ANTI-JAMMING DEVICE FOR A RADAR PROVIDED WITH A REFLECTOR ANTENNA
Assignee
Filed
Jul 7, 1977
Granted
Apr 16, 1991
Location
Abstract
A reflector of an antenna in a radar system subject to jamming carries a multiplicity of localized phase shifters which are sequentially controlled by a processor to introduce certain phase modifications into incoming signals reflected toward an associated radiator. The processor, operating on branched-off portions of the incoming signals, compares the magnitudes of the signals received in the several operational states of each phase shifter and maintains that operational state for which the signal level is at a minimum. The comparisons may be carried out on signals received at the end of a signal-transmission cycle, lacking a useful component.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 15, 1982
Rescinded
May 11, 1990
Duration
7 years, 10 months
Record Details
- Patent number
- US 5008677
- Application
- 00581628
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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