Adaptive interference canceller

Details Adaptive interference canceller Adaptive interference canceller

1990-05-29

1991-06-25

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

With polarization

342363, 342365, 342384, G01S 13534

Patent

active

050271237

ABSTRACT:
An adaptive interference canceller for use in a dual polarized radar system for receiving cross-polar and like-polar signals and generating an output signal corresponding to the received cross-polar signal with a like-polar interfering component cancelled therefrom. A modified adaptive filter is provided with a self-adjusting impulse response conforming to a least means square adjustment cancelling the influence of the like-polar signal, which is generally much stronger on the cross-point signal. The resulting output has a high target-to-clutter ratio and therefor a high probability of detection.

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