Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1978-12-22
1982-04-27
Buczinski, S. C.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5R, H01Q 1700
Patent
active
043273645
ABSTRACT:
A radar false target elimination system for converting incident microwave electromagnetic energy to thermal energy to preclude reflection of radar energy which would otherwise induce the generation of a beacon response and a false target from an aircraft being tracked by the radar. The invention comprises a layered, sandwich configuration of materials, including an electrical component sheet having a coating of a combination of carbon and polymide resin in a selected ratio by weight on a low dielectric constant and loss tangent substrate and in a selected geometrical configuration to provide a lossy mixture for achieving the aforesaid energy conversion.
The panel comprising such a sandwich configuration is mounted on potentially reflective structures in the vicinity of the radar which would otherwise permit reflections of radar energy along a false path to an aircraft. The panels are mounted substantially normal to the path between the otherwise reflecting surface and the radar antenna to maximize the energy conversion characteristics.
REFERENCES:
patent: 3887920 (1975-06-01), Wright et al.
patent: 4012738 (1977-03-01), Wright
Buczinski S. C.
Rockwell International Corporation
Silberberg Charles T.
Tachner Leonard
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