Modified affine projection algorithm for non-stationary signal

Details Modified affine projection algorithm for non-stationary signal Modified affine projection algorithm for non-stationary signal

2007-10-09

2007-10-09

Singh, Ramnandan (Department: 2614)

Telephonic communications

Echo cancellation or suppression

Using digital signal processing

C379S406110

Reexamination Certificate

active

10944832

ABSTRACT:
An affine projection or like algorithm is used to process a non-stationary signal. The affine projection algorithm creates an inverse matrix and includes a factor γ to avoid numerical instability in the inverse matrix. The factor γ is adaptively adjusted according to the characteristics of the signal.

REFERENCES:
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patent: 6744886 (2004-06-01), Benesty et al.
patent: 6788785 (2004-09-01), Ding
patent: 6909782 (2005-06-01), Bershad et al.
Gay, Steven L., “Dynamically regularized fast RLS with application to echo cancellation”, IEEE, 1996, pp. 957-960.

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