Sketch the two-sided spectrum

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Reference no: EM13851993

Problem: Consider the signal x(t) = 1.5cos(0.15π(t + 1.4)) + 3 cos(0.25π(t - 3)).

(a) Sketch the two-sided spectrum for x(t).

(b) Find the fundamental frequency f0 (in Hz)

(c) Find the fundamental period T0 (in seconds).

(d) Give two examples of a value for ω0 such that the sum x(t) + cos (ω0t) is not periodic.

(e) Solve the following equation for the delay t:

x(t) + x(t - t) = 0

if the answer is not unique, specify all possible solutions.

Reference no: EM13851993

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