|Table of Contents|

Adaptive Lifting Scheme Based on Orthogonal Polynomials

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2009年03期
Page:
307-311
Research Field:
Publishing date:

Info

Title:
Adaptive Lifting Scheme Based on Orthogonal Polynomials
Author(s):
YANG Han-sheng12KONG Kun-peng1XU Lei1YANG Cheng-wu2
1.Department of Physics and Electronics,Chaohu College,Chaohu 238000,China;2.School of Power Engineering,NUST,Nanjing 210094,China
Keywords:
lifting scheme predictive control adaptive algorithms orthogonal polynomials
PACS:
TN911
DOI:
-
Abstract:
To determine the prediction and updated parameters of lifting scheme,this paper takes the sum of squared detail components as an objective function,and designs predictors based on orthogonal polynomial,so that the prediction parameter can represent the features of the given data.An optimal predictor and an optimal updater are chosen for the transforming sample according to the magnitude of the correlation factors,so the lifting scheme can fit the change of original signal better.The theory and simulation results demonstrate that the filtering performance of adaptive lifting scheme based on orthogonal polynomials is better than that based on general fitting method and traditional wavelet db5,especially with low signal-to-noise ratio.

References:

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Last Update: 2012-11-19