4. The cutoff frequency of the mode of a rectangular waveguide (with dimensions a and b) is
m or n= 0, 1,2..., for modes (but not both 0) and m or n = 1 , 2..., formodes.
申論題內容
(II) (5%) Given a = 3 cm and free space for the dielectric in the waveguide, please find the
propagating modes for f = 9000 MHz in the case (i).
阿摩線上測驗
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modes (but not both 0) and m or n = 1 , 2..., for
modes.