Electromagnetic Wave TheoryA 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 238
... approximation . The del operator V in ( 3 ) can be replaced by ik in the far - field approximation . For instance , consider the gradient a ar +212 მ +6 r 20 1 a r sine ap The operator a / ar when operated on eikr gives ik which yields ...
... approximation . The del operator V in ( 3 ) can be replaced by ik in the far - field approximation . For instance , consider the gradient a ar +212 მ +6 r 20 1 a r sine ap The operator a / ar when operated on eikr gives ik which yields ...
Page 340
... approximating polynomial will always satisfy the realization condition while the other interpo- lation methods provide no such guarantee . For the array pattern as given in Problem P4.16 , find the Bernstein polynomial approximation for ...
... approximating polynomial will always satisfy the realization condition while the other interpo- lation methods provide no such guarantee . For the array pattern as given in Problem P4.16 , find the Bernstein polynomial approximation for ...
Page 392
... approximation the inclusion of the quadrature phase correction term eikz'2 / 2z at the aperture leads to the use of Fresnel in- tegrals . In the radiation field approximation , which is not restricted to paraxial directions , the ...
... approximation the inclusion of the quadrature phase correction term eikz'2 / 2z at the aperture leads to the use of Fresnel in- tegrals . In the radiation field approximation , which is not restricted to paraxial directions , the ...
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amplitudes angle antenna aperture approximation assume axis bianisotropic boundary conditions cavity complex conductor Consider constitutive relations coordinate cos² current sheet cutoff defined denote density derived determined dielectric direction dispersion relation dyadic Green's function E₁ E₂ eikr electric field electromagnetic waves field vectors frequency Green's function guidance condition guided waves H₁ H₂ impedance incident wave integral isotropic media k₁ kız linearly polarized Lorentz Lorentz transformation magnetic field matrix Maxwell's equations medium modes obtain optical permittivity perpendicular phase front plane wave Poynting's Poynting's theorem Poynting's vector Problem radiation radius reflection coefficient region saddle point scalar scattering Show shown in Figure sin² solution surface current tangential tensor theorem time-average TM waves transformation uniaxial wave equation wave propagating wave vector waveguide wavenumber zero