Chapter 7 Sampling Continuous sampling Discrete Code Digital Signal Signal 1g Signal Continuous D/A Signal DSP x2() x() T 0 T 2T t x1(n)=x2(n7)=x(mr) x1()≠x2(t)≠x()2 Chapter 7 Sampling Continuous Signal Discrete Signal sampling Code Digital Signal DSP Continuous D/A Signal -T 0 T 2T t x (t) 1 x (t) 2 x (t) 3 ( ) ( ) ( ) 1 2 3 x nT x nT x nT = = ( ) ( ) ( ) 1 2 3 x t x t x t  