Segmented transversal filter

Details Segmented transversal filter Segmented transversal filter

1983-09-12

1987-03-10

Malzahn, David H.

Boots, shoes, and leggings

G06F 1531, H03H 1500

Patent

active

046495070

ABSTRACT:
A segmented digital transversal filter comprising a first transversal filter 4 that eliminates all frequency components from a signal sequence above half the subsampling frequency, a second transversal filter 11 that convolutes the output of the first filter with a decimated and energy compensated lower band of filter coefficients (HI.sub.1 '), a third transversal filter 22 that convolutes the output of the first filter and a decimated and energy-compensated upper band of filter coefficients (HI.sub.2 '), and a fourth transversal filter 32 that convolutes the original signal sequence and the central band of filter coefficients (HI.sub.3). Delays 21 and 31 are added so that the outputs of the second, third and fourth filters arrive concurrently at an adder 51, the sum being the output of the invention.

REFERENCES:
patent: 4377793 (1983-03-01), Horna
patent: 4475211 (1984-10-01), Mattis, Jr. et al.
patent: 4524424 (1985-06-01), White

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