连续信号的脉冲分解与卷积

单位阶跃信号 u ( t ) = { 0 t < 0 1 t > 0 u(t)=\left\{\begin{array}{ll}{0} & {t<0} \\ {1} & {t>0}\end{array}\right. u(t)={01​t<0t>0​html 有延迟的单位阶跃信号（左加右减） u ( t − t 0 ) = { 0 t < t 0 1

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