Determine if the following CT signals are energy or power signals or neither. Calculate the energy and power of the signals in each case. (a) x(t) : cos(nt) sin (3nt) (b) x(t) = e-j2t (c) x(t) = e-2tu(t)

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Fourier Series

Most of the incidents studied in the field of Engineering and Science as a function of time. For example, current and voltage are in the alternating current circuit. These occasional activities can be analyzed in the activity components (fundamental frequency and harmonics) through a process called Fourier analysis.