Microstrip serial-fed array antenna by combining shunt-fed power divider network
An array antenna and microstrip technology, which is applied in the direction of antenna, antenna array, antenna grounding switch structure connection, etc., can solve problems such as stray radiation, parallel feed power distribution network discontinuity, and influence on antenna pattern characteristics, etc., to improve Performance, improved pattern characteristics, low cost effects
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[0032] The following further describes the present invention with reference to the accompanying drawings of the specification and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.
[0033] Such as Figure 2~4 As shown, the microstrip series-fed array antenna of this embodiment combined with the parallel-fed power division network includes four series-fed line arrays 22 of the same structure and a first-stage T-type power divider 211 and a second-stage T-type power divider 212 The parallel-fed power division network 21, the parallel-fed power division network 21, and the series-fed line array 22 constitute the microstrip structure 2. The series-fed line array 22 is fed at the end of the line array, and the series-fed line array 22 is connected through the parallel-fed power division network 21 to form a surface The input terminal P of the first-stage T-type power divider 211 is the feeding point, that is, the array feeding po...
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