| 摘要 |
An array antenna includes a dielectric substrate layer having opposing sides. A ground plane conductor is positioned on one side of the dielectric substrate layer. A plurality of antenna elements, such as slots, are formed within the ground plane conductor. The antenna elements are arranged to form an array. A plurality of signal tracks, such as striplines, extend along the side of the dielectric substrate layer opposing the ground plane conductor. The respective striplines extend under each antenna element. A plug-in card slot is operatively connected to the plurality of striplines and adapted for receiving a plug-in card and connecting to a plurality of striplines within the plug-in card to have a desired phase shift to scan the beam to a desired location.
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