November 2012
Intermediate to advanced
308 pages
8h 55m
English
Content preview from Electrical Impedance
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Appendix B
Harmonic electromagnetic fields
CONTENTS
B.1 Harmonic fields ................................................... 247
B.2 Maxwell equations for harmonic fields ........................... 248
B.3 Electromagnetic fields and energy ............................... 248
In the following, Maxwell equations and Poynting theorem are written for the
particular case of harmonic fields. The results are employed in Sec. 1.8 to link
the concept of impedance to the physics of electromagnetic fields.
B.1 Harmonic fields
Let us consider the generic real-valued scalar or vector field X(r,t); in the
sinuosidal steady state with angular frequency ω, it can be expressed ...
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