Application of High-order Statistics Method in Harmonic Retrieval

doi:10.3969/j.issn.1006-2475.2011.06.028

Computer and Modernization ›› 2011, Vol. 1 ›› Issue (6): 100-3.doi: 10.3969/j.issn.1006-2475.2011.06.028

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Application of High-order Statistics Method in Harmonic Retrieval

DUAN Wei¹, LU Xiang-yang²

1.School of Mathematics and Computer Science, Jiangxi Science & Technology Normal University, Nanchang 330013, China; 2.School of Electric and Information Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China

Received:2011-03-31 Revised:1900-01-01 Online:2011-06-29 Published:2011-06-29

Abstract

Abstract: Harmonic retrieval is an important problem of signal processing. Harmonic retrieval is various order harmonic which make up of signal in noise. Noise can be classified as additive noise and multiplicative noise. This paper analyses the characteristics of additive noise and multiplicative noise, and proposes using highorder statistics to restrain noise and to retrieve harmonic. Uses the slice of four order statistics to restrain multiplicative noise and two order cumulative spectrum to restrain additive noise. The simulation results show this way has very good effect of restraining noise.

Key words: harmonic wave retrieval, highorder statistics, noise

DUAN Wei;LU Xiang-yang. Application of High-order Statistics Method in Harmonic Retrieval[J]. Computer and Modernization, 2011, 1(6): 100-3.

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Application of High-order Statistics Method in Harmonic Retrieval

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