DocumentCode :
445189
Title :
Wire and patch method of moments models of coaxial to arbitrary waveguide transitions
Author :
Pereira, F. D Quesada ; Tornero, J. L Gómez ; Rebenaque, D. Cañete ; García, J. Pascual ; Melcón, A. Alvarez
Author_Institution :
Tech. Univ. of Cartagena, Spain
Volume :
3B
fYear :
2005
fDate :
3-8 July 2005
Firstpage :
251
Abstract :
We present a study of different techniques for the accurate characterization of coaxial to waveguide transitions. The methods use the integral equation technique to calculate the currents induced on the walls of the waveguide and on the coax probes. The modeling of the coax probes is carried out using two models, namely a thick wire model, and a surface model using triangular cells. The symmetry of the junction is exploited by using images with respect to ground planes of electric and magnetic types. Results show that the thick wire model is accurate for moderately thick probes (a/λ = 0.025), while the rigorous surface approach must be used for probes with larger radius.
Keywords :
coaxial waveguides; electric current; integral equations; method of moments; waveguide theory; waveguide transitions; coax probes; coaxial-to-waveguide transitions; integral equation technique; patch method of moments models; surface model; thick wire model; triangular cells; wire method of moments models; Azimuth; Coaxial components; Integral equations; Kernel; Magnetic analysis; Moment methods; Probes; Surface waves; Waveguide transitions; Wire;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
Type :
conf
DOI :
10.1109/APS.2005.1552485
Filename :
1552485
Link To Document :
بازگشت