Novel Spatial Domain Integral Equation Formulation for the Analysis of Rectangular Waveguide Steps Close to Arbitrarily Shaped Dielectric and/or Conducting Posts

1. Quesada Pereira, F.D.
2. Gómez Molina, C.
3. Alvarez Melcon, A.
4. Boria, V.E.
5. Guglielmi, M.