Electromagnetic Wave TheoryThis is a first year graduate text on electromagnetic field theory emphasizing mathematical approaches, problem solving and physical interpretation. Examples deal with guidance, propagation, radiation and scattering of electromagnetic waves, metallic and dielectric wave guides, resonators, antennas and radiating structures, Cerenkov radiation, moving media, plasmas, crystals, integrated optics, lasers and fibers, remote sensing, geophysical probing, dipole antennas and stratified media. |
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Page 125
... impedance is simply the characteristic impedance of medium t , Zt = ( μt / € t ) 1 / 2 . At an incident angle larger than 0. , Zt is purely imaginary . The wave impedance in region 0 is defined by the ratio of ( 7 ) to ( 8 ) , which ...
... impedance is simply the characteristic impedance of medium t , Zt = ( μt / € t ) 1 / 2 . At an incident angle larger than 0. , Zt is purely imaginary . The wave impedance in region 0 is defined by the ratio of ( 7 ) to ( 8 ) , which ...
Page 132
... impedance in the direction of wave propagation is ʼn = wμ 。/ k = ( μ 。/ €。) 1 / 2 ≈ 377 N. With the definition of the complex wave impedance , the ratio of ( 15 ) to ( 16 ) gives Zız ( z = −dı ) = Z ( l + 1 ) z ( z z = -d ) . Thus ...
... impedance in the direction of wave propagation is ʼn = wμ 。/ k = ( μ 。/ €。) 1 / 2 ≈ 377 N. With the definition of the complex wave impedance , the ratio of ( 15 ) to ( 16 ) gives Zız ( z = −dı ) = Z ( l + 1 ) z ( z z = -d ) . Thus ...
Page 287
... impedance at the antenna terminal is Z ; = V ( 0 ) I ( 0 ) = Vo ( 0 ) Io ( 0 ) ( 31 ) which depends only on the TEM mode . In terms of the terminal impedance Zt , the input impedance Z ; is immediately determined from ( 27 ) which ...
... impedance at the antenna terminal is Z ; = V ( 0 ) I ( 0 ) = Vo ( 0 ) Io ( 0 ) ( 31 ) which depends only on the TEM mode . In terms of the terminal impedance Zt , the input impedance Z ; is immediately determined from ( 27 ) which ...
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amplitudes angle antenna aperture array axis bianisotropic boundary conditions cavity complex conductor Consider constitutive relations coordinate cos² current sheet cylindrical defined denote density derived determined dielectric dipole dispersion relation dyadic Green's function E₁ E₂ eikr electric field electromagnetic waves field components field vectors formula frequency Green's function guidance condition guided waves H₂ Hankel function impedance incident wave integral isotropic medium k₁ kız linearly polarized Lorentz Lorentz transformation magnetic field matrix Maxwell's equations modes obtain optical permittivity perpendicular phase front plane wave Poynting's Poynting's theorem Problem radiation radius reflection coefficient region resonant saddle point scalar scattered Show shown in Figure sin² solution spherical tensor theorem tion TM waves transformation transmission uniaxial velocity wave equation wave propagating wave vector waveguide wavenumber zero