第四章丨LT髙散时间系统在变换域中的分析 4.24对因果指数序列的响应 设输入小=emu则 =∑kpm)pb ∑小 e uln k=0 ∑小p/em-∑小-p k=0 Jo lYon ∑硬 jok loon 稳态响应( steady- state response):yn[]=H(e)/m 暂态响应( transient response.):y小]∑小kp ak loon k=n+1 数字信号处理精品课程⚫ 4.2.4 对因果指数序列的响应 ( ) ( ) ( ) j n k n j k t r j j n s r j n k n j j n j k j n k n j n j k k j k j n n k j k n k j n k j n transient response y n h k e e steady state response y n H e e H e e h k e e h k e e h k e e h k e e u n y n h k e u n x n e u n = − = = − − = = = = = + − = + − = + − = − = − = − 1 1 0 1 0 0 : 暂态响应( ): 稳态响应( ) 设输入 ,则