IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

La présente invention concerne un dispositif d'imagerie (1) comprenant : - un premier capteur ou ensemble de capteurs hyperfréquences (2), de préférence radiométriques, chaque capteur hyperfréquence (2) étant configuré pour capter des rayonnements électromagnétiques émis ou réfléchis par des corps ou objets situés dans une zone de détection dudit capteur hyperfréquence (2), et - un moyen réfléchissant (6) configuré pour réfléchir les rayonnements électromagnétiques pouvant être captés par le premier capteur ou ensemble de capteurs hyperfréquences (2). En particulier, le moyen réfléchissant (6) est monté mobile dans la zone de détection de chaque capteur hyperfréquence (2), de manière à déplacer ladite zone de détection par déplacement du moyen réfléchissant (6). L'invention concerne également un procédé d'imagerie hyperfréquence correspondant.

IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

ADAPTOR Of AUTOMATIC IMPEDANCE COAXIAL

La présente invention se rapporte à un adaptateur d'impédance coaxial caractérisé en ce qu'il comporte deux sondes (« slugs ») et ne présente qu'un mouvement de translation latéral suivant l'axe Ox.Le principe du tuner double slugs est basé sur le déplacement de deux bouts de ligne d'impédance caractéristique différente de 50 Omega à l'intérieur d'un cylindre fermé de part et d'autre par des connecteurs standard. The present invention relates to a coaxial impedance adapter characterized in that it comprises two probes ("slugs") and has only a lateral translational movement along the axis Ox.The principle of the double slug tuner is based on the displacement of two ends of characteristic impedance line different from 50 Omega inside a closed cylinder on both sides by standard connectors.

ADAPTOR Of AUTOMATIC IMPEDANCE COAXIAL

Wine bottle

AUTOMATIC AERIAL MATCHING TRANSFORMER COMPACT OUT OF GUIDE Of WAVE

La présente invention se rapporte à un adaptateur d'impédance compact et automatique en guide d'onde, caractérisé en ce que l'impédance est contrôlée par des plongeurs, remplissant la totalité du guide d'un té magique plan E/ plan H modifiant le champ électrique et magnétique, un plongeur modifiant le champ électrique (E) dans le guide et le second modifiant le champ magnétique (H).

Coaxial automatic impedance adaptor

The invention concerns a coaxial automatic impedance adaptor characterized in that it comprises two slugs and has only a lateral translational movement along an axis Ox. The double slug tuner principle is based on the movement of two line segments of different characteristics of 50 O inside a closed cylinder on either side of standard connectors.

PORTABLE MICROWAVE FREQUENCY IMAGING DEVICE, SYSTEM COMPRISING SUCH A DEVICE AND CORRESPONDING IMAGING METHOD

The present invention provides a portable imaging device comprising a housing and a microwave sensor mounted in the housing . The device also comprises first connection means for connecting the imaging device to movement measuring means , and second connection means for connecting the imaging device to a processor unit 114-. (canceled)15. A portable imaging device comprising a housing and at least one microwave sensor mounted in the housing , the microwave sensor being configured to pick up electromagnetic radiation emitted or reflected by a body or an item in a detection zone of the microwave sensor , and to transform it into a first signal that is representative of said radiation; first connector configured to connect the imaging device to movement measurement unit, the movement measurement unit being configured to deliver a second signal that is representative of the movement of the detection zone; and', 'second connector configured to connect the imaging device to a processor unit, the processor unit receiving, as input, the first signal and the second signal, and being configured to form a microwave image that is constituted by pixels; and, 'wherein the device also comprises detecting, from the second signal, a determined movement of the detection zone between a first position and a second position;', 'adding an additional pixel to the microwave image, which pixel is positioned relative to the preceding pixel as a function of said detected movement; and', 'giving said additional pixel a value of the first signal as determined when the detection zone is in the second position., 'wherein, during movement of the housing in order to cause the detection zone to scan points of a body or an item, the processor unit is configured to act in iterative manner to form said microwave image by16. A device according to claim 15 , including one to ten microwave sensors.17. A device according to claim 16 , including a single microwave sensor.18. A device according to claim 15 , ...

PORTABLE RADIOMETRIC IMAGING DEVICE, AND CORRESPONDING IMAGING METHOD

Compact automatic impedance adapter in a waveguide

The invention relates to a compact automatic impedance adapter in a waveguide, characterised in that the impedance is controlled by plungers, filling the entire guide with a magic-tee coupler plane E/plane H modifying the electrical and magnetic field, one plunger modifying the electrical field (E) in the guide and the second modifying the magnetic field (H).

