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Chapter 7 Single-SidebandModulation(SSB) andFrequency ...

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Chapter 7Single- sideband Modulation (SSB)and Frequency TranslationContentsSlide 1Single- sideband ModulationSlide 2SSB by DSBSC-AM and FilteringSlide 3SSB by DSBSC-AM and Filtering (cont.)Slide 4SSB and Hilbert TransformsSlide 5SSB and Hilbert Transforms (cont. 1)Slide 6SSB and Hilbert Transforms (cont. 2)Slide 6SSB Modulator Using a Hilbert TransformSlide 7Another Derivation of the SSBRepresentationSlide 8Transforms in Generating SSB SignalSlide 9Coherent SSB DemodulationSlide 10Coherent Demodulation (cont.)Slide 11Demodulator Using a Hilbert TransformSlide 12Demod. Using a Hilbert Transform (cont.)Slide 13Using a Pilot ToneSlide 14Frequency TranslationSlide 15Frequency Translation (cont. 1)Slide 16Frequency Translation (cont. 2)Slide 17Frequency Translation (cont.)

• In single-sideband(SSB) modulation only the upper sideband or the lower sideband is transmitted. Thus, SSB modulation requires half the bandwidth of AM or DSBSC-AM modulation. • We will assume that the baseband message signal m(t) is band limited with a cutoff frequency W which is less than the carrier frequency ωc. Then the required ...

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