Intermittent Intensity Clutter Removal of Wind Profiling Radar Based on FrFT

Jia Qiang Li; Xian He Qin; Yin Sheng Zhang

doi:10.4028/www.scientific.net/AMM.130-134.2094

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Intermittent Intensity Clutter Removal of Wind...

Intermittent Intensity Clutter Removal of Wind Profiling Radar Based on FrFT

Abstract:

Intermittent intensity clutter in wind profiling radar severely interferes with the identification and spectrum estimation of atmospheric echo signals. In order to remove such clutter, a method based on Fractional Fourier transform (FrFT) is presented. The proposed method makes use of energy concentration property of intermittent clutter in fractional Fourier frequency domain. Not only the intermittent intensity clutter can be removed in the fractional Fourier frequency domain by using a narrow band-stop filter, but also the atmospheric signal in the time domain can be reconstructed after removing the clutter. Computer simulations have verified the effectiveness of the method.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

2094-2097

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.2094

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Online since:

October 2011

Authors:

Jia Qiang Li, Xian He Qin, Yin Sheng Zhang

Keywords:

Fractional Fourier Transform (FrFT), Intermittent Intensity Clutter, Wind Profiling Radar

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References

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