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Block Adaptive Filter With Time-Domain Update Using Three Transforms

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1 Author(s)
Narasimha, M.J. ; Stanford Univ., CA

Implementation of real signal block adaptive filters with time-domain update using three fast Fourier transforms (FFTs) is delineated. The reduction from five to three FFTs is achieved by combining the required convolution and correlation operations into a single complex filtering process. The proposed method requires fewer additions than the conventional five FFT solution. It also has a more elegant architecture that is simpler to implement in hardware or software

Published in:

Signal Processing Letters, IEEE  (Volume:14 ,  Issue: 1 )