Centre National Detudes Spatiales

Mvg Industries

Ste D'applications Technologiques De L'imagerie Micro-Onde

Microwave Vision

Satimo Industries

Ste D'applications Technologiques De L'imagerie Micro Ondes

Office National D'etudes Et De Recherches Aerospatiales

The European Union, Represented by the European Commission

Flyops

Societe D'applications Technologiques De L'imagerie Micro Ondes

Ste D'applications Technologies De L'imagerie Micro Ondes

Delft University of Technoloty

Satimo

Luc Duchesne

Philippe Garreau

Per Iversen

Arnaud Gandois

Patrick Dumon

Ludovic Durand

Marc Le Goff

Nicolas Gross

Lars Foged

Virginie Tessier

Raphaël Laporte

Jean-Charles Bolomey

Andrea Giacomini

Agathi Fasoula

Juan Carlos Castelli

Nicolas Adnet

Stéphane Thiébaut

Xavier Joussaume

Jean-Marc Baracco

Jérôme Drean

Nicolas Robic

Marc Le Geoff

Jean-Marc Française Baracco

The invention relates to a method for processing medical images of human tissue of an area of a patient's body and in particular of the breast by means of a medical imaging device () comprising a microwave probe array consisting of K>1 probes spaced apart from one another, the array comprising P>1 different configurations defining transmitting probes and receiving probes for one or more position(s) around the area, in which the transmitting probes are configured to transmit microwave signals so as to illuminate an area of the body and the receiving probes are configured to receive microwave signals after scattering and reflection in the area, the probes being capable, in a complementary manner, of being configured to transmit and receive simultaneously.

Method for morphological processing of microwave radar images in the medical field using different hypotheses on the medium through which the microwave signals pass

The invention relates to a method and system for the testing of an antenna comprising a plurality of radiating elements, wherein an array of one or more probes is placed in front of the antenna to be tested, and wherein the following steps are performed: acquisition by the array of one or more probes or by the radiating elements of the antenna under test of an RF signal emitted by the antenna under test or by the array of one or more probe (s), back propagation reconstruction of the signal emitted through a computation of the signal received by the various probes of the array of one or more probes or by the radiating elements of the antenna under test, test of the signal thus reconstructed or of parameters thereof to detect a potential defect of the antenna.

Method and system for the testing of an antenna comprising a plurality of radiating elements

The invention relates to a medical imaging system having microwave emitting antennas and antennas for receiving the electromagnetic field, which are arranged around a space for receiving a human tissue medium to be observed, and comprising: an array () of emitting antennas and an array () of receiving antennas, wherein said two arrays () are independent, and motors capable of angularly rotating and of translating the emitting array () and/or the receiving array () relative to the space under observation, in order to enable the scanning thereof.

Medical imaging system having microwave emission/reception

The invention relates to a communication device for arranging in an aircraft cabin, said device comprising: an antennae assembly designed so as to emit and receive communication data in a first frequency band of a communication network and to receive localization data in a second frequency band of a localization network, said antennae assembly comprising an antenna having a pattern of radiation revolving about a main axis, the radiation being at its maximum in the direction of said main axis, and a system for restraining the radiation, designed to limit the radiation outside said antenna axis; a modem connected to the antenna, designed so as to allow the emission and the reception of communication data via a communication network; and a localization data receiver.

Communication device for an aircraft cabin

The invention relates to a method for electromagnetically testing an object, a method in which electromagnetic radiation is directed by a probe in a predetermined main aiming direction toward a predetermined test point at which the object is located. The invention is characterized in that the probe and a stand for the object are moved relative to one another by a mechanical moving device according to a movement representative of a predetermined angular spread statistic relative to the main aiming direction, in order to generate, by means of the probe, electromagnetic radiation having said predetermined angular spread statistic relative to the main aiming direction.

Method and device for electromagnetically testing an object

The invention relates to a device for the electromagnetic testing of an object, comprising a network of electromagnetic probes, a structure for supporting the network of probes and a support for supporting the object being tested. According to the invention, the structure is closed in the three dimensions of space all around the support for the object being tested by at least one conductive wall forming a Faraday cage which is fitted on its inner side by anechoic electromagnetic absorbers located in the intervals between the probes.

Device for the electromagnetic testing of an object

The invention relates to a device () for determining at least one characteristic of the electromagnetic radiation of an object being tested, and to a probe network (), characterized in that it comprises a means () for sliding said probe network () on itself with a relative offset between the probe network () and the object being tested, that is higher than the pitch of the probe network () in order to carry out measurements along a plurality of relative positions of the probe network () and the object being tested, and to access specific regions of the object being tested; means are provided for positioning, adjusting and aligning the probe network () relative to the object being tested in order to move towards/come to/fit onto the object being tested, and means are provided for the mechanical scanning of the probe network around or in front of the object being tested in order to carry out measurements along spherical, cylindrical or planar shapes.

