Dual-frequency dual-circularly-polarized common-caliber antenna for satellite communication
A dual circular polarization, satellite communication technology, applied in antenna coupling, antenna grounding switch structure connection, radiating element structure and other directions, can solve the problems of low port isolation, large size and space, and achieve simple overall design and light weight. , to achieve the effect of impedance matching
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[0056] Append Figure 1-6 As shown, the present embodiment provides a dual-band double-circular polarized co-diameter antenna for satellite communication, including the first dielectric substrate 1, the second dielectric substrate 2, and the third dielectric substrate 3; the first medium substrate 1, The second dielectric substrate 2 and the third dielectric substrate 3 are stacked from the lower to the upper to top; the first dielectric substrate 1 is printed with a feed network structure, and a metal ground is printed above; the second dielectric substrate 2 is printed with low frequency radiation. The unit 21, and the above-described third dielectric substrate is printed with high frequency radiating unit 31.
[0057] In this embodiment, the feed network structure printed below the first dielectric substrate includes a low-frequency port network structure and a high frequency port feed network structure; wherein the low-frequency port feed network structure incl...
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