Sunday 30 August 2015

DSP Tech Brief : Adaptive Filters

The most common adaptive filters are of the FIR type, particularly the Least Mean Square (LMS) adaptive filter.

The LMS filter configuration and adaptation equations are shown in the following diagrams :

The following diagram shows a plot of X^2 gainst Y^2 i.e. the adaptation surface of a 2 tap filter :

This algorithm is included in the SigLib DSP Library.

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Numerix-DSP Libraries :

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