Representation of phase modulated signal

Q.  The equation v(t) = A cos [ωct + kp Φ(t)] represents the signal as
- Published on 14 Oct 15

a. Phase modulated signal
b. SSBSC signal
c. DSB SC signal
d. None of the above

ANSWER: Phase modulated signal
 
A phase modulated wave is given by
v(t) = A cos [ωct + kp Φ(t)]
A = amplitude
Φ(t) = baseband signal
ωc = carrier frequency
kp = phase sensitivity of the modulator.

Where, A is a constant that represents Amplitude and ωc represents carrier frequency and kp is the phase sensitivity of the modulator.

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