Preservation of quadrature Doppler signa
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Yufeng Zhang; Xinling Shi; Kexin Zhang; Jianhua Chen
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Article
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2009
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Elsevier Science
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English
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A novel approach based on the phasing-filter (PF) technique and the empirical mode decomposition (EMD) algorithm is proposed to preserve quadrature Doppler signal components from bidirectional slow blood flow close to the vessel wall. Bidirectional mixed Doppler ultrasound signals, which were echoed