Abstract: The present invention relates to a method of contentions mitigation for an operational application implemented by an embedded platform comprising a plurality of cores and a plurality of shared resources. This method comprises the steps of executing the operational application by one of the cores of the embedded platform, executing a stressor application on at least some other cores of the embedded platform in parallel with the operational application, the stressor application being composed of a set of contention tasks generating a maximum contention on interference channels, and determining contentions generated by the stressor application on the operational application.

Abstract: Provided is a method for generating a physical unclonable function PUF response by a PUF circuit of an electronic device, said PUF circuit comprising pairs of electronic components called PUF primitives implementing said physical unclonable function, by obtaining a challenge (S1), generating PUF output bits (S2) by applying said physical unclonable function to said obtained challenge, and generating said PUF response (S3) from said generated PUF output bits verifying ? > ?? +|T| or ? < -?? -|T| with ?? a predetermined threshold. In some embodiments it maximizes a PUF response entropy based only on the analog differential values generated by the comparators of the electronic device. Other embodiments disclosed.

Abstract: The present disclosure relates to a method for sending a message from a remote server to a terminal, the remote server and the terminal sharing a secret key, the method comprising: i—Sending from the terminal to the remote server a first identity; ii—Retrieving at the remote server the first identity and retrieving the secret key based on the first identity; iii—At the remote server, choosing a random number and generating a second identity thanks to the first identity, the random number and the secret key; iv—At the remote server, generating a signature from the first identity, the message, a counter value, the random number and the secret key; v—At the remote server, generating a first response for the terminal, the first response being a concatenation of the message, a counter value, the signature and the random number, and ciphering the first response with the secret key and sending the first ciphered response to the terminal; vi—At the terminal, deciphering the first ciphered response with the secret

Abstract: A system and method for backing up critical data of edge devices includes originator, surrogate, and target edge devices as well as a vault-broker server. The critical data, encrypted, is transmitted to and stored by a surrogate. The association of originator and surrogate is managed by the vault-broker server. Encryption protects the data from recovery by unauthorized parties while allowing surrogate edge devices to determine if recovery attempts are made by authorized parties.

Abstract: A low-drag dipping sonar includes an antenna equipped with acoustic transmitters and receivers. The dipping sonar further comprises a motorized winch comprising a reel, and an actuator configured to rotate the reel and a cable wound on the reel, in that the winch is placed in the antenna, and in that the cable allows the antenna to be hooked to a carrier at its one free end of the cable.

Abstract: The invention relates to a method for manufacturing an antenna for a radiofrequency transponder, said antenna including a spiral comprising turns which extend, at least in part, over an insulating substrate; the method is characterised in that it includes the step ac-cording to which at least one first portion of each turn is deposited on said substrate at a first plane level, at least one second portion of each turn being formed or kept at a distance from the first plane level of the substrate, the axis of the spiral being parallel to the plane of the substrate. The invention also relates to a portable electronic object comprising, in a fixed or removable manner, the obtained antenna.

Abstract: An acoustic detection system for detecting at least partly submerged targets in a sensitive area defined with respect to an infrastructure, wherein the system includes at least one multistatic detection group, each multistatic detection group defining a detection area, and comprising: a submerged transmitter transmitting at low frequencies; a plurality of submerged receivers comprising at least two receivers, each receiver of a given group forming, with the transmitter of the group, a bistatic pair, each bistatic pair generating an elementary detection area surrounding a blind zone, the detection area of the group being formed by all of the elementary detection areas of the receivers of the group, the blind zone of each receiver in a given detection group being at least partly covered by the elementary detection areas of the neighbouring receivers of the detection system.

Abstract: Provided is a computer implemented method of aggregating distributed numerical data without disclosing said data By way of a user computer, an asymmetric cryptography system is provided having a public key of a user, where the numerical data of the user is stored and which user computer has access to the public key of other users, wherein a control unit as well as other user computers can connect and communicate with each other and wherein said numerical data related to each specific user is stored on the associated user computer. The method provides for each user to add a random figure to his statistical value, creates portions of this sum value intended and encrypts every portion value with the public key of one of the other users. Other embodiments are disclosed.

Abstract: A method for estimating the position of a rotor of a synchronous electrical machine, includes a rotor and a stator coupled to an inverted synchronous electrical machine via a rectifier comprising the following steps: measurement of a current iabc circulating in the stator of the synchronous electrical machine; determination of two signals in quadrature i?; i? according to a stationary reference frame from the current iabc and isolation of two filtered signals i?h; i?h from the two signals in quadrature i?; i?; demodulation of the two filtered signals i?h; i?h in order to obtain two demodulated signals i?obs, i?obs; obtaining of an estimated position {circumflex over (?)} of the rotor from the two demodulated signals i?obs, i?obs.

Abstract: A hybridized system for measuring the attitude of a wearer, the system includes a satellite positioning system; a measurement unit comprising at least one gyrometer; electronics for calculating the attitude information of the wearer from the information originating from the satellite positioning system and the measurement unit. The hybrid system comprises calculation electronics comprising a means for calculating an angular radius of protection, that is to say an angular radius such that the risk that the error between the calculated attitude and the true attitude of the wearer is not included within this radius is less than a given probability, the radius being equal to the sum of two contributions, the first contribution being equal to positioning errors linked to the measurement unit, the second contribution being equal to positioning errors linked to the satellite positioning system.

