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Adaptive filtering using the fast Walsh-Hadamard transformation

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1 Author(s)
Boules, R.N. ; Math. Dept., Catholic Univ. of America, Washington, DC, USA

A fast implementation of the least-mean-square error (LMS) adaptive transversal filter is proposed. The fast Walsh-Hadamard transform technique is adopted in this implementation. This filter is shown to promise a significant reduction in computation over both the conventional time-domain and the frequency-domain LMS adaptive filters

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Electromagnetic Compatibility, IEEE Transactions on  (Volume:31 ,  Issue: 2 )