Triple-band antenna with gaps which are loaded nested double R-shaped left-handed structures
A nesting and slot technology, applied in the direction of slot antenna, antenna, radiating element structure, etc., can solve the problems of difficult application of microwave devices with special performance requirements and space constraints, large loss, large size, etc.
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[0039] Embodiment 1: see figure 1 , the basic structure of the present invention is a high-performance dielectric substrate 1 covered with a good conductor on one side, and the dielectric substrate 1 is rectangular in shape, with a length of L=30mm and a width of L 1 =20mm, thickness h=1.6mm, dielectric constant 4.4, loss tangent value 0.02, good conductor thickness 0.017mm. A rectangular patch 2 is etched on the good conductor surface of the dielectric substrate, with a length Lp=16mm and a width Wp=11mm. Two loading nested R-shaped left-hand structures 3 are loaded on the rectangular radiation patch of the monopole antenna as gaps, and the outer contour of the nested R-shaped left-hand structure loaded on the left is from a length of a=2mm, width of w=0.6mm Rectangular metal rod and outer arc with radius r 3 = 2.3mm, the inner arc is a concentric structure, the inner and outer arc distance is w = 0.6mm 1 / 2 metal arc, the length is b = 5.2mm, the width is w = 0.6mm rectangu...
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