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Matrix Methods to Speed Processing for MVDR Beamforming: 10,574,320

Abstract: 

A numerically stable and computationally efficient method for updating and downdating during MVDR (minimum variance distortionless response) adaptive beamforming. The method involves downdating and updating of the triangular (Cholesky) factor of the covariance matrix. The covariance matrix is never explicitly formed, but rather is partitioned and expanded after substituting in the Cholesky factors. 

Patent Number: 
10,574,320
Date Of Issue: 
02/25/2020
Inventors: 

Wayne D. Music