Acoustical Imaging

Advanced Systems and Techniques.- Noncoherent Synthetic Aperture Imaging.- Imaging with a 2D Transducer Hybrid Array.- Inferring 3-dimensional animal motions from a set of 1-dimensional multibeam returns.- Development of an Ultrasonic Focusing System Based on the Synthetic Aperture Focusing Technique.- High-Resolution Process in Ultrasonic Reflection Tomography.- Spatial Coherence and Beamformer Gain.- A New Approach for Calculating Wideband Fields.- High-Resolution Acoustic Arrays Using Optimum Symmetrical-Number-System Processing.- Frequency Weighting of Distributed Filtered Backward Propagation in Acoustic Tomography.- Exact Solution of Two-Dimensional Monochromatic Inverse Scattering Problem and Secondary Sources Space Spectrum.- Hausdorff Moments Method of Acoustical Imaging.- A Generalized Inversion of Helmholtz Equation and Its Application to Acoustical Imaging.- Real Time Processing of the Radiofrequency Echo Signal for On-Line Spectral Maps.- Reconstruction of Inner Field By Marchenko-Newton-Rose Method and Solution of Multi-Dimensional Inverse Scattering Problem.- RF Ultrasound Echo Decomposition Using Singular-Spectrum Analysis.- High-Performance Computing in Real-Time Ultrasonic Imaging.- Causality Revisited.- Resolution Analysis of Acoustic Tomographic Imaging with Finite-Size Apertures Based on Spatial-Frequency Coverage.- Radiation Force Doppler Effects on Contrast Agents.- B-Mode Speckle Texture: The Effect of Spatial Coherence.- Extending the Bandwidth of the Pyramidal Detector.- Microscopy and Nondestructive Evaluation.- The Use of a Reference-Beam Detector Applied to the Scanning Laser Acoustic Microscope.- Acoustic Microscopy Evaluation of Endothelial Cells Modulated by Fluid Shear Stress.- Ultrasound Imaging of Human Teeth Using a Desktop Scanning Acoustic Microscope.- The Acoustic Parameters Measurement by the Doppler Scanning Acoustic Microscope.- Quantitative Contact Spectroscopy by Atomic-Force Acoustic Microscopy.- Double Focus Technique for Simultaneous Measurement of Sound Velocity and Thickness of Thin Samples Using Time-Resolved Acoustic Microscopy.- A New Method for 3-D Velocity Vector Measurement Using 2-D Phased Array Probe.- Acoustic Velocity Profiling of a Scattering Medium: Simulated Results.- Ultrasonic Velocity Measurement in Viscoelastic Material Using the Wavelet Transform.- An Ultrasonic Circular Aperture Technique to Measure Elastic Constants of Fiber Reinforced Composite.- Application of Heat Source Model and Green’s Function Approach to NDE of Surface Defects.- Determination of Bonding Properties in Layered Metal Silicon Systems Using Sezawa Wave Modes.- Integral Approximation Method for Calculating Ultrasonic Beam Propagation in Anisotropic Materials.- Elastic Stress Influence on the Propagation of Electromagnetic Waves Through Two-Layered Periodic Dielectric Structures.- Biomedical Applications.- A New System for Quantitative Ultrasonic Breast Imaging of Acoustic and Elastic Parameters.- Determination and Evaluation of the Surface Region of Breast Tumors Using Ultrasonic Echohraphy.- Determination of Ultrasound Backscatter Level of Vascular Structures, with Application to Arterial Plaque Classification.- Investigation of the Micro Bubble Size Distribution in the Extracorporeal Blood Circulation.- A Method for Detecting Echoes from Microbubble Contrast Agents Based on Time Variance.- Analysis of Intravascular Ultrasound (IVUS) Echo Signals for Characterization of Vessel Wall Properties.- In Vivo Study of the Influence of Gravity on Cortical and Cancellous Bone Velocity.- UltrasoundContrast Imaging of Prostate Tumors.- High Resolution Estimation of Axial and Transversal Bloodflow with a 50 MHZ Pulsed Wave Doppler System for Dermatology.- Diffraction Tomography Breast Imaging System: Patient Image Reconstruction and Analysis.- Calibration of the Urturip Technique.- Studies of Bone Biophysics Using Ultrasound Velocity.- Imaging of the Tissue Elasticity Based on Ultrasonic Displacement and Strain Measurements.- System Independent in Vivo Estimation of Acoustical Attenuation and Relative Back Scattering Coefficient of Human Tissue.- Ultrasound Images of Small Tissue Structures Free of Speckle.- Optimization of Non-Uniform Arrays for Farfield Broadside Beamforming.- Hyperthermia Therapy Using Acoustic Phase.- Ultrasonic Broadband Fiber Optic Source for Non Destructive Evaluation and Clinical Diagnosis.- A Study of Signal-To-Noise Ratio of the Fourier Method for Construction of High Frame Rate Images.