SHIELDING ATTENUATION MEASUREMENT

A system for measuring the attenuation of electromagnetic shielding of an infrastructure as a function of the frequency, including a transmitter of a white noise signal with a constant power over a frequency band between a minimum frequency and a maximum frequency, a signal receiver, the transmitter and the receiver being capable of sending a signal and receiving a signal across the infrastructure, the receiver including a filter module capable of applying sliding filter on the received signal between the minimum frequency and the maximum frequency, and a double synchronous detection module capable of double synchronous detection on a signal output by the filter module. 1. A system for measuring the attenuation of electromagnetic shielding of an infrastructure as a function of the frequency , comprising:a transmitter of a white noise signal with a constant power over a frequency band between a minimum frequency and a maximum frequency; and a filter module configured to apply a sliding filter on the received signal between the minimum frequency and the maximum frequency, and', 'a double synchronous detection module configured to double synchronous detect on a signal output by the filter module., 'a receiver of a signal, the transmitter and the receiver being capable of sending a signal and receiving a signal across the infrastructure, the receiver comprising2. The system for measuring the attenuation of electromagnetic shielding of an infrastructure according to claim 1 , wherein:the transmitter is configured to transmit a signal that is chopped white noise comprising two alternating power levels,the receiver is capable of determining is configured to determine the difference between received powers corresponding to two power levels of the transmitted signal.3. The system for measuring the attenuation of electromagnetic shielding of an infrastructure according to claim 1 , wherein the receiver comprises a determination module configured to determine the shielding ...

PORTABLE RADIOMETRIC IMAGING DEVICE AND A CORRESPONDING IMAGING METHOD

The invention relates to a portable radiometric imaging device and to a corresponding method, finding a particular application in detecting articles carried by passengers or contained in baggage, for example in airports and train stations. The device includes a plurality of receiver antennas for picking up electromagnetic radiation from a plurality of parts of a body or an article and converting them into a plurality of signals representative of said radiation, a plurality of receiver modules associated with the antennas for receiving the signals representative of the radiation and converting them into a plurality of electrical signals, and a digital processor unit for responding to the electrical signals to create one or more digital signals representative of the electromagnetic radiation for display on a display as an image of the body or article. A correlator module is provided for correlating the electrical signals in order to form a signal representative of the electromagnetic radiation from the intersection of the two parts of the body or article. 1. A portable radiometric imaging device comprising:at least first and second receiver antennas adapted to pickup electromagnetic radiation from first and second parts of a body or an article and to convert them into first and second signals representative of said radiation;at least first and second receiver modules associated with said first and second antennas and adapted to receive said first and second signals representative of said radiation and to convert them into first and second electrical signals; anda digital processor unit adapted to create, from said first and second electrical signals, at least one digital signal representative of said electromagnetic radiation to be displayed on a display as an image of said body or article;wherein the first and the second receiver modules include a frequency reducer module, and wherein the device further comprises:at least one deconvolution module adapted to ...

Portable radiometric imaging device and a corresponding imaging method

The invention relates to a portable radiometric imaging device and to a corresponding method, finding a particular application in detecting articles carried by passengers or contained in baggage, for example in airports and train stations. The device includes a plurality of receiver antennas for picking up electromagnetic radiation from a plurality of parts of a body or an article and converting them into a plurality of signals representative of said radiation, a plurality of receiver modules associated with the antennas for receiving the signals representative of the radiation and converting them into a plurality of electrical signals, and a digital processor unit for responding to the electrical signals to create one or more digital signals representative of the electromagnetic radiation for display on a display as an image of the body or article. A correlator module is provided for correlating the electrical signals in order to form a signal representative of the electromagnetic radiation ...

Wine bottle

Imaging device and corresponding imaging method

The present invention relates to an imaging device (1) comprising:a first microwave sensor or set of microwave sensors (2), preferably radiometric sensors, each microwave sensor (2) being configured to pick up electromagnetic radiation emitted or reflected by bodies or objects situated in a detection zone of said microwave sensor (2); andreflector means (6) configured to reflect the electromagnetic radiation that can be picked up by the first microwave sensor or the set of microwave sensors (2).In particular, the reflector means (6) are mounted to move in the detection zone of each microwave sensor (2) in such a manner as to move said detection zone by moving the reflector means (6). The invention also provides a corresponding microwave imaging method.

