System and method for providing digital filter coefficients

Details System and method for providing digital filter coefficients System and method for providing digital filter coefficients

1989-05-30

1991-10-15

Malzahn, David H.

Boots, shoes, and leggings

36472416, G06F 1531

Patent

active

050580477

ABSTRACT:
There is disclosed a system and method for generating coefficients for use in a digital filter. The coefficients are generated utilizing an iterative adaptive process employing a least mean square process wherein the filter coefficients are updated by an amount during each iteration dependent upon the stochastic average of the gradient generated during prior iterations. The response of a filter standard to an applied input signal is combined with a response of the adaptive filter coefficients to generate, during each iteration, an error signal. If the error signal is less than a predetermined standard, the iterative process is stopped, and the last used filter coefficients are utilized as the final filter coefficients of the digital filter.

REFERENCES:
patent: 4349889 (1982-09-01), van den Elzen et al.
patent: 4696015 (1987-09-01), Palicot et al.
patent: 4791390 (1988-12-01), Harris et al.

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