1.

The phase response of a passband waveform at receiver is given by \(\phi \left( f \right) = - 2\pi \alpha \left( {f - {f_c}} \right) - 2\pi \beta {f_c}\)Where \({f_c}\) is center frequency and \(\alpha ,\beta \) are positive constants. The actual signal propagation delay from transmitter to receiver is:

A. \(\frac{{\alpha - \beta }}{{\alpha + \beta }}\)
B. \(\frac{{\alpha \beta }}{{\alpha + \beta }}\)
C. \(\alpha \)
D. \(\beta\)
Answer» D. \(\beta\)


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