Concept

Mechanical filter

Related publications (259)

Investigation of a Cable Transmission for the Actuation of MR Compatible Haptic Interfaces

Hannes Bleuler, Dominique Chapuis, Roger Gassert, Etienne Burdet, Ganesh Gowrishankar

This paper investigates a cable transmission to remotely actuate MR compatible robots over a distance of several meters. Such a transmission could be an interesting solution for haptic interfaces for neuroscience studies performing force feedback during fu ...

2006

Steady-State Performance of Convex Combinations of Adaptive Filters

Ali H. Sayed

Combination approaches can improve the performance of adaptive schemes. In this paper, we study the steady-state performance of an adaptive convex combination of transversal filters and show its universality in the sense that the combination performs, in s ...

IEEE2005

Bandpass filters for 8 GHz using solidly mounted bulk acoustic wave resonators

Paul Muralt, Roman Lanz

Frequency shift, design, and fabrication issues have been investigated for the realization of 8 GHz handpass filters based on AlN thin film bulk acoustic wave resonators. Fabrication includes well-textured AlN thin films on Pt (111) electrodes and SiO2/AlN ...

2005

Tracking properties of a convex combination of two adaptive filters

Ali H. Sayed

Combination approaches provide a useful way to improve adaptive filter performance. In this paper, we study the tracking performance of an adaptive convex combination of two transversal filters. The individual filters are independently adapted using their ...

IEEE2005

Correlation between dielectric anisotropy and positive or zero transverse piezoelectric coefficients in perovskite ferroelectric single crystals

Nava Setter, Dragan Damjanovic, Matthew Davis

The transverse piezoelectric coefficient (d(31)(star)) has been calculated for tetragonal barium titanate (BT) and lead titanate (PT) cut along nonpolar axes, over a range of temperatures, using the phenomenological Landau-Ginzburg-Devonshire theory. It is ...

2005

Nonlinear isochrones in murine left ventricular pressure-volume loops: how well does the time-varying elastance concept hold?

Nikolaos Stergiopoulos, Patrick Segers, Nico Westerhof

The linear time-varying elastance theory is frequently used to describe the change in ventricular stiffness during the cardiac cycle. The concept assumes that all isochrones (i.e., curves that connect pressure-volume data occurring at the same time) are li ...

2005

Piezoelectric properties of Li- and Ta-modified (K0.5Na0.5)NbO3 ceramics

Nava Setter, Dragan Damjanovic, Matthew Davis, Evelyn Hollenstein

Lead-free, potassium sodium niobate piezoelectric ceramics substituted with lithium (K0.5-x/2,Na0.5-x/2,Li-x)NbO3 or lithium and tantalum (K0.5-x/2,Na0.5-x/2,Li-x)(Nb1-y,Ta-y)O-3 have been synthesized by traditional solid state sintering. The compositions ...

2005

Domain engineering of the transverse piezoelectric coefficient in perovskite ferroelectrics

Nava Setter, Dragan Damjanovic, Matthew Davis

The transverse piezoelectric coefficient d(31)*, has been calculated for the six domain-engineered structures occurring in perovskite single crystals, using data for rhombohedral PMN-33PT [0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3)], orthorhombic potassium niobate ...

2005

Mechanical behaviour of nanocrystalline electrodeposited Ni above room temperature

Philippe Spätig, Helena Van Swygenhoven, Robin Schäublin, Florian Dalla Torre

Tensile properties and microstructure of Danocrystalline electrodeposited Ni at temperatures between room temperature and 330&DEG; C are presented. Above 300&DEG; C low flow stress and high tensile elongation are observed along with grain growth and segreg ...

2005

Piezoelectric thin films for bulk acoustic wave resonator applications

Roman Lanz

Bandpass filters for microwave frequencies realized with thin film bulk acoustic wave resonators (FBAR) are a promising alternative to current dielectric or surface acoustic wave filters for use in mobile telecommunication applications. With equivalent per ...

EPFL2004

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