Electromagnetic Waveguides: Theory and Applications (Ieee by S.F. Mahmoud

By S.F. Mahmoud

Meant for first 12 months graduate scholars, this e-book addresses the elemental difficulties linked to a waveguide as a verbal exchange medium. It contains experiences of metal cylindrical waveguides, floor impedance waveguides, dielectrical and open waveguides and normal waveguides. specified realization is paid to millimetric and optical waveguides.

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Extra info for Electromagnetic Waveguides: Theory and Applications (Ieee Electromagnetic Waves Series)

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Furthermore, we limit our discussion to lower order modes at frequencies sufficiently higher than their cutoff frequencies so that the condition XR0> 1 is also valid. 61) Closed waveguides 47 A p-dependent radial wavenumber may be defined as A:p= (A2~ v 2 /p 2 ) 1/2 . 63) where c is assumed to be a slowly varying function of p. 61), it is clear that tl, as we have already anticipated. In addition, the derivative of c with respect to p is proportional to p" 1 / 3 which means that c is slowly varying with p.

32). 5) for several e profiles. 6 Find the far field of a line source / exp(icot) lying on the z axis. 7 Find the fields of a line source with a travelling wave current; / i/3z)i lying on the z axis. 8 Derive the radiation pattern of the magnetic field component H^ for the structure of Fig. 63). Find the radiation conductance of the aperture p = a, \z\ ^ d. 9 Consider a conducting cylinder of radius a and infinite length. The cylindrical, surface has an aperture defined by the area: |0|<0/2and and is excited by an axially directed electric field given by: Ez = E0cos{jt

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