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News - latest health and medical articles page 39
We are constant indexing the latest records available from the health abstracts databases, while also increasing the records from historical publications.
Membrane analogy of the Stevens-Tiersten equation for essentially thickness modes in plate quartz resonators. (29-Jun-2008)
The peculiarities of propagation of the backward acoustic waves in piezoelectric plates. (29-Jun-2008)
Excitation of acoustic waves from cylindrical polyvinylidene fluoride (PVDF) film confined in a concentric wall. (29-Jun-2008)
Maximum accuracy evaluation scheme for wireless saw delay-line sensors. (29-Jun-2008)
Analysis of rosen piezoelectric transformers with a varying cross-section. (29-Jun-2008)
Short- and long-term stability of resonant quartz temperature sensors. (29-Jun-2008)
Viscoelastic parameter estimation based on spectral analysis. (29-Jun-2008)
Monitored steady-state excitation and recovery (MSSER) radiation force imaging using viscoelastic models. (29-Jun-2008)
Adaptive clutter filtering based on sparse component analysis in ultrasound color flow imaging. (29-Jun-2008)
Multifunctional catheters combining intracardiac ultrasound imaging and electrophysiology sensing. (29-Jun-2008)
Parallel integral projection transform for straight electrode localization in 3-D ultrasound images. (29-Jun-2008)
Functionally graded piezoelectric materials for modal transducers for exciting bulk and surface acoustic waves. (29-Jun-2008)
The measurement of broadband ultrasonic attenuation in cancellous bone--a review of the science and technology. (29-Jun-2008)
Ultrasound and the biomechanical competence of bone. (29-Jun-2008)
The clinical use of quantitative ultrasound (QUS) in the detection and management of osteoporosis. (29-Jun-2008)
A new quality of bone ultrasound research. (29-Jun-2008)
Application of the Biot model to ultrasound in bone: inverse problem. (29-Jun-2008)
Application of the biot model to ultrasound in bone: direct problem. (29-Jun-2008)
Exploration of trabecular bone nonlinear elasticity using time-of-flight modulation. (29-Jun-2008)
Sensitivity of qus parameters to controlled variations of bone strength assessed with a cellular model. (29-Jun-2008)
Effects of structural anisotropy of cancellous bone on speed of ultrasonic fast waves in the bovine femur. (29-Jun-2008)
A method for improved standardization of in vivo calcaneal time-domain speed-of-sound measurements. (29-Jun-2008)
Influence of density, elasticity, and structure on ultrasound transmission through trabecular bone cylinders. (29-Jun-2008)
Simplified inverse filter tracking algorithm for estimating the mean trabecular bone spacing. (29-Jun-2008)
Ultrasonic scattering from cancellous bone: a review. (29-Jun-2008)
Microelastic imaging of bone. (29-Jun-2008)
High frequency coded imaging system with RF. (30-Jul-2008)
Characterization of a broadband all-optical ultrasound transducer-from optical and acoustical properties to imaging. (30-Jul-2008)
Sound shielding by a piezoelectric membrane and a negative capacitor with feedback control. (30-Jul-2008)
A coupled analytical model for hydrostatic response of 1-3 piezocomposites. (30-Jul-2008)
Inline SAW RFID tag using time position and phase encoding. (30-Jul-2008)
Elastic wave propagation in a microstructured acoustic fiber. (30-Jul-2008)
A self-running standing wave-type bidirectional slider for the ultrasonically levitated thin linear stage. (30-Jul-2008)
A novel approach to acoustic liquid density measurements using a buffer rod based measuring cell. (30-Jul-2008)
Acoustic methods for obtaining the pressure reflection coefficient from a buffer rod based measurement cell. (30-Jul-2008)
Wave equation-based imaging of mode converted waves in ultrasonic NDI, with suppressed leakage from nonmode converted waves. (30-Jul-2008)
Fast parametric beamformer for synthetic aperture imaging. (30-Jul-2008)
Estimating 2-D vector velocities using multidimensional spectrum analysis. (30-Jul-2008)
High frame-rate blood vector velocity imaging using plane waves: simulations and preliminary experiments. (30-Jul-2008)
Distortion-free delta-sigma beamforming. (30-Jul-2008)
Imaging with concave large-aperture therapeutic ultrasound arrays using conventional synthetic-aperture beamforming. (30-Jul-2008)
Up-converted 1/f PM and AM noise in linear HBT amplifiers. (30-Jul-2008)
Dedicated finite elements for electrode thin films on quartz resonators. (30-Jul-2008)
Lead-free piezoelectric-metal-cavity (PMC) actuators. (30-Jul-2008)
A thickness mode acoustic wave sensor for measuring interface stiffness between two elastic materials. (30-Jul-2008)
Design and implementation of high frequency ultrasound pulsed-wave Doppler using FPGA. (30-Aug-2008)
Broadband piezoelectric energy harvesting devices using multiple bimorphs with different operating frequencies. (30-Aug-2008)
Lateral RF image synthesis using a synthetic aperture imaging technique. (30-Aug-2008)
Nonlinear characteristics of a circular plate piezoelectric harvester with relatively large deflection near resonance. (30-Aug-2008)
Computationally efficient spline-based time delay estimation. (30-Aug-2008)
Equivalent circuit for broadband underwater transducers. (30-Aug-2008)
Real-time 3-D ultrasound guidance of interventional devices. (30-Aug-2008)
Evaluation of wafer bonded CMUTs with rectangular membranes featuring high fill factor. (30-Aug-2008)
A lumped-circuit model for the radiation impedance of a circular piston in a rigid baffle. (30-Aug-2008)
Simulation of piezoelectric excitation of guided waves using waveguide finite elements. (30-Aug-2008)
Equivalent circuit modeling of coupled resonator filters. (30-Aug-2008)
Modified mason model for bulk acoustic wave resonators. (30-Aug-2008)
Friction drive of an SAW motor. Part II: analyses. (30-Aug-2008)
Friction drive of an SAW Motor. Part I: measurements. (30-Aug-2008)
A system for magnetostrictive transduction of guided waves in fluid-filled pipes of small diameter. (30-Aug-2008)
The power flow angle of acoustic waves in thin piezoelectric plates. (30-Aug-2008)
Limited-angle spatial compound imaging of skin with high-frequency ultrasound (20 MHz). (30-Aug-2008)
Harmonic motion detection in a vibrating scattering medium. (30-Aug-2008)
Image quality evaluation with a new phase rotation beamformer. (30-Aug-2008)
Sigma-delta receive beamformer based on cascaded reconstruction for ultrasound imaging application. (30-Aug-2008)