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This question belongs to Electronics And Communications Engineering Electromagnetic Field Theory

Electromagnetic Field Theory

?

The group delay function τ(ω) is related to phase function φ(ω) as

A) $$\tau \left( \omega \right) = - \frac{{d\phi \left( \omega \right)}}{{d\omega }}$$ B) $$\tau \left( \omega \right) = \frac{{d\phi \left( \omega \right)}}{{d{\omega ^2}}}$$ C) $$\tau \left( \omega \right) = - \frac{{{d^2}\phi \left( \omega \right)}}{{d{\omega ^2}}}$$ D) $$\tau \left( \omega \right) = \frac{{{d^2}\phi \left( \omega \right)}}{{d\omega }}$$

Answer & Solution

Correct Answer: Option A

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