Wideband radar system utilizing adaptive interference canceler

Details Wideband radar system utilizing adaptive interference canceler Wideband radar system utilizing adaptive interference canceler

1993-01-29

1994-03-15

Tubbesing, T. H.

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

Clutter elimination

342 91, 342201, G01S 13536

Patent

active

052949338

ABSTRACT:
A wideband radar apparatus is provided having improved interference suppression characteristics. The known time versus bandwidth characteristic of the transmitted pulse is utilized to effect intermediate frequency bandwidth reduction in received swath echo signals. During the interpulse period, basebanded swath echo signals are then subjected to a series of adaptive interference suppressing updates. The adaptive weight vector produced during each of these updates is then applied to the same data used to generate the weights. Preferably, adaptive weight generation is performed in a systolic array according to a QR decomposition algorithm.

REFERENCES:
patent: 5173703 (1992-12-01), Mangiapane et al.
R. T. Compton Jr., "Chapter 6: Steering Vector Arrays," Adaptive Antennas: Concepts and Performance, 335-95 (1988).

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