Frequency selection surface with miniaturized low frequency number ratio
A frequency-selective surface and frequency-to-number ratio technology, applied to electrical components, antennas, etc., can solve the problems of low frequency-to-number ratio and high miniaturization, and achieve the effects of reducing resonance frequency, extending current path, and reducing unit size
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] refer to figure 1 , the low frequency number ratio miniaturization frequency selective surface of the present invention, comprises the frequency selective surface unit of M*N periodic arrangement, this example takes M=10, N=10, and the structure of each frequency selective surface unit is as figure 2 shown.
[0027] refer to figure 2 , the frequency selective surface unit includes a dielectric plate 2, an upper metal patch 1, a lower metal patch 3, a metal through hole 4 and a metal connecting line 5 connecting adjacent units; the upper metal patch 1 and the lower metal patch 3 are printed respectively Made on the upper surface and the lower surface of the dielectric board 2, each metal patch is composed of four metal strips arranged on the surface of the dielectric board 2; mm ~ 3.5mm, a square plate with a dielectric con...
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