Dual-polarization radiating element and broadband base station antenna
A technology of radiation unit and base station antenna, which is applied to the combination of antenna units with different polarization directions, the structural form of radiation elements, antennas, etc., can solve the problems of high design difficulty, achieve simple structure, high performance, simple and compact structure, and reduce design effect of difficulty
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Embodiment 1
[0038] A dual-polarized radiation unit is a necessary constituent unit of an array antenna. Such as image 3 As shown, the dual-polarized radiation unit includes a metal reflective base plate 8, two pairs of oscillators 10 mounted on the metal reflective base plate 8, and corresponding connection terminals. The oscillator arms 4 of each pair of oscillators 10 are parallel to each other and have the same polarization direction; the oscillator arms 4 between the two pairs of oscillators 10 are perpendicular to each other. The feeder cables on each pair of vibrators 10 are connected in parallel to form a polarization. Side walls 9 are respectively provided on both longitudinal edges of the metal reflective bottom plate 8 . The vibrator arm 4 of the vibrator 10 is at a 45-degree angle to the longitudinal direction of the metal reflective base plate 8, forming a dual polarization of +45° polarization and -45° polarization, and the vibrator arms 4 of the two pairs of vibrator are ...
Embodiment 2
[0044] Such as Figure 5 As shown, on the basis of Embodiment 1, the arrangement of the oscillators has been changed. The oscillator arms 4 of the two pairs of oscillators 10 are arranged in a square, wherein the oscillator arms 4 of one pair of oscillators 10 are parallel to the longitudinal direction of the metal reflective base plate 8, and the oscillator arms 4 of the other pair of oscillators 10 are perpendicular to the longitudinal direction of the metal reflective base plate 8, A set of horizontally polarized and vertically polarized dual-polarized radiating units is formed.
Embodiment 3
[0046] Such as Figure 6 As shown, the vibrator arms 4 of each pair of vibrator 10 installed on the metal reflective base plate 8 are on the same straight line, that is, arranged in a line; the vibrator arms 4 between two pairs of vibrator 10 are arranged perpendicular to each other in a cross shape. The vibrator arms 4 of each pair of vibrator 10 described herein may form an angle of 45° with the longitudinal direction of the metal reflective base plate 8; The vibrator arm 4 is perpendicular to the longitudinal direction of the metal reflective base plate 8, forming a set of +45° polarized and -45° polarized dual-polarized radiation units.
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