Bk. Wang et al., ELLIPTIC WAVE-GUIDE ANALYSIS USING IMPROVED POLYNOMIAL-APPROXIMATION, IEE proceedings. Microwaves, antennas and propagation, 141(6), 1994, pp. 483-488
A new approach is presented for the study of wave propagation characte
ristics in uniform hollow conducting waveguides of elliptical cross-se
ction. This approach uses direct polynomial approximation to represent
the curved boundary of the waveguide structure. The integration over
the cross-section of the waveguide is performed by an analytical formu
la which saves computation time. The new approach is more efficient an
d more accurate than existing methods.