Poynting theorem for harmonic em plane waves

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SUMMARY

The discussion focuses on the derivation of the Poynting theorem for harmonic electromagnetic plane waves as presented in "Microwave Engineering" by David M. Pozar. Participants seek clarification on the use of conjugate variables in the derivation and the implications of the source current. The consensus is that the conjugates are essential for accurately representing energy flow and conservation in electromagnetic fields.

PREREQUISITES
  • Understanding of Poynting theorem in electromagnetism
  • Familiarity with harmonic electromagnetic waves
  • Knowledge of complex conjugates in mathematical physics
  • Basic principles of microwave engineering
NEXT STEPS
  • Study the derivation of the Poynting theorem in detail
  • Explore the role of complex conjugates in electromagnetic theory
  • Investigate the implications of source current in wave propagation
  • Review "Microwave Engineering" by David M. Pozar for deeper insights
USEFUL FOR

Students and professionals in electrical engineering, particularly those specializing in electromagnetism and microwave engineering, will benefit from this discussion.

Ahmad Kishki
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explain this derivation:

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Source: microwave engineering, pozar

Why did pozar use those conjugates?
What does the source current mean?
 
I found the solution...
 

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