A rectangular cavity crossed slot antenna is one of ideal antenna elements for this antenna system.

矩形腔十字裂缝天线就是这种天线理想的辐射单元之一。

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The transition from the rectangular waveguide to the cavity coupler in LINACis made by means of a matching iris, which leads to amplitude and phase asym-metries of fields in the cavity coupler.

电子直线加速器的腔式耦合器通过侧面匹配膜片和方波导相连，它引起了腔中场振幅和相位的不对称。

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