A Novel Phase Distortion Correction Method Based on Temporal Correlation Matrix

Yan Cui; Yin Sheng Wei; Xiao Guo Song; Rong Qing Xu

doi:10.4028/www.scientific.net/AMM.58-60.1258

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 58-60A Novel Phase Distortion Correction Method Based...

A Novel Phase Distortion Correction Method Based on Temporal Correlation Matrix

Abstract:

Since the existence of the ionosphere contamination, results of high-frequency radar has been greatly affected. This paper addresses a new method based on temporal correlation matrix to correct phase distortion for HF sky-wave radars. Strong point echoes, such as target, clutter, transponder and so on, which are highly temporal correlated, can be used to structure temporal correlation matrix. And the matrix contains angles of echoes and phase distortions information. In this paper, we use two-dimension FFT to estimate angle of strong point echo, and then obtain the corrections. Computer simulations are conducted to show the validity of the new method, and some of performances of PGA were compared.

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Periodical:

Applied Mechanics and Materials (Volumes 58-60)

Pages:

1258-1263

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.58-60.1258

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Online since:

June 2011

Authors:

Yan Cui, Yin Sheng Wei, Xiao Guo Song, Rong Qing Xu

Keywords:

HF Radar, Ionosphere Perturbation, Temporal Correlation Matrix

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References

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