MSE variable step adaptive filter

Details MSE variable step adaptive filter MSE variable step adaptive filter

1982-07-01

1988-12-13

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Time domain filters

333 17R, 333174, 364725, 36472417, 36472419, 375 16, H03H 1500, H03H 1704

Patent

active

047913908

ABSTRACT:
A very rapidly converging adaptive filter which uses a variable scale factor for each weight of the filter. The value of the variable scale factor is chosen for each iteration and is based upon the sign changes of the incremental weight change. The variable scale factor exhibits large values when no sign changes occur and smaller values when sign changes occur. The new filter provides considerable improvement in increase of convergence rate and decrease in residual errors even in the presence of heavy noise while requiring only a modest increase in hardware.

REFERENCES:
patent: 4038536 (1977-07-01), Feintuch
patent: 4052559 (1977-10-01), Paul et al.
patent: 4238746 (1980-12-01), McCool et al.
patent: 4349889 (1982-09-01), van den Elzen et al.

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