Chapter 2 LTI Systems 52. 3.5 Invertibility of LTI Systems LT係系统的可逆性 x System Inverse System 1() dentity system(恒等系统) h()*h1()=o() 山小]*h1=2
12 Chapter 2 LTI Systems §2.3.5 Invertibility of LTI Systems LTI系统的可逆性 y(t) System h(t) x(t) Inverse System h (t) 1 x(t) identity system (恒等系统） h(t)h (t) = (t) 1 hnh n= n 1
Chapter 2 LTI Systems 52.3. Causality for LTI Systems LT係系统的因果性 1. Discrete-time System Causal system →=0,n<0 2. ContinuouS-time System Causal h(t)=0,t<0 system 13
13 Chapter 2 LTI Systems §2.3.6 Causality for LTI Systems LTI系统的因果性 1. Discrete-time System Causal system hn= 0,n 0 2. Continuous-time System Causal system h(t) = 0,t 0
Chapter 2 LTI Systems For any time to x(t)=0,t<t>y(t)=0,t<6 The system is initial rest.(初始松弛) Consider a lti system Causal Initial rest(初始松弛)
14 Chapter 2 LTI Systems Consider a LTI system Causal Initial Rest (初始松弛） For any time t0 ( ) 0 x t = 0 , t t ( ) 0 y t t t = 0 , The system is initial rest. (初始松弛）