Abstract: RADAR assemblies and related structures for vehicles. In some embodiments, a RADAR assembly may be provided comprising a RADAR module, a bracket coupled with the RADAR module, and a conformal layer comprising a surface configured to conform with and be positioned adjacent to a surface of a portion of vehicle fascia. The conformal layer may be configured to decrease the reflectivity of electromagnetic radiation from the RADAR module relative to the vehicle fascia. The RADAR assembly may be configured to be coupled with the vehicle fascia such that the conformal layer is spaced apart from the vehicle fascia to define an air gap between the conformal layer and the vehicle fascia, and the air gap may be configured to further decrease the reflectivity of electromagnetic radiation from the RADAR module relative to the vehicle fascia.

Abstract: A system and method to perform target detection includes transmitting frequency modulated continuous wave (FMCW) pulses as chirps from a radar system. The method also includes receiving reflections resulting from the chirps, and processing the reflections to obtain a range-chirp map for each beam associated with the transmitting. Curve detection is performed on the range-chirp map for each beam, and one or more targets is detected based on the curve detection.

Abstract: The invention discloses a receiver of GNSS positioning signals which has embedded computer logic to select between a first operating mode, which uses all available frequencies, and a second operating mode, which uses only part of the available frequencies but in combination with available correction data. The selection is based on a comparison of an index of quality of reception at the receiver and a computed or predicted precision/confidence level of the corrections. A plurality of corrections types are possible, including a type using a local model and a type using collaborative corrections. In some embodiments, a selection and/or a combination of a plurality of local models may be made to optimize the accuracy of the corrections.

Abstract: Methods, systems, and computer program products for in-pipeline maintenance, delivery and management of sensors are provided herein. An exemplary computer-implemented method includes detecting a sensor within a pipeline via an in-pipeline sensor management system, determining a path for the in-pipeline sensor management system to travel to the detected sensor, and automatically attaching the in-pipeline sensor management system to the detected sensor upon a determination that the in-pipeline sensor management system has completed the path and reached the detected sensor. The method also includes determining maintenance operations to be performed on the detected sensor based on real-time data pertaining to the sensor and historical operation records pertaining to the detected sensor.

Abstract: A beam former module includes a package base and an interconnect structure formed within the package base. The beam former module also includes a first true time delay (TTD) module attached to the package base. The first TTD module includes a plurality of switching elements configured to define a signal transmission path between a signal input and a signal output of the first TTD module by selectively activating a plurality of time delay lines. The signal input and the signal output of the first TTD module are electrically coupled to the interconnect structure. In some embodiments, the interconnect structure includes at least one TTD meander line and at least one of the time delay lines of the first TTD module is electrically coupled to the at least one TTD meander line.

Abstract: A semiconductor structure includes first and second device regions. The first device region contains an entirety of a first active area of a first logic device, the second device region contains an entirety of a second active area of a second logic device, and the second device region shares a boundary with the first device region. The semiconductor structure also includes a first metal zero pin positioned partially within the first device region, partially within the second device region, and extending across the boundary, and a via contacting the first metal zero pin. A distance from the center of the via to the boundary is less than or equal to a first predetermined distance, and the via is electrically connected to one of the first logic device or the second logic device.

Abstract: Systems, methods, and non-transitory computer-readable media can receive a frame of data generated by a radar system on a vehicle that is associated with an environment at a particular time as detected by the radar system. The frame of data can comprise a plurality of angular positions. Data points included within the frame of data that correspond to the plurality of angular positions can be determined. A fit of a curve having a trigonometric function can be determined to the data points. A speed estimate for the vehicle can be generated based at least in part on the fit of the curve to the data points.

