Unformatted text preview: mum frequency θ m . This corresponds to cos( θ m k ) = (-1) k . What is the value of θ m ? d. Why is the phase (shift) ̸ H ( iω ) of a continuous-time physical system typically negative for positive frequency ω > 0? Hint: You may use some of the following words: delay, advance, causal, anticipatory. e. Consider a discrete-time system with a transfer function H ( z ). Suppose that the input to the system is given by u ( k ) = A cos( θk )1( k ). Find the steady-state output y ss ( k )....
View Full Document
This document was uploaded on 05/15/2011.
- Spring '09