计算机控制系统 ch2.ppt

* 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms 4. Inversion integral method The inversion integral for the z transform X(z) is given by * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-6 The Inverse z transforms * * 2-7 z transform method for solving difference equations * * 2-7 z transform method for solving difference equations * * 2-7 z transform method for solving difference equations * * 2-7 z transform method for solving difference equations * * 2-7 z transform method for solving difference equations * * 2-7 z transform method for solving difference equations * * homework * B-2-4 B-2-6 B-2-7 B-2-10 B-2-13 B-2-17(don’t use Matlab) * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms Complex translation theorem * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms Initial value theorem Behavior of the signal in the neighborhood of t = 0 or k = 0 can be determined by the behavior of X(z) at z = ?. Can have a check on X(z) by known x(0). * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms Final value theorem * 2-5 Important Properties and theorems of z transforms * 2-5 Important Properties and theorems of z transforms * 2-6 The Inverse z transforms When X(z), the z transform of x(kT) or x(k), is given, the operation that determines the corresponding x(kT) or x(k) is called the inverse transformation. The notation for the inverse z transform is Z-1. Note: only