What is a dispersion diagram explain how the phase and


1. Discuss the phenomenon of dispersion.

2. Discuss the concept of group velocity with the aid of an example.

3. What is a dispersion diagram? Explain how the phase and group velocities can be determined from a dispersion diagram.

4. When is it meaningful to attribute a group velocity to a signal comprised of more than two frequencies? Why?

5. Discuss the propagation of a narrow-band amplitude modulated signal in a dispersive channel.

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Physics: What is a dispersion diagram explain how the phase and
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