3Cohn S B. Properties of Ridge Waveguide [ J ]. Proe.IRE, 1974, 35(8) : 783 - 788.
4Hopfer S. The Design of Redged Waveguide [ J ]. IRETrans. MTr, 1955, 3(10): 20-29.
5Pyle J R. The Cutoff Wavelength of the TEl0 Mode in Ridged Rectangular Waveguide of any Aspect Ratio [ J ].IEEE Trans. MTr, 1966, 14(4): 175-183.
6Montgomery J P. On the Complete Eigenvalue Solution of Ridged Waveguide[J]. IEEE Trans. MTr, 1971, 19(6) : 547 - 555.
7Swaminathan M, Arvas E, Sarkar T K. Compution of Cutoff Wavenumbers of TE and TM Modes in Waveguides of Arbitrary Cross Sections Using a Surface Integral Formulation[J]. IEEE Trans. MTr, 1990, 38(2) : 154- 159.
8Weimin Sun, Balanis C A. MFIE Analysis and Design of Ridged Wavegnides[J]. IEEE Trans. MTF, 1993, 41 (11):965- 1971.