| 摘要 |
Provided is an array antenna device which is capable of easily setting radiation coefficients of respective antenna elements and easily matching impedances. The array antenna device 1 according to the present invention comprises: a plurality of antenna blocks 4 provided on a front side of a dielectric substrate 3, wherein each of the plurality of antenna blocks 4 includes: a feed microstrip line 6; and an antenna element 2 connected to a middle part 61 of the feed microstrip line 6, wherein the feed microstrip line 6 has: the middle part 61; an input side impedance matching element 7 connected to the middle part 61 so as to be distant from the antenna element 2; and an output side impedance matching element 8 connected to the middle part 61 so as to be distant from the antenna element 2.
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