GENERAL PURPOSE SIDELOBE CANCELLER SYSTEM
Assignee
Filed
Mar 26, 1979
Granted
Sep 27, 1994
Location
MD US
Abstract
A digital, open-loop, sidelobe canceller system includes an arrangement ofuxiliary-channel preprocessing cancellers and a series of main-channel cancellers in which specific cancellers average a different number of samples for cancelling both barrage (continuous) jamming and false-target-repeater jamming, which enter the sidelobes of a radar antenna. The preprocessing cancellers and each of the main-channel cancellers, except the last succeeding main-channel canceller, use long-time averaging (averaging over a large number, n, of samples of the main and auxiliary signals, where n>>2) for removing barrage jamming from the main signal. The last succeeding main-channel canceller uses short-time averaging (averaging over approximately 2-4 samples) for removing false-target-repeater jamming from the main signal.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 14, 1982
Rescinded
Feb 22, 1994
Duration
11 years, 7 months
Inventor
- 1FRANK F. KRETSCHMER
Record Details
- Patent number
- US 5351058
- Application
- 06025952
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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