Shielding attenuation measurement

A system for measuring the attenuation of electromagnetic shielding of an infrastructure as a function of the frequency, including a transmitter of a white noise signal with a constant power over a frequency band between a minimum frequency and a maximum frequency, a signal receiver, the transmitter and the receiver being capable of sending a signal and receiving a signal across the infrastructure, the receiver including a filter module capable of applying sliding filter on the received signal between the minimum frequency and the maximum frequency, and a double synchronous detection module capable of double synchronous detection on a signal output by the filter module.

Coaxial automatic impedance adaptor

The invention concerns a coaxial automatic impedance adaptor characterized in that it comprises two slugs and has only a lateral translational movement along an axis Ox. The double slug tuner principle is based on the movement of two line segments of different characteristics of 50 O inside a closed cylinder on either side of standard connectors.

IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

The present invention relates to an imaging device () comprising: 110-. (canceled)11. An imaging device comprising:a first microwave sensor or set of microwave sensors, each microwave sensor being configured to pick up electromagnetic radiation emitted or reflected by bodies or objects situated in a detection zone of said microwave sensor; anda reflector configured to reflect the electromagnetic radiation that can be picked up by the first microwave sensor or the set of microwave sensors;one or more reference emitters,wherein the reflector is mounted to be movable in the detection zone of each microwave sensor so as to move said detection zone by movement of the reflector, and wherein the reflector is configured also to move the detection zone of each microwave sensor over each of the reference emitters.1210. The imaging device according to claim , also including a focusing device mounted in the detection zone of each microwave sensor and configured to enable the electromagnetic radiation from a measurement zone to be focused on each microwave sensor , and wherein the reflector is positioned between the focusing device and the measurement zone of each microwave sensor.1310. The imaging device according to claim , wherein the reflector is mounted to move in rotation about a first axis.1410. The imaging device according to claim , including rotary device configured to rotate the reflector about a first axis at a speed of rotation greater than or equal to 300 rpm.15. The imaging device according to claim 13 , wherein the reflector is mounted in a cylinder that is transparent to the electromagnetic radiation that can be picked up by the microwave sensor(s).16. The imaging device according to claim 15 , wherein the reflector is plane and wherein the axis of the cylinder is mounted on the first axis and extends in the plane of the reflector.17. The imaging device according to claim 15 , wherein the reflector comprises a plane having two reflecting faces.18. The imaging ...

PORTABLE RADIOMETRIC IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

L'invention concerne un dispositif d'imagerie radiométrique portable, et un procédé correspondant, trouvant notamment une application à la détection d'objets portés par des passagers ou contenus dans des bagages, par exemple dans des aéroports ou des gares. Le dispositif comprend plusieurs antennes 1, 2 de réception pour capter les rayonnements électromagnétiques de plusieurs points P , P d'un corps ou objet, et les transformer en plusieurs signaux représentatifs de ces rayonnements, plusieurs modules de réception 5, 6 associés aux antennes pour recevoir les signaux représentatifs des rayonnements et les transformer en plusieurs signaux électriques, et une unité de traitement numérique 3 pour créer, à partir des signaux électriques, un ou plusieurs signaux numériques représentatifs des rayonnements électromagnétiques et destinés à être affichés par un afficheur comme image du corps ou objet. Un module de corrélation est prévu pour corréler les signaux électriques afin de former un signal représentatif du rayonnement électromagnétique de l'intersection de deux points du corps ou objet. The invention relates to a portable radiometric imaging device, and a corresponding method, including an application to the detection of objects carried by passengers or contained in luggage, for example in airports or stations. The device comprises several reception antennas 1, 2 for picking up the electromagnetic radiation from several points P, P of a body or object, and transforming them into several signals representative of these radiations, several reception modules 5, 6 associated with the antennas for receiving the signals representative of the radiations and transforming them into several electrical signals, and a digital processing unit 3 for creating, from the electrical signals, one or more digital signals representative of the electromagnetic radiations and intended to be displayed by a display as an image of the body or object. A correlation module is ...

