(ii) A waveform produced by a radio signal is represented by equation below. [Satu gelombang di hasilkan daripada isyarat radio di wakilkan seperti persamaan di bawah.] x(t) = 40 sin( 62.84t) + 80 cos(20tt)

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Chapter1: Introduction
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answer question 1.b.2 quickly
(b) Classify the following signals as a periodic signal or an aperiodic signal and justify
your answers. Next, determine the fundamental frequency if the signal is a periodic
signal.
[Klasifikasikan isyarat berikut sebagai isyarat berkala ataupun tidak berkala dan buktikan jawapan
anda. Seterusnya, tentukan frekuensi asas jika isyarat tersebut adalah berkala.]
Transcribed Image Text:(b) Classify the following signals as a periodic signal or an aperiodic signal and justify your answers. Next, determine the fundamental frequency if the signal is a periodic signal. [Klasifikasikan isyarat berikut sebagai isyarat berkala ataupun tidak berkala dan buktikan jawapan anda. Seterusnya, tentukan frekuensi asas jika isyarat tersebut adalah berkala.]
(ii) A waveform produced by a radio signal is represented by equation below.
[Satu gelombang di hasilkan daripada isyarat radio di wakilkan seperti persamaan di bawah.]
x(t) = 40 sin( 62.84t) + 80 cos(20tt)
Transcribed Image Text:(ii) A waveform produced by a radio signal is represented by equation below. [Satu gelombang di hasilkan daripada isyarat radio di wakilkan seperti persamaan di bawah.] x(t) = 40 sin( 62.84t) + 80 cos(20tt)
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