【单选题】Let x[n] be an absolutely summable signal with rational z-transform X[z].If X[z] is known to have a pole at Z=1/3, please determine the which statement is True. ( )
【单选题】Let x[n] be an absolutely summable signal with rational z-transform X[z].If X[z] is known to have a pole at Z=3, please determine the which statement is True. ( )
【简答题】Given a Markov chain X[n] on n ≥ 1, with transition probabilities given as , find an expression for the two-step transition probabilities , Also show that , for n ≥ 1.