Which of the following statements is true s a The spectrum o

Which of the following statements is true? s

(a). The spectrum of an aperiodic continuous signal is aperiodic and discrete.

(b). The spectrum of a periodic continuous signal is periodic and continuous.

(c). The spectrum of a periodic discrete sequence is periodic and discrete.

(d). The spectrum of a periodic continuous signal is periodic and discrete.

(e). None of the above.

Solution

the spectrum of an aperiodic continuous signal is aperiodic and discrete is true