Slide Presentations for ECE 329, Introduction to Electromagnetic Fields, to supplement

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Slide Presentations for ECE 329,Introduction to
Electromagnetic Fields,to supplement Elements
of Engineering Electromagnetics, Sixth Edition

• by
• Nannapaneni Narayana Rao
• Edward C. Jordan Professor of Electrical and
  Computer Engineering
• University of Illinois at Urbana-Champaign,
  Urbana, Illinois, USA
• Distinguished Amrita Professor of Engineering
• Amrita Vishwa Vidyapeetham, Coimbatore, Tamil
  Nadu, India

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4.4Wave Equation and Solution for Material
Medium
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Waves in Material Media
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Combining, we get
Define
Then
Wave equation
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Solution
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attenuation
attenuation
a attenuation constant, Np/m
b phase constant, rad/m
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Summarizing,
conversely,
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Example
Solution
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