Mathematics, 15.10.2019 03:20 tristanlindor5908
Consider the passband signalxp(t) =sinc2(20t) cos(2000πt) +sinc(20t) sin(2000πt).assume that the reference frequency isfc= 1000.(a) findxc(t),theicomponent andxs(t),theqcomponents of the signal.(b) draw a circuit using mixers (multipliers) and low pass filters that extractsxc(t) andxs(t) fromthe passband signalxp() find the spectra of theiandqcomponents, xc(f),xs() findx(t), the complex baseband representation of the signal, ande(t) =|x(t)|,the envelope ofthe signal.(e) find the (complex) bandwidth ofx(t) and the (real) bandwidth ofxp(t).
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Consider the passband signalxp(t) =sinc2(20t) cos(2000πt) +sinc(20t) sin(2000πt).assume that the ref...
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