Slaved Gram Schmidt adaptive noise cancellation method and appar

Details Slaved Gram Schmidt adaptive noise cancellation method and appar Slaved Gram Schmidt adaptive noise cancellation method and appar

1991-05-30

1996-02-13

Barron, Jr., Gilberto

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

Directive

Utilizing correlation techniques

342383, 342384, G01S 332

Patent

active

054914876

ABSTRACT:
A method and apparatus are provided for filtering noise from a plurality of input signals in a sensor system. One first main input signal and several first auxiliary input signals are obtained and interior weights corresponding to the first main and auxiliary signals are determined. Thereafter, equivalent linear weights corresponding to the interior weights are determined and the equivalent linear weights are applied to second main and auxiliary input signals to filter the second main and auxiliary signals and produce one final output signal. Alternatively, the first input signals can be a subset of the second input signals such that a large set of input signals can be filtered by calculating weighting factors from a subset thereof.

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Karl Gerlach, "A Systolic, Multiple-Channel, Band-Partitioned Noise Cancer," Jun. 14, 1990, Washington, D.C. NRL Report No. 9225.
Karl Gerlach, "A Numerically Efficient Band-Partitioned Noise Canceller," Jun. 29, 1987, Washington, D.C., NRL Report No. 9050.

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