A MULTIPLE LINE ENHANCER

Zou Hongxing; Zhou Xiaobo; Li Yanda

Volume 22 Issue 2

Mar. 2000

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Article Navigation > Journal of Electronics & Information Technology > 2000 > 22(2): 226-232

Zou Hongxing, Zhou Xiaobo, Li Yanda. A MULTIPLE LINE ENHANCER[J]. Journal of Electronics & Information Technology, 2000, 22(2): 226-232.

Citation:

Zou Hongxing, Zhou Xiaobo, Li Yanda. A MULTIPLE LINE ENHANCER[J]. Journal of Electronics & Information Technology, 2000, 22(2): 226-232.

Zou Hongxing, Zhou Xiaobo, Li Yanda. A MULTIPLE LINE ENHANCER[J]. Journal of Electronics & Information Technology, 2000, 22(2): 226-232.

Citation:

Zou Hongxing, Zhou Xiaobo, Li Yanda. A MULTIPLE LINE ENHANCER[J]. Journal of Electronics & Information Technology, 2000, 22(2): 226-232.

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A MULTIPLE LINE ENHANCER

Received Date: 1998-04-09
Rev Recd Date: 1999-06-21
Publish Date: 2000-03-19

Abstract

Abstract

A general difficulty of using singular value decomposition (SVD) to split signal and noise subspaces is in the right choice of effective rank. The commonly used method toward this end is to use a fixed threshold. Yet despite its apparent physical significance, the lack of adaptability has strongly limited the popularity of subspace approach in line enhancement. In order to surmount this drawback, a cluster method based algorithm for determining the effective rank is proposed in accordance with the a priori information obtained from the time-frequency distribution of the noisy sinusoids. Simulation results show that the methodology advocated is effective for solving a class of multiple line enhancement problems.

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References(1)

References

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