Exterior Ballistic Data Processing by SVD and Wavelet Transform

Yu Hua Dong; Hai Chun Ning

doi:10.4028/www.scientific.net/AMR.562-564.1394

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 562-564Exterior Ballistic Data Processing by SVD and...

Exterior Ballistic Data Processing by SVD and Wavelet Transform

Abstract:

This paper proposes a method of wavelet transform combined with SVD (Singular Value Extracting), and the abnormal data elimination in its trajectory measurement is studied. After the wavelet decomposition of the observed data, combining the approximate component and the detail component, the phase space is reconstructed. The increment criterion of singular entropy is used for the input observed matrix of SVD, and the singular value is selected. Then the original signal is reconstructed by SVD inverse transform. This method overcomes the distortion problem of data end in phase space reconstruction by Hankel matrix. The reconstructed phase space by components of wavelet decomposition is orthogonal. So it further improves the accuracy of noise reduction and abnormal detection by SVD. The results of experimental data processing show the effectiveness of this method proposed in the paper.

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Periodical:

Advanced Materials Research (Volumes 562-564)

Pages:

1394-1397

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.562-564.1394

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Online since:

August 2012

Authors:

Yu Hua Dong, Hai Chun Ning

Keywords:

Abnormal Data Elimination, Phase Space Reconstruction, SVD, Wavelet Transform (WT)

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