If fh(t) is the Hilbert transform of f(t), and f(t) is a real valued s – McqOptions

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1.	If fh(t) is the Hilbert transform of f(t), and f(t) is a real valued signal, the pre-envelope of f(t) is
A.	f(t) - jfh(t)
B.	f(t) + jfh(t)
C.	fh(t) + jf(t)
D.	fh(t) - jf(t)
Answer» C. fh(t) + jf(t)

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