Module 4 : Laplace and Z Transform
Lecture 34 : Rational System Functions
 
Conclusion:
In this lecture you have learnt:

 
A rational system function is a system function which can be expressed as a ratio of two polynomials in s ( respectively z  ).


A continuous variable (respectively discrete variable) LSI system with rational system function H(s) (respectively H(z) ) is called a RATIONAL SYSTEM.



If we think of H(s) as

the solutions of N(s) = 0 are called the zeroes of H(s) ,and the solutions of D(s) = 0 are called the poles of H(s).








 
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