Subspace-Based Blood Power Spectral Capon Combined with Wiener Postfilter to Provide a High-Quality Velocity Waveform with Low Mathematical Complexity

Keyphrases

• Capon 100%
• Velocity Waveform 100%
• Subspace Methods 100%
• Wiener Filter 100%
• Power Spectral 100%
• Spectral Estimator 33%
• Weight Vector 33%
• Computation Complexity 33%
• Doppler Examination 16%
• Weighting Factor 16%
• Velocity Estimation 16%
• Observation Window 16%
• Welch Method 16%
• Power Spectrum 16%
• Flow Angle 16%
• Computational Load 16%
• In Vivo Data 16%
• Final Weight 16%
• Relative Standard Deviation 16%
• Signal-to-noise 16%
• Axial Velocity 16%
• Relative Bias 16%
• Velocity Distribution 16%
• Power Spectral Density 16%
• Maximum Velocity 16%
• Window Size 16%
• Computational Complexity 16%
• Robust Performance 16%
• RF Leakage 16%
• Integrated Power 16%
• Matrix Inversion 16%
• Number of Rows 16%
• Desired Signal 16%
• Adaptive Technique 16%
• Data Covariance Matrix 16%
• Power Spectral Density Estimation 16%
• Scatterer 16%

Engineering

• Power Spectral Density 100%
• Weight Vector 100%
• Computation Complexity 100%
• Covariance Matrix 50%
• Weighting Factor 50%
• Flow Rate 50%
• Axial Velocity 50%
• Power Spectra 50%
• Density Estimate 50%
• Computational Complexity 50%
• Desired Signal 50%
• Final Weight 50%
• Scatterer 50%
• Observation Window 50%