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Jean-François Zürcher

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Publications associées (64)

Design of antenna based microwave sensors for blade tip clearance measurement in gas turbine

Anja Skrivervik, Jean-François Zürcher, Maddalena Violetti

Real time tip clearance measurement in gas turbines and other rotating machinery is an interesting way to provide enhanced reliability, cost effective maintenance and more overall safety. This paper presents a novel microwave sensor for blade tip clearance ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

On Measuring Polarization Ellipticities with a new Compact Broadband Rotary Joint

Jean-François Zürcher

2010

Omnidirectional pulse dispersion of planar circular monopoles

Anja Skrivervik, Jean-François Zürcher, Gabriela Quintero Diaz De Leon

Three antenna systems, composed of circular monopoles with different ground plane sizes, are studied. The transmission of an UWB pulse between two identical monopoles is analyzed. The omnidirectional properties of the UWB antennas are measured and simulate ...

2009

3D-spiral small antenna for biomedical transmission operating within the MICS band

Juan Ramon Mosig, Anja Skrivervik, Jean-François Zürcher, Francesco Merli

2009

Broadband cloaking of selected objects in the microwave regime with a volumetric cloak comprising layered networks of transmission lines

Juan Ramon Mosig, Jean-François Zürcher, Frédéric Bongard

2009

Experimental verification of broadband cloaking using a volumetric cloak composed of periodically stacked cylindrical transmission-line networks

Juan Ramon Mosig, Jean-François Zürcher, Frédéric Bongard

Cloaking using a volumetric structure composed of stacked two-dimensional transmission-line networks is verified with numerical simulations and measurements. The measurements are done in a waveguide, in which an array of metal cylinders is inserted causing ...

AIP American Institute of Physics2009

Impact of substrate permittivity on the performance of UWB monopoles

Anja Skrivervik, Jean-François Zürcher, Gabriela Quintero Diaz De Leon

The effect of substrate permittivity on UWB antenna radiation is studied. Microstrip and CPW-fed UWB monopoles are designed using substrates with different dielectric constants. The radiation patterns are measured. The transfer function of a two identical ...

Ieee Service Center2009

3D-Spiral small antenna design and realization for biomedical telemetry in the MICS band

Juan Ramon Mosig, Anja Skrivervik, Jean-François Zürcher, Francesco Merli

This work presents the design and realization procedure of small implantable antenna for biotelemetry applications. The radiator occupies a volume smaller than 3 cm(3) (without its biocompatible insulation), is well matched within the Medical Implanted Com ...

2009

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Jean-François Zürcher

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Design of antenna based microwave sensors for blade tip clearance measurement in gas turbine

On Measuring Polarization Ellipticities with a new Compact Broadband Rotary Joint

Omnidirectional pulse dispersion of planar circular monopoles

3D-spiral small antenna for biomedical transmission operating within the MICS band

Broadband cloaking of selected objects in the microwave regime with a volumetric cloak comprising layered networks of transmission lines

Experimental verification of broadband cloaking using a volumetric cloak composed of periodically stacked cylindrical transmission-line networks

Impact of substrate permittivity on the performance of UWB monopoles

3D-Spiral small antenna design and realization for biomedical telemetry in the MICS band

Analysis, design and realization of a novel directive ultra-wideband antenna

Terminal antenna design

Electrically small antennas design

15 years of terminal antenna design at LEMA: an overview

Broadband high gain small array antenna for high altitude platforms applications

Design of a directive ultra-wideband antenna

Miniature antenna design at LEMA

Broadband small array antenna for high altitude platforms communication

Extreme filtering applied to a microwave harmonic direction finding system

A very low-cost system for photoresist coating of microwave substrate boards for educational purposes

Use of the harmonic direction finder to study the terrestrial habitats of the European tree frog (Hyla arborea)

A new microwave harmonic direction finding system for localization of small mobile targets using passive tags