Abstract: There is provided a method and a system for customized image denoising with interpretability. A deep neural network (NN) is trained to denoise an image on a training dataset including pairs of noisy and corresponding clean images acquired from an imaging apparatus, where during the training a structured covariance score (SCS) indicative of a performance of the deep NN in recovering content of corresponding clean images relative to the denoised image is determined based on sparse conditional correlations. A test noisy image is received and denoised by the deep NN. A user feedback score indicative of user satisfaction of the denoising is obtained. A quality parameter is obtained based on the SCS and a quality metric indicative of denoised image quality is obtained from a pretrained NN, and compared with the user feedback score. If the SCS is above the user feedback score, the deep NN is provided for denoising.

Abstract: The invention relates to a method for validating at least one position stored in a database of an aircraft comprising a satellite positioning system, the database containing at least one radionavigation beacon position, a runway threshold position, and a displaced runway threshold position on a runway, on which the aircraft is intended to land, the validation of said at least one position comprising a consistency check between at least: a signal received by the aircraft from a radionavigation beacon associated with said at least one position, and the position of the aircraft provided by the satellite positioning system, and the value of the position stored in the database.

Abstract: Provided is an electronic device and a method thereof for repairing response bits of a physical unclonable function of an electronic device, said physical unclonable function outputting said response bits and additional output bits. The method includes generating a PUF response from said response bits (S1), detecting an error in the PUF response (S2), determining erroneous response bits of the PUF response (S3), determining a match (S4) between each determined erroneous response bit and a selected additional output bit such that replacing the erroneous response bits by the matching additional output bits corrects the error in the PUF response, storing said determined match in a repair list (S5), and replacing (S6) in the PUF response said erroneous response bits with the matching additional output bits in the repair list. Other embodiments disclosed.

Abstract: A photovoltaic module includes a transparent first layer forming the front side of the photovoltaic module; a plurality of photovoltaic cells placed side-by-side and electrically connected; a polymer encapsulating assembly able to encapsulate the plurality of photovoltaic cells between a lower portion and an upper portion; a second layer made of a composite material based on polymer resin and on fibres, the encapsulating assembly and the photovoltaic cells being located between the first and second layers, at least the first and second layers defining edges of the photovoltaic module, the plurality of photovoltaic cells being spaced apart by a non-zero distance DA from at least one edge of the photovoltaic module; the photovoltaic module further comprises a third layer made of a composite material based on polymer resin and on fibres, the layer being located below the plurality of photovoltaic cells and above the lower portion of the encapsulating assembly and forming at least one peripheral strip extending f

Abstract: A method comprises: receiving, by a user device, from a verifier device, a request for user data; retrieving a first cryptogram and a decryption key; sending and, to a server, the first cryptogram; retrieving a random and a second cryptogram generated using reference user authentication data concatenated with the random; sending, to the verifier device, the second cryptogram and the random; storing the reference random; sending, to the user device, the second cryptogram; decrypting the second cryptogram using the decryption key; extracting the reference user authentication data and the random; providing, the user device, with user authentication data; verifying that it matches the reference user authentication data; providing, the verifier device, with the random; verifying that it matches the reference random; and authenticating the user data.

Abstract: This aeronautical equipment for an aircraft, comprising a part configured to be positioned at the level of a skin of the aircraft and means for reheating this part comprising a closed-circuit thermodynamic loop in which a phase-change heat transfer fluid circulates, is wherein it includes means for monitoring the fluid pressure in the loop in order to detect and report a malfunction of the equipment.

Abstract: A system for determining a stationary state of a rail vehicle on a track includes a first radar mounted at an end of the rail vehicle and a second radar mounted at another end of the rail vehicle. A speed sensor is mounted on the rail vehicle. A series of fixed reflective track features are found along the track. A processing unit, communicably connected with the speed sensor, the first radar and the second radar receives data from the first radar and the second radar corresponding to the distance to the fixed reflective track features and determines the stationary state or low-speed condition of the rail vehicle and checks the state or condition by comparing it with an output of the speed sensor.

Abstract: A system for remote interaction with a pointing means of an aircraft cockpit display system, equipped with HMIs, includes three layers: a lower layer configured so as to receive wired electric power supply and data exchange connections; an upper layer comprising a hand-rest knob, at least one physical interaction means configured so as to interact on the pointing means for pointing at the HMIs of the cockpit, and a module with a touch-sensitive flat surface configured so as to interact on the pointing device for pointing at the HMIs of the cockpit and arranged in the extension of the hand-rest knob; and an intermediate layer configured so as to make it possible to modify the position of the upper layer.

Abstract: An apparatus and a method allowing a pilot or more generally a crew to enrich a database of user obstacles directly inside the aircraft, on the ground and even during flight. Generally, the apparatus is based on a new software component, which allows new services to be provided for the functional avionic components and for the human machine interfaces HMI of the avionics. This new software component is configured to allow: user obstacles to be created, changed, deleted at the request of components of HMIs of the avionics; user obstacles to be sent to clients of the services of this new software component, which are either other functional components of the avionics or other components of HMIs of the avionics; user obstacles to be recorded to a nonvolatile memory and restored from this nonvolatile memory.

Abstract: A localization method for locating a target that is coupled with a locator transponder associated with a permanent identification code permanently assigned to the locator transponder is provided.