Unformatted text preview: t ) to the input x ( t ), where [ ] [ ] ) 3 ( ) 1 ( 2 ) ( ) 2 ( ) ( sin ) ( − − − = − − = t u t u t h t u t u t t x π 4. The following are the impulse responses of discretetime LTI systems. Determine whether each system is causal and/or stable. Justify your answers. a) ] 1 [ ) 01 . 1 ( ] [ ) 2 1 ( ] [ − + − = n u n u n h n n b) ] 1 [ ) 01 . 1 ( ] [ ) 2 1 ( ] [ n u n u n h n n − + − =...
View
Full Document
 Spring '09
 SungChiWan
 Digital Signal Processing, LTI system theory, Impulse response, discretetime LTI systems

Click to edit the document details