§2.3 Basic Sequences Xreln]and ximIn]of a complex exponential sequence are real sinusoidal sequences with constant (0o-0),growing (oo>0),and decaying (0o<0)amplitudes for n >0 Real part Imaginary part 0.5 0.5 0 05 -0.5 10 20 30 40 10 20 30 40 xIn]=exp(+)n§2.3 Basic Sequences • xre[n] and xim[n] of a complex exponential sequence are real sinusoidal sequences with constant (σ0=0), growing (σ0>0) , and decaying (σ0<0) amplitudes for n > 0 x[n] exp( j )n 12 6 1 π = − + Real part Imaginary part