Abstract: A Doppler radar with ambiguous electronic scanning, using an active antenna comprising an array of elementary transmission antennas and an array of elementary reception antennas with the same angular opening. The arrays have the same radiation plane. The transmission array is ambiguous with a number of ambiguous lobes within said angular opening of said elementary antennas greater than or equal to 2. The reception array comprises at least one ambiguous lobe within said angular opening. The arrays are arranged so that the product of the transmission and reception radiating patterns only produces a single main beam within the field defined by said angular opening. The coverage of said angular field by said radar obtainable by: forming at the transmission antenna radiating patterns that are focused within a field limited to the transmission ambiguity field; simultaneously forming several reception radiating patterns focused at reception in the ambiguous transmission directions.

Abstract: An electronic device configured to generate a flight plan for an aircraft. The device may include a display module configured for displaying two flight plans simultaneously and for each flight plan. The display may be configured for viewing, the common elements and distinct elements with regard to the other flight plan. Further, the device may include an acquisition module configured for acquiring a copy command. Additionally, the device may include a copying module configured for copying at least one of the distinct elements from one of the two flight plans to the other flight plan based on the copy command. Moreover, the device may include a processing module configured for generating a new flight plan based on the target flight plan and the distinct element or elements which were copied.

Abstract: A system for interacting at a distance with a pointer of a human-machine interface (HMI) of a viewing system of an aircraft cockpit, including three layers including an upper layer in the shape of an inverted V, which itself acts as a handrest knob, including a module, with a touch-sensitive flat surface, arranged on a front portion of the inverted V; at least one physical interactor to interact with the HMI arranged on a rear portion of the inverted V; and two lateral edges set back from the upper surface of the upper layer, each provided with at least one physical interactor.

Abstract: Method and system of unveiling high-resolution visible face images from any low-resolution thermal face images, can include inputting any number of thermal face images as an input through a generative adversarial network to perform spectrum translation of the low-resolution thermal face images to a number of high-resolution visible face images, training the generative adversarial network with at least a reference high resolution image, adapting or training the generative adversarial network for one or more among L1 loss, perceptual loss, and identity loss, and generating a high-resolution visible face image from any low-resolution thermal face images provided as an input to the generative adversarial network.

Abstract: A scope observing a scene includes a first optical sub-assembly, being an afocal module, and a second optical sub-assembly, being a display module. The afocal module includes: a removable and switchable linear polarizer, a first polarization-splitting element, and an afocal optical system arranged to collect light reflected by the first polarization-splitting element. The display module includes: a half-wave plate, being a distribution plate, a display, an optical objective to collimate the display light; and a second polarization-splitting element arranged after the distribution half-wave plate.

Abstract: A device for coupling optical fibers, includes a first coupling-inhibited hollow-core optical fiber comprising a first microstructured cladding comprising a plurality of first confining tubular features distributed in a ring and encircling, at least partially, a first core so as to confine at least radiation at a wavelength ?op to the first core, a second coupling-inhibited hollow-core optical fiber comprising a second microstructured cladding comprising a plurality of second confining tubular features distributed in a ring and encircling, at least partially, a second core so as to confine the light radiation to the second core, a coupling element arranged between the first and second cores, the coupling element comprising at least one coupling tubular feature comprised at least partially in the first microstructured cladding and/or the second microstructured cladding and having a wall thickness tcp called the coupling thickness and a material index ncp called the coupling index, an arrangement of the couplin

Abstract: The monitoring system (1) is used for detecting an incapacitation of the pilot of an aircraft, said aircraft being equipped with a piloting device (40) which can be actuated manually by the pilot. Same includes: at least one pressure sensor integrating a contact sensor (11, 12) mounted on the surface of the piloting device (40), so as to generate an elementary indicator when a pressure exerted by the pilot on the piloting device is adapted to the use of the piloting device; and a computing unit (2) programmed for processing the elementary indicator delivered by the pressure sensor and for determining a current state of the pilot and, when said current state corresponds to an incapacitation of the pilot, for issuing an alarm.

Abstract: A 5G communication system between at least one mobile terminal and a core network, the communication system includes at least one satellite, an access network comprising a plurality of base stations and a gateway disposed between the satellite and one of the base stations, the satellite and the gateway being able to exchange service frames comprising uplink service frames and downlink service frames, the uplink service frames having to be temporally aligned with the downlink service frames around a time reference point.

Abstract: A rat-race balun includes a transmission line loop and 4 input-output ports P1, P2, P3, P4 connected to the transmission line loop, the balun being designed to receive a first signal on the port P1, and to divide the first signal into a second signal that is delivered to the port P2 and a third signal that is delivered to the port P4, the second signal and the third signal being in phase opposition with one another, the balun wherein the balun is kidney-shaped and the ports P2, P4 each comprise at least a first section connected to the transmission line, the first section of the port P2 being parallel to the first section of the port P4.

Abstract: Method to establish a secure channel between the owner of a software payload and the software payload itself when running into a hardware-based trusted execution environment, HW TEE, at the instance of a cloud service provider, including sending, by the owner, a nonce to the software payload; generating, by the software payload, a payload key pair: public key and private key; mixing, by the software payload, the payload public key with the nonce; computing, by the HW TEE, an attestation using this nonce mixed with the payload public key; sending, by the software payload, the attestation, and the payload public key to the owner; verifying, by the owner, the attestation using the sent nonce mixed with the received payload public key; generating, by the software payload and the owner, a session key; and establishing a secure channel between the owner and the software payload running into the HW TEE.

