Question: Following a procedure similar to that described in Section 2.11 for the DSB-SC receiver, extend this noise analysis to a SSB receiver. Specifically, evaluate the
Following a procedure similar to that described in Section 2.11 for the DSB-SC receiver, extend this noise analysis to a SSB receiver. Specifically, evaluate the followings:
(a) The output signal-to-noise ratio.
(b) The channel signal-to-noise ratio.
Hence, show that the failure of merit for the SSB receiver is exactly the same as that for the DSB-SC receiver. Note that unlike the DSB-SC receiver, the mid-band frequency of the spectral density function of the narrowband-filtered noise at the front end of the SSB receiver is offset from the carrier frequency ƒc by an amount equal to W/2, where W is the message bandwidth.
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Consider the case of a receiver using coherent detection with an incoming singlesideband SSB modulated wave We assume that only the lower sideband is transmitted so that we can express the modulated w... View full answer
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