| 摘要 |
In an electronic scanning type array antenna device according to the present invention, the circuit is constituted to be able to select a case in which any one antenna unit out of a plurality of electronic scanning type array antenna units is operated to form a radiation pattern, or a case in which any two or more, including all, antenna units out of the plurality of electronic scanning type array antenna units are operated to form a radiation pattern; thereby a radio beam can be scanned in a desired direction in a wide range with a smaller number of antenna elements and phase shifters in comparison with that of a conventional device.
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