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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) [Wrong Answer] |
B. | f(t) + jfh(t) [Correct Answer] |
C. | fh(t) + jf(t) [Wrong Answer] |
D. | fh(t) - jf(t) [Wrong Answer] |