Analytic expressions for phase radiation characteristics of a semi-infinite open-ended circular waveguide regardless of its aperture size and operating frequency have been obtained making use of the rigorous Weinstein's theory. The analysis of phase radiation patterns has been carried out for the dominant mode (TE11) as well as for the high order modes TM01 and TE01, both for a single and multimode propagation. The measurement of radiation characteristics of an open-ended circular waveguide has been carried out at the DTU-ESA Spherical Near-Field Antenna Test Facility. It is shown that the theoretical results are in a good agreement with the experimental ones.
|Title of host publication||Proceedings of International Conference on Mathematical Methods in Electromagnetic Theory|
|Publication status||Published - 2002|
|Event||9th International Conference on Mathematical Methods in Electromagnetic Theory - Kiev, Ukraine|
Duration: 10 Sep 2002 → 13 Sep 2002
Conference number: 9
|Conference||9th International Conference on Mathematical Methods in Electromagnetic Theory|
|Period||10/09/2002 → 13/09/2002|