Adaptive matched digital filter

Details Adaptive matched digital filter Adaptive matched digital filter

1972-01-12

1977-08-23

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

325 42, 333 18, G06F 1534

Patent

active

040442411

ABSTRACT:
A real time digital filter with its transfer function being matched to a particular signal plus noise condition in a manner that causes the transfer function to adapt to changing signal plus noise conditions. A transversal type of digital filter is disclosed. A general purpose computer calculates coefficients of the filter by continuously monitoring the input signal plus noise in order to maintain the filter's transfer function at an optimum level in view of changing noise conditions.

REFERENCES:
patent: 3508153 (1970-04-01), Gerrish et al.
patent: 3521042 (1970-07-01), Van Blerkom et al.
patent: 3524169 (1970-08-01), McAuliffe et al.
patent: 3597541 (1971-08-01), Proakis et al.
patent: 3633105 (1972-01-01), Lender et al.
patent: 3651316 (1972-03-01), Gibson
patent: 3659229 (1972-04-01), Milton
patent: 3665171 (1972-05-01), Morrow
patent: 3676804 (1972-07-01), Mueller

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