4.5-5 A periodic message signal m (1) as shown in Figure P4.5-5 is to be transmitted by using angle modulation. Its bandwidth is approximated by 200 Hz. The modulation system has lac = 4x x 103 rad/s. Figure P4.5-5 m(1) 0.01 0.02 0.03 0.0 0.05 0.06 f (a) If an FM signal with ky = 500r is to be generated, sketch in the FM signal in the time domain. (b) If a PM signal with kp = 0.25r is to be generated, sketch the PM signal waveform in the time domain.

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4.5-5 A periodic message signal m() as shown in Figure P4.5-5 is to be transmitted by using
angle modulation. Its bandwidth is approximated by 200 Hz. The modulation system has
w=4 x 103 rad/s.
Figure P4.5-5
m(t)|
4
14
0.01 0.02 0.03 0.04 0.05 0.06
(a) If an FM signal with kf = 500 is to be generated, sketch in the FM signal in the time
domain.
(b) If a PM signal with kp = 0.25 is to be generated, sketch the PM signal waveform in the
time domain.
Transcribed Image Text:4.5-5 A periodic message signal m() as shown in Figure P4.5-5 is to be transmitted by using angle modulation. Its bandwidth is approximated by 200 Hz. The modulation system has w=4 x 103 rad/s. Figure P4.5-5 m(t)| 4 14 0.01 0.02 0.03 0.04 0.05 0.06 (a) If an FM signal with kf = 500 is to be generated, sketch in the FM signal in the time domain. (b) If a PM signal with kp = 0.25 is to be generated, sketch the PM signal waveform in the time domain.
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