电子科大课堂讲义课堂版信号题解10章.ppt

Chapter 10 Problem SolutionChap.10: 10.2 10.6 10.7 10.9 10.10 10.16 10.18 10.23 10.24 10.271 Chapter 10 Problem Solution10.6 Let be an absolutely summable signal with rational . If is known to have a pole at z=1/2,could be(a)a finite-duration signal?(b)a left-sided signal?(c)a right-sided signal?(d)a two-sided signal?can be a right-sided signal or a two-sided signal.2 Chapter 10 Problem Solution10.7 Suppose that the algebraic expression for the z-transform of isHow many different regions of convergence could correspond to ? Poles :There are three regions of convergence.Zeros:3 Chapter 10 Problem Solution10.16 Consider the following stable systems,determine in each case whether or not the corresponding system is causal.This system is not causal.This system is causal.4 Chapter 10 Problem SolutionThis system is not causal.5 Chapter 10 Problem Solution10.18 Consider the following causal system. (a) Determine a difference equation relating and . (b) Is this system stable? 8-1/92/3-6L1L26 Chapter 10 Problem Solution7 Chapter 10 Problem Solution10.24 Determine the inverse z-transform.8 Chapter 10 Problem Solution9 Chapter 10 Problem Solution10.27 A right-sided sequence has z-transformDetermine for 10。