| 摘要 |
A waveguide including: a first section including a first surface, a second surface, an upper wall, and a lower wall facing the upper wall; and a second section extending from the second surface; wherein the first section includes an upper ridge on the upper wall of the first section and a lower ridge on the lower wall of the first section, wherein the second section includes an upper conductor extending from a top portion of the second surface and a lower conductor extending from a lower portion of the second surface with a gap between the upper and lower conductors, wherein the upper conductor is electrically connected to the upper ridge, wherein the lower conductor is electrically connected to the lower ridge, and wherein the upper and lower conductors are adapted to propagate a wave and reduce discontinuity of the wave a connection between the first and second sections.
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