Compare the frequency responses with methods and for different sampling times 
Q1. The transfer function of a system is given by 
. What is the frequency response of the system at 
?
. What is the frequency response of the system at ?
Q2. Given the transfer function of a discrete-time system:
What is the frequency response of the system at
?
What is the frequency response of the system at
?
Q3. For the system with a frequency response 
, what is the magnitude of the frequency response at 
?
, what is the magnitude of the frequency response at ?
Q4. Given the discrete transfer function: 
. What is the magnitude of the frequency response at ?
. What is the magnitude of the frequency response at ?
Q5. Given the transfer function of a discrete-time system: 
. What is the angle of the frequency response 
at ?
. What is the angle of the frequency response at ?