H AA Signals and Systems Fall 2003 Lecture#23 4 December 2003 1. Geometric Evaluation of z-Transforms and dt frequency Responses 2. First-and Second-Order Systems 3. System Function Algebra and block diagrams Unilateral z-TransformsSignals and Systems Fall 2003 Lecture #23 4 December 2003 1. Geometric Evaluation of z-Transforms and DT Frequency Responses 2. First- and Second-Order Systems 3. System Function Algebra and Block Diagrams 4. Unilateral z-Transforms