Introduction An adaptive filter is defined as a self-designing system that relies for its operation on a recursive algorithm, which makes it possible for the filter to perform satisfactorily in an environment where knowledge of the relevant statistics is not available. Adaptive filters

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Digital signal processing (DSP) has been a major player in the current technical advancements such as noise filtering, system identification, and voice prediction. Standard DSP techniques, however, are not enough to solve these problems quickly and obtain acceptable results. Adaptive filtering

. In this paper, the adaptive filtering method is introduced and analysed. This method leads to robust algorithms for the solution of systems of linear equations which arise from the discretisation of partial differential equations with strongly varying coefficients. These iterative algorithms

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This paper presents a common framework for subband doubletalk detectors. Within this framework a number of lowcomplexity subband doubletalk detectors are evaluated in comparison with a corresponding fullband detector. The evaluation is performed by using real-data off-line calculations. The evaluation indicates that the subband approach significantly improves the performance.

by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract—Regularization plays a fundamental role in adaptive filtering. An adaptive filter that is not properly regularized will perform very poorly. In spite of this, regularization in our opinion is underestimated and rarely discussed in the literature of adap-tive filtering. There are, very

scheme. Then, the continuously split procedure is introduced and the multi-split adaptive filter is derived. It is also shown that such structure can be viewed as a Hadamard-domain adaptive filter when the number of coefficients is set to a power of two. Simulation results obtained with the normalized

this report. Further generalization could provide a link between partially adaptive STAP architectures and filterbank adaptive filters. There is already some work being done to incorporate filter banks into PSTAP.