Calculate frequency domain representation of pre-envelope

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Reference no: EM13290746

Consider the bandpasssignal
S(T)= 2SIN(180πt) + 3COS(220πT).

(a) Calculate thefrequency domain representation S(f)ofthis signal
(b) Calculate the frequency domain representation ofthe pre-envelope S+(f) OFS(t)
(c) What is thepre-envelope s+(t) of s(t)?
(d) Calculate the frequency domain representationS1(f) of thelowpass equivalent of thebandpass signal at fc =100Hz
(e) Calculate the time domain lowpass equivalentsignal S1.
(f) What is the Hilbert transform g(t) ofs(t)?

Reference no: EM13290746

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