Metamaterial frequency selective surface and metamaterial frequency selective radome and antenna system made of it
A frequency-selective surface and antenna system technology, applied to antennas, radiating unit covers, electrical components, etc., can solve the problems of reducing antenna radiation efficiency and gain, affecting antenna electromagnetic performance, and complicated production, so as to achieve good wave transmission performance and reflection Small, reduce the effect of clutter interference
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[0026] Terms such as "surface", "sheet", "layer", and "plate" in the present invention both refer to thin-layer materials of arbitrary shapes such as planes, curved surfaces, conical surfaces, spherical surfaces, and special-shaped surfaces, and may also include soft films, To adapt to different application requirements. For the sake of brevity, the "surface", "sheet", "layer" and "board" in this embodiment are all shown as planes.
[0027] Such as figure 1 As shown, the metamaterial frequency selective surface of the present invention includes at least one metamaterial sheet 10 , and the metamaterial sheet 10 includes two substrates 12 bonded together and a metal layer 14 placed between the two substrates 12 . The two substrates 12 are made of polymer materials, ceramic materials, ferroelectric materials, ferrite materials or ferromagnetic materials, such as epoxy resin glass fiber cloth (ie FR4), polytetrafluoroethylene (English name is Polytetrafluoroethene, F4B for short...
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