Abstract: The invention relates to a coupling structure coupling a first optical mode to a second, the effective index of the second being strictly greater than that of the first. It comprises a first and a second waveguide configured to guide respectively the first and second optical modes. The core of the first waveguide extends into a proximal section and a distal section. The second waveguide includes a base and a ridge. A hybrid waveguide, interposed between the first and second waveguides, includes the proximal section and an extension of the base, arranged to cooperate to guide an intermediate optical mode. The effective index of the intermediate optical mode is strictly greater than the effective index of the second optical mode. A modal transition section including the distal section, extends from the hybrid waveguide to the second waveguide to couple the intermediate optical mode to the second optical mode.

Abstract: A device for protecting an electronic equipment item, configured to limit the electric current between an electric power generator and an electronic equipment item consuming electric power. The device includes a control circuit connected to a power circuit, the power circuit including power semiconductors, the power circuit being able to be connected in series between the electric power generator and the electronic equipment item. The control circuit includes event detection modules, a current setpoint variation module, and a control module for controlling the power semiconductors, configured to supply a control signal for limiting the electric current in the power circuit as a function of the current limitation setpoint signal.

Abstract: An aeronautical probe that presents a generally profiled shape, is provided with a fixing base and has undulations on at least part of its leading edge.

Abstract: A production method for producing an anode for a cold cathode X-ray source, including the following steps: producing an element referred to as target from a first material adapted to generating X-rays from the absorption of an electron beam, the first material having a first thermal expansion coefficient Ce,1(Tu) at a predetermined temperature Tu of use of the anode in the X-ray source, producing an element referred to as target support from a second material having a second thermal expansion coefficient Ce,2(Tu) at the predetermined temperature Tu, joining the target to the target support by hard soldering using a solder material at a soldering temperature higher than the predetermined temperature Tu and higher than a melting point of the solder material, so as to form a film of solder interposed between the target and the target support.

Abstract: An optoelectronic device includes at least one pixel comprising: a plurality of optical resonators, each optical resonator comprising a photodetecting structure confined between a first reflective metal layer and a second metal layer; and a connection microstructure that is arranged on a support made of dielectric material and is configured to electrically interconnect the second metal layers of the optical resonators belonging to the same pixel; and a readout integrated circuit arranged on a substrate and assembled with the pixel; the readout circuit comprising a buried readout electrode associated with the pixel and a metal or dielectric outer layer. The assembly comprising at least the first metal layer and the outer layer of the readout integrated circuit is called a planar assembly structure. The second metal layers of the resonators of a pixel are connected to the associated readout electrode by way of a metal via connected to the connection microstructure and passing through the support.

Abstract: A rat-race balun includes a transmission line loop and 4 input-output ports P1, P2, P3, P4 connected to the transmission line loop, the respective transmission line section between the adjacent ports P1 and P4 is of electrical length 2?2, of impedance Z3 and is a line section loaded by a capacitor of capacitance C2; where ?2<135 and the following equalities are satisfied: C ? 2 = - 2 ? tan ? ( ? 2 ) ? ? Z P ? 1 ? P ? 4 ? tan ? ( 2 ? ? 2 ) and ? Z 3 = - Z P ? 1 ? P ? 4 tan ? ( ? 2 ) w being equal to 2?f, with f the operating frequency, and ZP1P4 being the impedance of the unloaded transmission line section of physical length 3?/4 equivalent to the loaded line section.

Abstract: A method for the servo control of an optical device includes a cavity exhibiting resonance around a center frequency ƒc, a laser and a phase modulator, the method being designed to servo-control the cavity to the laser or vice versa and to compensate for an amplitude modulation introduced by the phase modulator, the method comprising, inter alia, the following steps: A. varying a difference ?? between the optical frequency of the laser radiation and the center frequency, such that the optical frequency scans the resonance, the difference being controlled by a parameter of an element of the device, and for each difference ??i i. modulating, at a modulation frequency ƒmod, a phase of the laser radiation, through a modulation phase ?mod, with the phase modulator, ii. injecting the phase-modulated radiation into the cavity, iii. using a photodiode to detect radiation reflected or transmitted by the cavity and generating an electrical signal (St, Sr) representative of the intensity of the detected radiation, iv.

Abstract: An aerodynamic measurement probe intended to measure a local angle of attack of an air stream flowing along the fuselage of an aircraft, includes a support and a shaft that is able to rotate about a longitudinal axis with respect to the support, the support and the shaft being configured to form between them a gap, passing around an annular tab at the end of the shaft in the support, making it possible to maintain a functional clearance to allow one end of the shaft to pivot freely in the support, and communicating with an impurity discharge circuit, the gap comprising an inner annular groove about the axis of rotation, made in the support, and opening out away from the axis directly onto the end part of the annular tab, the profile of the inner groove being rounded.

Abstract: Avionics system includes a bootstrap package including system partitions, and a primary configuration table, of a first type with hardware resource configuration values, a boot automaton launching the bootstrap package, at least one secondary configuration table of a second type with configuration values usable by a set of partitions, tertiary system configuration tables for the set of partitions, of a third type with configuration values used by a respective partition, application partitions, each including an avionics application and a tertiary configuration table, of the third type and containing configuration values of resources used by the respective application partition. The boot automaton checks whether an additional configuration file is present, and launches the additional configuration file including at least one configuration table of the first, second or third type, same being used instead of a table of the same type among the primary, secondary, tertiary system and tertiary application tables.

Abstract: A method for generating a secure secret key, includes the following steps: A. receiving, in a communication station referred to as the transmitting station, a first secret key by way of a quantum encryption channel via satellite, the first secret key also being transmitted to at least one other communication station by way of the quantum encryption channel; B. generating, in the transmitting station, a second secret key using a trusted random number generator; C. generating an encrypted secret key using the first secret key and the second secret key by the one-time pad method; D. transmitting the encrypted secret key from the transmitting station to the one or more other communication stations.