(a) Consider an upper SSB modulated wave Ac [m(t) cos(2nfet) - m(t) sin(2nfet)] and its Hilbert transform su (t), where m(t) is the message signal, m(t) is the Hilbert transform of m(t), fe is the carrier frequency, and Ac is the carrier amplitude. Please express m(t) and m(t) in terms of su(t) and su(t). (b) Express m(t) and m(t) in terms of the lower SSB modulated wave s(t) and its Hilbert transform ŝ₂ (t). (c) Based on the results of (a) and (b), design the block diagrams of a receiver to demodulate an SSB wave. Su(t)= = 2

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Q3
(a) Consider an upper SSB modulated wave
Ac
su(t) = m(t) cos(2nfet) — m(t) sin(2πft)]
and its Hilbert transform ŝ₂ (t), where m(t) is the message signal, m(t) is the Hilbert transform
of m(t), fe is the carrier frequency, and Ac is the carrier amplitude. Please express m(t) and
m(t) in terms of su(t) and su(t).
(b) Express m(t) and m(t) in terms of the lower SSB modulated wave s(t) and its Hilbert
transform ŝ₂ (t).
(c) Based on the results of (a) and (b), design the block diagrams of a receiver to demodulate an
SSB wave.
Transcribed Image Text:Q3 (a) Consider an upper SSB modulated wave Ac su(t) = m(t) cos(2nfet) — m(t) sin(2πft)] and its Hilbert transform ŝ₂ (t), where m(t) is the message signal, m(t) is the Hilbert transform of m(t), fe is the carrier frequency, and Ac is the carrier amplitude. Please express m(t) and m(t) in terms of su(t) and su(t). (b) Express m(t) and m(t) in terms of the lower SSB modulated wave s(t) and its Hilbert transform ŝ₂ (t). (c) Based on the results of (a) and (b), design the block diagrams of a receiver to demodulate an SSB wave.
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