ELEC212 Chapter 6 Structures for Discrete-Time Systems

ELEC212 Chapter 6 Structures for Discrete-Time Systems -...

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1 The Hong Kong University of Science and Technology Department of Electronic and Computer Engineering ELEC 212 Chapter 6 Structures for Discrete-Time Systems 2 09-10 Fall ELEC 212 Structures for Discrete-Time Systems Introduction An LTI system with a rational system function has the property that the input and output sequences satisfy a linear constant-coefficient difference equation (LCCDE). This lecture considers issues related to the implementation of LTI discrete-time systems. Will consider block diagram and signal flow graph representations of network structures for LTI causal systems described by LCCDE. Will also present a number of basic equivalent structures for implementing causal LTI systems. 3 09-10 Fall ELEC 212 Structures for Discrete-Time Systems Block Diagram Representation of LCCDE 4 09-10 Fall ELEC 212 Structures for Discrete-Time Systems Example: Second Order LCCDE
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