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自 动 控 制 原 理第 七 章 采 样 数 据 控 制 系 统 分 析∞∞*e t e t δ t kT e t δ t kT或 写 作= ∑ − = ∑ −() () ( ) () ( )k= 0 k=0e * () t = e() t δ () t∞δT() t = ∑δ( t−kT)k=0式 中 δ T (t) 称 为 单 位 理 想 脉 冲 序 列 , 而 e * (t)即 为 加 权 理 想 脉 冲 序 列 。T

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