Multiband active metamaterial wave absorber
A metamaterial and wave absorber technology, applied in electrical components, antennas, etc., can solve the problems of non-adjustable wave absorption performance and single frequency, and achieve the effect of simple structure and easy processing and production.
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[0020] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0021] Such as Figure 1-Figure 3 As shown, a multi-band active metamaterial absorber includes a dielectric substrate 1, a metasurface metal resonant array layer 2 printed on the top surface of the dielectric substrate 1, and a metasurface metal resonant array layer loaded on the metasurface metal resonant array layer 2. The capacitor diode 3 and the metal ground layer printed on the back of the dielectric substrate 1, the metasurface metal resonant array layer 2 is composed of a plurality of unit structures arranged continuously along the X-axis direction and the Y-axis direction of the top surface of the dielectric substrate 1, each Each unit structure comprises a metal disc 5 and four triangular metal patches 6 evenly distributed on the outside of the metal disc 5 outer circumference. In each unit structure, each triangular metal patch 6 and metal disc 5 Varactor...
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