DEVICE FOR REDUCING THE RADOME EFFECT WITH A SURFACE-RADIATING WIDEBAND ANTENNA AND REDUCING THE RADAR CROSS SECTION OF THE ASSEMBLY
Assignee
THOMSON-CSF
Filed
May 16, 1989
Granted
Mar 3, 1998
Location
LE PLESSIS ROBI FR
Abstract
A layer (30) absorbing transmitted radiation, placed between an antenna (10) and a radome (20) and extending parallel to the surface of the antenna at a close distance thereto, the absorption coefficient of said absorbing layer varying between a minimum value in the center of the radiating surface and a maximum value at the periphery of said radiating surface. The absorbing layer may in particular be formed by a central area (31) with a zero or virtually zero absorption coefficient surrounded by a peripheral area (32) with a constant absorption coefficient. It may also be formed by a succession of concentric areas exhibiting respective absorption coefficients increasing from the center to the periphery. In addition to the reduction of the radome effect, said structure reduces significantly the radar cross section of the assembly when the latter is the target of a radar.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Aug 3, 1989
Rescinded
Mar 5, 1996
Duration
6 years, 7 months
Inventor
- 1CHRISTIAN BOULINGRE
Record Details
- Patent number
- US 5724052
- Application
- 07364674
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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