Broadband dual polarized antenna unit
A dual-polarized antenna and broadband technology, which is applied to antenna unit combinations, antennas, electrical components and other directions with different polarization directions, can solve the problems of difficult to meet relative bandwidth and limited antenna array bandwidth, and achieve good cross-polarization characteristics, High gain, good consistency effect
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Embodiment 1
[0028] Such as figure 1 As shown, the broadband dual-polarized antenna of this embodiment includes a reflector 1 , a support body 2 , four radiation pieces 3 , a fixing block 4 and an excitation core wire 5 . The four radiation sheets 3 are symmetrical and perpendicular to each other, forming the radiation body of this embodiment.
[0029] The reflector 1 is a metal plate, which plays the role of reflecting electromagnetic waves and fixing it, and its thickness is negligible relative to the working wavelength.
[0030] The support body 2 is fixed on the reflection plate 1 to form a DC short circuit. The support body 2 is in the shape of a hollow cuboid with a wall thickness of 1 mm. The excitation core wire 5 is in an "n" shape. One end is disconnected to play a coupling role, and the other end passes through the reflector 1 downwards and is connected to the feed network on the back of the reflector 1 .
[0031] The support body 2 also forms a balanced balun, and the excita...
Embodiment 2
[0038] Such as Figure 5 As shown, the difference between this embodiment and Embodiment 1 is that the radiation sheet 3 in Embodiment 1 is a solid body, and this embodiment adopts a hollow structure.
Embodiment 3
[0040] Such as Figure 6 As shown, similar to Embodiment 2, the radiation sheet of this embodiment adopts another hollow structure.
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