Robust Adaptive Beamforming Imaging Approach for Stepped-Frequency through-the-Wall Radar

Shu Ming Li; Xian Feng Liu

doi:10.4028/www.scientific.net/AMM.130-134.45

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An Improved High-Accuracy CORDIC Algorithm for DSC in Endoscopic Ultrasonography System
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Robust Adaptive Beamforming Imaging Approach for Stepped-Frequency through-the-Wall Radar
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Study on Multi-Crystalline Silicon Textured by Ultrasound
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Robust Adaptive Beamforming Imaging Approach for...

Robust Adaptive Beamforming Imaging Approach for Stepped-Frequency through-the-Wall Radar

Abstract:

A robust Capon adaptive beamforming imaging method was proposed for stepped-frequency through-the-wall radar. According to the ideal of robust Capon beamforming (RCB) under the steering vector uncertainty set, Capon optimal weight vector in frequcency domain is obtained by accurately estimating Compensation function vector. Then signal energy is estimated by freqency weighting, and coherence factor (CF) weighting is applied to suppress sidelobe level. Therefore, this method not only achieves higher resolution and much better interference suppression capabilities, but also improves imaging contrast.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

45-49

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.45

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Online since:

October 2011

Authors:

Shu Ming Li, Xian Feng Liu

Keywords:

Contrast, Stepped-Frequency Radar, Through-the-Wall Imaging, Wideband RCB

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References

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