Jan 3, 2006 #1 S sweetsalt Newbie level 4 Joined Dec 18, 2005 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,356 help required The input to causal LTI system is x[n] = u[-n-1]+(0.5)^n u[n] the Z transform of the output of this system is Y(Z) = -1/2 Z^-1 whole divided by (1-0.5z^ -1)(1+z^-1) a) determine H(z) the transform of the system impulse respone.Be sure to specify the ROC. b) what is the ROC of Y(z)? c) determine y answer to part a is H(Z)= 1-z^ -1 / 1 + z^-1 roc = |z| > 1 ... iss part ke samjh lag gaye hey. b ) ROC { Y(Z) } = |Z| > 1 ... i am really unable to understand this, how?
help required The input to causal LTI system is x[n] = u[-n-1]+(0.5)^n u[n] the Z transform of the output of this system is Y(Z) = -1/2 Z^-1 whole divided by (1-0.5z^ -1)(1+z^-1) a) determine H(z) the transform of the system impulse respone.Be sure to specify the ROC. b) what is the ROC of Y(z)? c) determine y answer to part a is H(Z)= 1-z^ -1 / 1 + z^-1 roc = |z| > 1 ... iss part ke samjh lag gaye hey. b ) ROC { Y(Z) } = |Z| > 1 ... i am really unable to understand this, how?
Jan 24, 2006 #2 M MSGHP Junior Member level 1 Joined Jan 16, 2006 Messages 15 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Location Iran Activity points 1,409 help required The output of a causal system is causal too. Y(Z) is the out put of a causal system so it must be right sided and its roc is out side of the outer most pole.
help required The output of a causal system is causal too. Y(Z) is the out put of a causal system so it must be right sided and its roc is out side of the outer most pole.