Constrained data-adaptive signal rejector

Details Constrained data-adaptive signal rejector Constrained data-adaptive signal rejector

2007-10-09

2007-10-09

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

Reexamination Certificate

active

10730571

ABSTRACT:
A constrained data-adaptive signal rejector suppresses signals received through the side lobes of a sensor array while preserving signals received through the main lobes. A main beam is formed in a typical signal processing architecture. A subset of the original independent sensor signals are paired into auxiliary channels using a weighting scheme that results in a beam pattern having a null in the direction of the beam mainlobe. The auxiliary channels are then used in a traditional multiple sidelobe cancellation architecture to reject unwanted signals.

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