Title :
Calculating the cutoff frequencies of heteromophic waveguide by operator theory
Author :
Cheng, Xu ; Xiaojuan, Zhang ; Song Wenmjao
Author_Institution :
Inst. of Electron., Acad. Sinica, Beijing, China
Abstract :
The cutoff frequencies of heteromophic waveguide in a special structure is solved with the matching of the electric and magnetic field on the virtual boundary by partial differential operator theory. The method can be used to not only for solving the cutoff frequencies of almost all modes precisely and expediently, but also for calculating the transmitting characteristics of a ridged waveguide and the other heteromophic waveguide loaded by a rectangular metal.
Keywords :
Green´s function methods; eigenvalues and eigenfunctions; electric fields; magnetic fields; mathematical operators; ridge waveguides; waveguide theory; Green´s function; cutoff frequencies; eigenvalue; electric field matching; electromagnetic field; heteromophic waveguide; magnetic field matching; partial differential operator theory; rectangular metal; ridged waveguide; three-dimensional resonant cavity; transmitting characteristics; virtual boundary; Cutoff frequency; Eigenvalues and eigenfunctions; Electromagnetic analysis; Electromagnetic fields; Electromagnetic waveguides; Loaded waveguides; Magnetic fields; Rectangular waveguides; Waveguide components; Waveguide theory;
Conference_Titel :
Antennas, Propagation and EM Theory, 2000. Proceedings. ISAPE 2000. 5th International Symposium on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-6377-9
DOI :
10.1109/ISAPE.2000.894779
