Wide-beam dielectric resonator antenna based on embedded metal pillars
A dielectric resonator and metal column technology, applied in resonant antennas, antennas, electrical short antennas, etc., can solve problems such as application range limitations, and achieve the effects of easy excitation, low return loss, and easy resonance.
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Embodiment 1
[0025] refer to figure 1 , figure 2 , image 3 with Figure 4
[0026] A wide-beam dielectric resonator antenna based on embedded metal pillars, including a dielectric substrate 1, a metal floor 2, a cuboid dielectric block 3, two metal plates 4 with the same structure, a metal probe 5 and a metal microstrip line 6; The metal floor 2 and the metal microstrip line 6 are printed on the upper surface and the lower surface of the dielectric substrate 1 respectively. One end of the metal microstrip line 6 is connected to the metal probe 5, and the other end extends to the bottom of the dielectric substrate 1. Edge; the cuboid dielectric block 3 also includes a metal sheet 31 and three metal columns 32 of the same structure, the cuboid dielectric block 3 is located on the upper surface of the metal floor 2, and the metal sheet 31 is printed on the cuboid dielectric block 3 The side that is connected to the metal probe 5, and is connected to the metal probe 5; the direction wher...
Embodiment 2
[0034] The distance between the three metal pillars 32 of the same structure is represented as S, wherein S is twice the diameter of the metal pillars; the height of the rectangular parallelepiped dielectric block 3 is represented as h, wherein the metal pillars 32 The height is 0.4h ~ 0.6h. The height of the metal post 32 of the present invention is 0.4h.
[0035] The two identical metal plates 4 are respectively perpendicular to the XOY plane and parallel to the long sides of the cuboid dielectric block 3 .
[0036] The distance between the two identical metal plates 4 and the rectangular parallelepiped dielectric block 3 is denoted as D, where D is 2.5 mm to 6 mm; the length and height of the two identical metallic plates 4 are not less than the rectangular parallelepiped dielectric block 3 length and height. The distance D between the metal plate 4 of the present invention and the cuboid dielectric block 3 is 2.5 mm.
[0037] The metal sheet 31 is printed on the center ...
Embodiment 3
[0040]The distance between the three metal pillars 32 of the same structure is represented as S, wherein S is twice the diameter of the metal pillars; the height of the rectangular parallelepiped dielectric block 3 is represented as h, wherein the metal pillars 32 The height is 0.4h ~ 0.6h. The height of the metal post 32 of the present invention is 0.6h.
[0041] The two identical metal plates 4 are respectively perpendicular to the XOY plane and parallel to the long sides of the cuboid dielectric block 3 .
[0042] The distance between the two identical metal plates 4 and the rectangular parallelepiped dielectric block 3 is denoted as D, wherein D is 2.5 mm to 6 mm; the length and height of the two identical metallic plates 4 are not less than the rectangular parallelepiped dielectric block 3 length and height. The distance D between the metal plate 4 of the present invention and the cuboid dielectric block 3 is 6 mm.
[0043] The metal sheet 31 is printed on the center o...
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