Multi-bandpass, dual-polarization radome with compressed grid
First Claim
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1. A radome, comprising:
- a dielectric wall; and
one or more inductive metallic grids embedded in and/or disposed on the dielectric wall,each of the one or more grids includes compressed grid arms and is tuned to permit bandpass transmission at upper and lower frequencies,wherein compression of the compressed grid arms extends along entire respective lengths thereof and each compressed grid arm comprises first and second ends that respectively follow oppositely damped sinusoidal patterns.
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Abstract
A radome is provided and includes a dielectric wall and one or more inductive metallic grids embedded in and/or disposed on the dielectric wall. Each of the one or more grids includes compressed grid arms and is tuned to permit bandpass transmission at upper and lower frequencies.
30 Citations
17 Claims
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1. A radome, comprising:
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a dielectric wall; and one or more inductive metallic grids embedded in and/or disposed on the dielectric wall, each of the one or more grids includes compressed grid arms and is tuned to permit bandpass transmission at upper and lower frequencies, wherein compression of the compressed grid arms extends along entire respective lengths thereof and each compressed grid arm comprises first and second ends that respectively follow oppositely damped sinusoidal patterns. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A radome, comprising:
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a dielectric wall; and metallic layers embedded within and/or disposed on the dielectric wall, each of the metallic layers includes an inductive metallic grid and compressed grid arms, and each of the metallic layers is configured to act as a sub-resonant reactive impedance surface at a lower frequency and as a frequency selective surface at an upper frequency, wherein compression of the compressed grid arms extends along entire respective lengths thereof and each compressed grid arm comprises first and second ends that respectively each comprise first and second ends that respectively follow oppositely damped sinusoidal patterns. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A radome, comprising:
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a dielectric wall having first and second portions; first metallic layers embedded within and/or disposed on the first portion of the dielectric wall and including an inductive metallic grid defining grid apertures and a repeating lattice of metallic structures within the grid apertures; second metallic layers embedded within and/or disposed on the second portion of the dielectric wall and including an inductive metallic grid including compressed grid arms; the first and second metallic layers each being configured to act as a sub-resonant reactive impedance surface at a lower frequency and as a frequency selective surface at an upper frequency, wherein compression of the compressed grid arms extends along entire respective lengths thereof and each compressed grid arm comprises first and second ends that respectively each comprise first and second ends that respectively follow oppositely damped sinusoidal patterns. - View Dependent Claims (14, 15, 16, 17)
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Specification