Anisotropic correction lens for antenna disposed in anisotropic housing and related assemblies
OwnerMichael A. Gilbert, Toan L. Doinventors
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Abstract
The otherwise distorted pattern of an antenna disposed within an anisotropic radome (e.g. of a submarine) is corrected with a complementary anisotropic RF lens.
Claims44
An RF antenna assembly for installation in an anisotropic housing, said assembly comprising:
- an RF antenna having a radiation pattern that would be anisotropically altered by installation in said housing;
- and
- an anisotropic correcting RF lens coupled to said antenna structure so as to complement and at least partially reduce the degree of anisotropic pattern alteration that otherwise would be introduced by said housing.
A method for reducing anisotropic distortion in an RF antenna radiation pattern when said antenna is housed within an anisotropic housing having a greater RF signal propagation distance in a first direction than in a second direction said method comprising:
- disposing a complementary anisotropic corrective RF lens structure between said antenna and said housing;
- said lens structure being RF coupled to said antenna and effectively providing a greater RF signal propagation distance in said second direction than in said first direction.
A correcting lens for use with an antenna disposed within a submarine radome, said correcting lens comprising a shaped structure made from high dielectric constant material and disposed to present a greater thickness at a forward side of the antenna.
A method for making a correcting lens for use with an antenna disposed within a submarine radome, said method comprising:
- bonding a plurality of layers of dielectric material together around a mandrel to create an arc-shaped correcting lens, and
- positioning said correcting lens at a forward side of the antenna.
A method of making a correcting lens for use with an antenna disposed within a submarine radome, said method comprising:
- building up a plurality of sections of dielectric material around a mandrel to create an arc-shaped correcting lens, and
- positioning said correcting lens at a forward side of the antenna.
Dependencies are inferred from the claim text.