Beam scanning array antenna
An array antenna and beam scanning technology, applied in the field of beam scanning array antennas, can solve the problems of increasing the difficulty and cost of antenna processing, affecting the performance of the antenna, beam scanning, and complexity of the antenna, achieving stable antenna beam scanning function, reducing processing costs, The effect of simplifying the antenna structure
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[0024] A specific embodiment of the present invention is an array antenna whose working frequency band is 2.4 GHz of a wireless communication system and can realize 90° beam scanning.
[0025] refer to figure 1 , figure 2 and image 3 , the present invention is mainly composed of a microstrip power distribution feeding part, an antenna vibrator unit, an equivalent inductance loading part and a diode switch control circuit part. in,
[0026] The feeding part includes a one-to-two power distribution feeding network 12 in the form of a microstrip line, a pad 13, a dielectric board 10, an SMA connector 11, and a vertical probe 18, wherein the equal power distribution feeding network adopts a cross structure Etched on the upper surface of a Rogers RT / duroid 5880 dielectric plate 10 with a radius of Gr and a thickness of sh, the feed point is located at the cross point through the vertical probe 18, and the back of the dielectric plate 10 is used as the floor of the antenna syst...
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