HYPERFREQUENCY RADIOMETRIC IMAGING SYSTEM AND IMAGING METHOD THEREOF

L'invention a pour objet un système d'imagerie radiométrique hyperfréquence (1) comprenant un réseau (2) d'antennes de réception hyperfréquence (2a) pour acquérir la température de brillance d'un objet, ledit système (1) comprenant en outre un module de codage analogique passif (3), un module convertisseur analogique numérique (4) et un module de traitement numérique (5), le module de codage analogique passif (3) générant sur chaque sortie un signal de sortie analogique codé, chaque sortie du module de codage analogique passif (3) étant reliée à un convertisseur analogique numérique du module convertisseur analogique numérique (4) pour générer en sortie du module convertisseur analogique numérique (4) M signaux numériques, chaque sortie du module convertisseur analogique numérique (4) étant reliée au module de traitement numérique (5) configuré pour réaliser une reconstruction d'image thermique de l'objet imagé par le réseau d'antennes (2) par traitement numérique des signaux basé sur une synthèse d'ouverture interférométrique. The subject of the invention is a microwave radiometric imaging system (1) comprising an array (2) of microwave reception antennas (2a) for acquiring the brightness temperature of an object, said system (1) further comprising a passive analog coding module (3), an analog digital converter module (4) and a digital processing module (5), the passive analog coding module (3) generating on each output an encoded analog output signal, each output of the passive analog coding module (3) being connected to an analog-to-digital converter of the analog-digital converter module (4) for generating at the output of the digital-to-analog converter module (4) M digital signals, each output of the analog-digital converter module (4) being connected to the digital processing module (5) configured to perform a thermal image reconstruction of the imaged object by the antenna array (2) by processing digital signal based on ...

IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

PORTABLE HYPERFREQUENCY IMAGING DEVICE, SYSTEM COMPRISING SUCH A DEVICE, AND CORRESPONDING IMAGING METHOD

La présente invention concerne un dispositif d'imagerie portable 1, comprenant un bâti 2 et un capteur hyperfréquence 3 monté dans le bâti 2. Le dispositif 1 comprend également un premier moyen de connexion pour connecter le dispositif d'imagerie 1 à un moyen de mesure de déplacement 4 et un deuxième moyen de connexion pour connecter le dispositif d'imagerie 1 à une unité de traitement 5. Lors d'un déplacement du bâti 2, l'unité de traitement 5 est configurée pour former, de manière itérative, une image hyperfréquence en : - détectant un déplacement déterminé de la zone de détection du capteur 3, - ajoutant un pixel supplémentaire dans l'image hyperfréquence, positionné par rapport au pixel précédent en fonction dudit déplacement détecté, et - donnant audit pixel supplémentaire une valeur du signal du capteur. L'invention concerne également un système d'imagerie comprenant un tel dispositif d'imagerie 1, et un procédé d'imagerie correspondant. The present invention relates to a portable imaging device 1, comprising a frame 2 and a microwave sensor 3 mounted in the frame 2. The device 1 also comprises a first connection means for connecting the imaging device 1 to a measuring means 4 and a second connection means for connecting the imaging device 1 to a processing unit 5. During a movement of the frame 2, the processing unit 5 is configured to form, iteratively, an image microwave frequency by: - detecting a determined displacement of the detection zone of the sensor 3, - adding an additional pixel in the microwave image, positioned with respect to the preceding pixel as a function of said detected displacement, and - giving to said additional pixel a value of the signal of the sensor. The invention also relates to an imaging system comprising such an imaging device 1, and a corresponding imaging method.

Imaging device and corresponding imaging method

The present invention relates to an imaging device (1) comprising:- a first microwave frequency sensor or set of sensors (2), preferably radiometric, each microwave frequency sensor (2) being configured so as to sense electromagnetic radiations emitted or reflected by bodies or objects situated in a zone of detection of said microwave frequency sensor (2), and - a reflecting means (6) configured so as to reflect the electromagnetic radiations that may be sensed by the first microwave frequency sensor or set of microwave frequency sensors (2). In particular, the reflecting means (6) is mounted movably in the zone of detection of each microwave frequency sensor (2), so as to displace said detection zone by displacing the reflecting means (6). The invention also relates to a corresponding method of microwave frequency imaging.

IMAGING DEVICE AND CORRESPONDING IMAGING METHOD

La présente invention concerne un dispositif d'imagerie (1) comprenant : - un premier capteur ou ensemble de capteurs hyperfréquences (2), de préférence radiométriques, chaque capteur hyperfréquence (2) étant configuré pour capter des rayonnements électromagnétiques émis ou réfléchis par des corps ou objets situés dans une zone de détection dudit capteur hyperfréquence (2), et - un moyen réfléchissant (6) configuré pour réfléchir les rayonnements électromagnétiques pouvant être captés par le premier capteur ou ensemble de capteurs hyperfréquences (2). En particulier, le moyen réfléchissant (6) est monté mobile dans la zone de détection de chaque capteur hyperfréquence (2), de manière à déplacer ladite zone de détection par déplacement du moyen réfléchissant (6). L'invention concerne également un procédé d'imagerie hyperfréquence correspondant. The present invention relates to an imaging device (1) comprising: - a first sensor or set of microwave sensors (2), preferably radiometric, each microwave sensor (2) being configured to capture electromagnetic radiation emitted or reflected by bodies or objects located in a detection zone of said microwave sensor (2), and - reflecting means (6) configured to reflect the electromagnetic radiation receivable by the first sensor or set of microwave sensors (2). In particular, the reflecting means (6) is movably mounted in the detection zone of each microwave sensor (2), so as to move said detection zone by displacement of the reflecting means (6). The invention also relates to a corresponding microwave imaging method.

