ANTI-JAMMING APPARATUS AND METHOD FOR A RADAR SYSTEM
Assignee
THOMSON-CSF
Filed
Oct 24, 1984
Granted
Jun 19, 1990
Location
SCEAUX FR
Abstract
Anti-jamming apparatus and method for a radar system having a main antenna utilizes a single electronic-scan auxiliary antenna having a plurality of radiating elements each coupled to appropriate phase shift means. The auxiliary antenna is successively sighted in directions of each of a plurality of jammers. First and second receiving chains respectively coupled to the main and auxiliary antennas supplies a processor with components of the signals received by the antennas. The computer supplies control signals to control the sighting of the auxiliary antenna so that it radiates in the direction of each jammer maximum radiation values, the components of which are those of the field radiated by the main antenna in the direction of the sighted jammer. The processor also provides an output signal comprising a vectorial combination of the signals received by the main and auxiliary antennas. The auxiliary antenna is thus successively used as an auxiliary adjusting antenna, and then used as an anti-jamming antenna.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 11, 1986
Rescinded
Jul 31, 1989
Duration
3 years, 4 months
Inventor
- 1ROBERT GUILHEM
Record Details
- Patent number
- US 4935743
- Application
- 06700937
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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