Spectral Analysis of Sinusoidal Signals Assumption -Parameters characterizing sinusoidal signals,such as amplitude, frequencies,and phase,do not change with time For such a signal g[n],the Fourier analysis can be carried out by computing the DTFT G(ejo)=∑g[nle-jon n=-o∞Spectral Analysis of Sinusoidal Signals • Assumption - Parameters characterizing sinusoidal signals, such as amplitude, frequencies, and phase, do not change with time • For such a signal g[n], the Fourier analysis can be carried out by computing the DTFT = ∑ ∞ =−∞ − n j j n G e g n e ω ω ( ) [ ]