ATTENUATION MEASUREMENT OF SHIELDING

Système de mesure d'atténuation de blindage électromagnétique d'une infrastructure, en fonction de la fréquence, caractérisé en ce qu'il comporte : Un émetteur (10) d'un signal qui est un bruit blanc de puissance constante sur une bande de fréquence comprise entre une fréquence minimale et une fréquence maximale, Un récepteur (12) d'un signal, l'émetteur et le récepteur étant aptes à émettre et recevoir un signal de part et d'autre de l'infrastructure, le récepteur comportant : Un module de filtrage (121) apte à réaliser un filtrage glissant sur le signal reçu (SR) entre la fréquence minimale et la fréquence maximale, et Un module de double détection synchrone (122) apte à réaliser une double détection synchrone sur un signal fourni par le module de filtrage. Electromagnetic shielding attenuation measuring system of an infrastructure, as a function of frequency, characterized in that it comprises: A transmitter (10) of a signal which is a white noise of constant power over a frequency band between a minimum frequency and a maximum frequency, a receiver (12) of a signal, the transmitter and the receiver being able to transmit and receive a signal on either side of the infrastructure, the receiver comprising: filtering module (121) capable of performing a sliding filtering on the received signal (SR) between the minimum frequency and the maximum frequency, and a synchronous double detection module (122) able to perform a synchronous double detection on a signal provided by the filter module.

PORTABLE HYPERFREQUENCY IMAGING DEVICE, SYSTEM COMPRISING SUCH A DEVICE, AND CORRESPONDING IMAGING METHOD

Dispositivo de imageamento e método de imageamento

DISPOSITIVO DE IMAGEAMENTO E MÉTODO DE IMAGEAMENTO. A presente invenção refere-se a um dispositivo de imageamento e a um método de imageamento correspondente. A presente invenção se refere particularmente a imageamento por micro-ondas e particularmente a imageamento radiométrico. O dispositivo de imageamento (1) compreende: um primeiro sensor de micro-ondas ou conjunto de sensores de micro-ondas (2), preferivelmente sensores radiométricos, sendo que cada sensor de microondas (2) é configurado para captar radiação eletromagnética emitida ou refletida por corpos ou objetos situados em uma zona de detecção (8) do sensor de micro-ondas (2); e meios de reflexão (6) configurados para refletir a radiação eletromagnética que pode ser captada pelo primeiro sensor de microondas ou pelo conjunto de sensores de micro-ondas (2); um ou mais meios de emissão de referência (22, 24), preferivelmente dois meios de emissão de referência, em que os meios de reflexão (6) são montados de modo que sejam móveis na zona de detecção (8) de cada sensor de micro-ondas (2) para que movam a zona de detecção (8) pelo movimento dos meios de reflexão (6), sendo que os meios de reflexão (6) também são configurados para mover a zona de detecção (8) de cada sensor de micro-ondas (2) sobre cada um dos meios de emissão de referência (22, 24).

Dispositif d'imagerie et procede d'imagerie correspondant

La présente invention concerne un dispositif d'imagerie (1) comprenant : - un premier capteur ou ensemble de capteurs hyperfréquences (2), de préférence radiométriques, chaque capteur hyperfréquence (2) étant conflguré pour capter des rayonnements électromagnétiques émis ou réfléchis par des corps ou objets situés dans une zone de détection dudit capteur hyperfréquence (2), et - un moyen réfléchissant (6) conflguré pour réfléchir les rayonnements électromagnétiques pouvant être captés par le premier capteur ou ensemble de capteurs hyperfréquences (2). En particulier, le moyen réfléchissant (6) est monté mobile dans la zone de détection de chaque capteur hyperfréquence (2), de manière à déplacer ladite zone de détection par déplacement du moyen réfléchissant (6). L'invention concerne également un procédé d'imagerie hyperfréquence correspondant.

Compact Automatic Impedance Adapter in a Waveguide

The invention relates to a compact automatic impedance adapter in a waveguide, characterised in that the impedance is controlled by plungers, filling the entire guide with a magic-tee coupler plane E/plane H modifying the electrical and magnetic field, one plunger modifying the electrical field (E) in the guide and the second modifying the magnetic field (H).