Substrate-integrated waveguide bandpass filter based on a novel complementary split-ring resonator structure
A complementary aperture resonance, substrate integrated waveguide technology, applied in the microwave field, can solve the problems of narrow conduction band, small relative bandwidth, poor frequency selectivity outside the band, etc. performance effect
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[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0022] The present invention is based on the substrate integrated waveguide bandpass filter of the novel complementary split resonant ring structure, such as figure 1 shown, including dielectric substrates. Such as figure 2 As shown, a metal layer with the same width as the dielectric substrate is provided in the middle of the upper surface of the dielectric substrate, and a row of equidistantly arranged metal pillars with the same diameter are embedded in the two long sides of the dielectric substrate. Equal height, connecting the upper...
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