Radome with tilted dielectric strips

Details Radome with tilted dielectric strips Radome with tilted dielectric strips

1978-06-12

1980-02-19

Moore, David K.

Communications: radio wave antennas

Antennas

With housing or protective covering

343756, H01Q 142

Patent

active

041897315

ABSTRACT:
A radome having arrays of thin strips of dielectric material on both the inside and outside walls of a conical shell defined by a sheet of dielectric material for compensating for the polarization dependent phase delay of the radome shell is disclosed. The strips of the outside array are supported edgewise on the outside wall and are normal thereto. The outside strips are equally spaced from each other, and disposed so that the intersection of lines extending therefrom is at the vertex of the shell. The strips of the inside array are supported edgewise on the inside strips wall. The inside strips are spaced from one another and tilted from the inside wall at an angle of approximately 45 degrees in a direction away from the vertex of the shell. Each of the inside strips is a frustum of a cone disposed with its axis along the axis of the shell. The tilt of the inside strips increases the transmittance bandwidth of the radome and further decreases dependence of phase delay upon the angle of incidence.

REFERENCES:
patent: 3063654 (1962-11-01), Youngren et al.
patent: 3576581 (1971-04-01), Tricoles et al.
patent: 3780374 (1973-12-01), Shibano et al.
Bodnar et al. "Analysis of an Anisotropic Dielectric Radome," IEEE Transactions on Antennas and Propagation, Nov. 1975, pp. 841-846.

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