Abstract
AbstractThe boundary‐value problem of scattering from an annular slot on a radial waveguide is solved. The scattered fields are expanded in terms of eigenfunctions based on the Fourier series and Hankel transform. Boundary conditions are enforced to constitute a set of simultaneous equations. A fast convergent series solution is obtained using residue calculus. Computations are performed to investigate radiation and coupling by an annular slot on a radial waveguide. Favorable agreement is observed between our theory and other existing results. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48:354–357, 2006; Published Online in Wiley InterScience (www.interscience.wiley.com) DOI 10.1002/mop.21347
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