METHOD AND A DEVICE FOR REDUCING THE POWER OF JAMMING SIGNALS RECEIVED BY THE SECONDARY LOBES OF A RANDOM FREQUENCY RADAR ANTENNA
Assignee
THOMSON-CSF
Filed
Jan 5, 1983
Granted
Jan 2, 1990
Location
PARIS FR
Abstract
A method and a device for reducing the power of jamming signals received by the secondary lobes of the main antenna AP of a radar transmitting at a random frequency fE (n), with which is associated a number of secondary antennas ASl, . . . ASN. The signals used for the calculation in circuit (10) of the weighting coefficients (Wl to WN) to be applied to obtain a signal resulting from the weighted linear combination of the secondary signals Dl, . . . DN to be subtracted from the signal Do in the main channel (VPD) relative to the transmission frequency fE (N+1) are those (V0, V1, . . . VN) processed in the main and secondary auxiliary channels (VPA, AsAl, . . . ASAN) relative to the transmission frequency fE (n+1) of the next recurrence train during the period of radar reception of the recurrence train corresponding to the transmission frequency fE (n) for the jammed range slots selected by circuit (15).
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Feb 2, 1988
Rescinded
Mar 2, 1989
Duration
1 year
Inventor
- 1GERARD AUVRAY
Record Details
- Patent number
- US 4891647
- Application
- 06460076
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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