Method and system for accelerating the computation of...

Details Method and system for accelerating the computation of... Method and system for accelerating the computation of...

2011-07-12

2011-07-12

Mai, Tan V (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07979484

ABSTRACT:
A system and method is provided for performing matrix inverse functions, for example, for use within Space-Time Adaptive Processing (STAP). The methods use parallelism of a Forward/Backward substitution algorithm in two dimensions to increase a speed of execution of the matrix inverse function. Sampled data is combined with steering vector values, which direct antennas in a desired direction in the absence interference, in order to determine adaptive weights used within filters to remove unwanted energy in the sampled data due to jammers, clutter or other interference. The adaptive weights are recursively computed, using stored values of previously calculated adaptive weights and other factor coefficients derived from the sampled data.

REFERENCES:
patent: 6598009 (2003-07-01), Yang
patent: 6825808 (2004-11-01), Kimata et al.
patent: 2002/0190999 (2002-12-01), Lee
patent: 2004/0048593 (2004-03-01), Sano

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