Device and method for determining at least one value associated with the electromagnetic radiation of an object being tested

This invention relates to a system for emitting electromagnetic beams, comprising a network of elements for the far-field emission of electromagnetic beams, the signals coming from and/or arriving towards each element weighted by excitation coefficients digitally determined by calculation means. According to the invention, the system comprises: a second separate network of sensors arranged close to the network of radiating elements in order to measure the near field radiated by the elements, means for calculating the far field radiated by the network from the near field actually measured by the sensors, and means for calculating the correction of the excitation coefficients of the elements from the difference between the far field calculated from the measurement of the near field and a pre-determined nominal far field.

System for emitting electromagnetic beams, comprising a network of antennae

A device () for the relative positioning of an electromagnetic probe network () and of an object being tested (). The device includes at least a sliding element () to provide for the relative sliding of the object being tested () or of the electromagnetic probe network (), to move the object being tested () or the probe network () along at least one sliding direction included in a plane of the probe network (), and on which is provided a rotation device () for the relative rotation of the object being tested () and of the probe network () about a main rotation axis perpendicular to the sliding direction.

Determination of at least one value associated with the electromagnetic radiation of an object under test

A stacked multi-band antenna for a satellite positioning system comprises a stack of conductive patches, which are each dimensioned so as to be respectively operative in a dedicated frequency band. An excitation line section comprising pairs of conductive strips is arranged underneath the stack of conductive patches. Each pair of conductive strips is adapted for radiatively coupling to an associate conductive patch of the stack of conductive patches. An RF front end with at least one electric circuit is arranged in a triplate section underneath the excitation line section for operatively connecting the pairs of conductive strips to a satellite positioning receiver. The at least one electric circuit includes filters and amplifiers for respectively filtering and amplifying signals from the pairs of conductive strips, during antenna operation.

Multi-band antenna for satellite positioning system

The present invention relates to an orthogonal-mode junction coupler with an ultrabroad bandwidth or a wavelength waveguide noteworthy in that it includes what is called an external conductor () comprising a cavity () in which a central conductor () extends, said central conductor being electrically isolated at radiofrequencies with the external conductor (), said central conductor () being supplied by supply lines () passing through the external conductor () and emerging in the cavity () of said external conductor ().

Orthogonal-mode coupler of the coaxial type having a branched central conductor

The invention relates to a device for controlling a material, the device including at least one transmitter for transmitting an electromagnetic signal at a carrier frequency Fp to illuminate the material and one receiver for receiving the electromagnetic signal, wherein the device further includes a first modulator for modulating the electromagnetic signal at a frequency Fm1, the first modulator being arranged, on the signal path, between the transmitter and the material in order to spatially sample the emitted electromagnetic signal; second modulator for modulating the electromagnetic signal at a frequency Fm2, the second modulator being arranged, on the signal path, between the material and the electromagnetic signal receiver in order to spatially sample the electromagnetic signal passed through the material.

Microwave device for controlling material

The invention relates to an antenna that produces a radiation pattern that is axisymmetric about a geometrical axis (X) and exhibits a radiation maximum in a plane perpendicular to the direction of said X axis that includes a feed wire extending along said axis (X) from a first end situated level with a conducting surface forming an earth plane of the antenna to a second end that feeds a set of N radiating strands, N being an integer, characterized in that it also includes at least one earth return rod for the strands, said rod linking one of the radiating strands of the set to the earth plane.

Circularly or linearly polarized antenna

The invention relates to a device for controlling the specific absorption rate of mass-produced radiant objects. The inventive device is characterized in that it comprises: at least one sensor for measuring a power radiated by an object which is located in the zone, and at least one processing unit for analyzing the power thus measured. The aforementioned sensor consist of a waveguide comprising an opening which is disposed opposite the test zone and at least one measuring probe which is disposed inside the waveguide.

Device for controlling the specific absorption rate of mass-produced radiant objects

An apparatus for studying the electromagnetic behavior of an electromagnetic wave-emitting or electromagnetic wave-receiving tool is provided. An anechoic chamber is configured to receive the tool as well as a person handling the tool. At least one analysis antenna is configured to pick-up the electromagnetic waves emitted from or received by the tool. Signals outputted by the analysis antenna are processed, and a radiation diagram associated with the electromagnetic tool is displayed. The radiation diagram is displayed inside the anechoic chamber so that the person handling the electromagnetic tool observes how the handling of the tool affects its electromagnetic behavior.

Growing community of inventors

Angervilliers, France

Luc Duchesne