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发帖数: 2661 | 1 DSP conference
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paper 1
on Decision Feedback Equalizers (DFE) are used to
eliminate the effect of Inter Symbol Interference (ISI) in band
limited channels. The Recursive Least Squares (RLS) is one of
the algorithms that are used to update the coefficients of the
equalizer due to its fast convergence. However, its complexity is
in the order of O(N2) multiplication per iteration. Fast fixed
order algorithms are used to solve the RLS algorithm using
explicit set of equations. Therefore their complexity is in the
order of O(N). However, divisions are needed to perform these
algorithms, making it difficult to choose the one with lower
computational cost. In this paper a new metric is proposed
to calculate a weight score for any algorithm. To verify the
validity of the proposed metric, the algorithms are compared
by a recent study of RLS based on Decent Coordinate Descent
(DCD) iterations using computer simulation. In addition, a new
method to optimize the weight score is proposed, by using
multiplicative techniques to perform divisions required for the
fast fixed algorithms. Results have been verified by implementing
a DFE on Field Programmable Gate Array(FPGA)1.
paper 2 on biometrics ; heart sounds biometry ; novel
biometrics ; PCG
paper 3 on writer identification; pattern classification; plane
curvature; curve fitting; dating ancient inscriptions; dating
Byzantine codices; contours similarity |
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