_ Shandong Univ9 1/30/2021 Zhongguo Liu_Biomedical Engineering_Shandong Univ. Basic sequences uUnit sample sequence (discrete-time impulse, impulse, Unit impulse)         1 0 0 0 n n  n u离散时间单位脉冲(样本)序列, 区别连续时间单位冲激 函数(continuous-time unit impulse function δ(t) )