Computer · Communication Systems
Which of the following statements is NOT true about Single Sideband (SSB) modulation?
- 1The spectrum of cos((ωc - ωm)t) represents the lower-side band in the time domain.
- 2DSB-SC needs a transmission bandwidth equal to four times that of SSB-SC modulation.✓
- 3SSB-SC modulation reduces the transmission bandwidth by half compared to DSB-SC.
- 4The spectrum of cos((ωc + ωm)t) represents the upper-side band in the time domain.
Correct answer
DSB-SC needs a transmission bandwidth equal to four times that of SSB-SC modulation.
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