Arrangement having a non-recursive filter

Details Arrangement having a non-recursive filter Arrangement having a non-recursive filter

H - Electricity

03

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328/0.5

H03H 17/06 (2006.01) H04L 25/03 (2006.01)

Patent

CA 1152577

PHN 9519 23 10-6-1980 ABSTRACT "Arrangement having a non-recursive filter." Arrangement having a non-recursive filter and device for weighting a sequence of delayed versions of the input signal in accordance with a sequence of co- efficient which are each adjusted iteratively by positive and negative correction steps, respectively, with variable step-sizes, the step-size parameter being selected for each iteration and for each coefficient by means of a run-length detector to which the sign of each correction step is applied and which selects a larger or a smaller step-size parameter depending on the number of correction steps having the same sign and preceding the relevant iteration. Use: echo canceller, equalizer.

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