Abstract: A transistor device includes a first silicon nanowire array-MOSFET and a second silicon nanowire array-MOSFET integrated with a bulk drift region. The first silicon nanowire array-MOSFET is configured as an n-MOSFET by substantially only accommodating an electron current, and the second silicon nanowire array-MOSFET is configured as a p-MOSFET by substantially only accommodating a hole electron current. A current strength of a current through the first silicon nanowire array-MOSFET caused by electrons is at least 10 times larger than a current through the first silicon nanowire array-MOSFET caused by holes in an on-state of the transistor device. Further embodiments of transistor devices are described.

Abstract: Embodiments described herein generally relate to monodisperse nanoparticles that are capable of absorbing infrared radiation and generating charge carriers. In some cases, at least a portion of the nanoparticles are nanocrystals. In certain embodiments, the monodisperse, IR-absorbing nanocrystals are formed according to a method comprising a nanocrystal formation step comprising adding a first precursor solution comprising a first element of the nanocrystal to a second precursor solution comprising a second element of the nanocrystal to form a first mixed precursor solution, where the molar ratio of the first element to the second element in the first mixed precursor solution is above a nucleation threshold.

Abstract: Systems, methods, and software described herein provide enhancements for managing data storage in a spaceborne or airborne platform. In one implementation, an airborne device in an airborne platform may identify a request to store a data object in a storage pool provided by a plurality of airborne devices. The airborne device will further identify at least one airborne device for storing the data object from the plurality of airborne devices, and communicate the data object to the at least one airborne device.

Abstract: A system obtains navigation data for Galileo from at least one terrestrial apparatus. The obtained navigation data corresponds to navigation data transmitted by a Galileo satellite. The system assembles assistance data comprising navigation data for Galileo and further data in an interrelated manner such that a message authentication codes (MACs) included for the navigation data for Galileo is usable for verifying authenticity of the further data as well. The system transmits the information to a device, which verifies the authenticity of the included navigation data for Galileo based on the MACs. Only in case the navigation data for Galileo in the assistance data is determined to be authentic, it considers the further data to be authentic.

Abstract: A radar apparatus includes: a transmission processor which transmits first wave signals from inside of the bumper toward outside, the transmission processor being provided inside of the bumper; a reception processor which receives an object-reflected wave signal that is a reflection of the first wave signals by a target in an area around the vehicle, a bumper-reflected wave signal that is a reflection of the first wave signals by the bumper, and a transmission and reception leak signal of the first wave signals and detects the target through the object-reflected wave signal; and a bumper determiner which detects a first reception level of a second wave signal including the bumper-reflected wave signal and the transmission and reception leak signal, compares the first reception level with a threshold, and determines the presence of a bad bumper state in a case where the first reception level is higher than the threshold.

Abstract: An interferometric vibration observation device includes a transmitting unit, a receiving unit and a signal processing unit. The transmitting unit transmits a transmission signal toward an observation object. The receiving unit receives a reflection wave from the observation object with a plurality of receiving antennas and generates a reception signal for each of the receiving antennas. The signal processing unit obtains a phase plane of the reflection wave to an antenna plane from a phase difference between the reception signals, identifies an arrival direction and a signal strength of the reflection wave, calculates a phase variation of the reflection wave from a certain direction, and generates an observation signal representative of a vibration of the observation object or a certain site of the observation object.

Abstract: A method for measuring a distance separating a vehicle and an identifier is disclosed. The method includes transmitting, from the vehicle to the identifier, a first train of first sinusoidal signals, receiving, by the identifier, an image train of second sinusoidal signals corresponding to the first sinusoidal signals, generating, by the identifier, measurements of phases and amplitudes of the second sinusoidal signals that are altered from the first sinusoidal signals by transmission from the vehicle to the identifier, constructing a frequency spectrum based on the measurements and a second image train received by the vehicle from the identifier, where the frequency spectrum is constructed by detecting spectral lines of the first image train and the second image train, performing an inverse Fourier transform of the frequency spectrum to obtain a temporal signature, and calculating the distance on the basis of an intermediate time associated with a maximum of the temporal signature.

Abstract: System and methods are provided which involve a radar system that includes one or more signal generators configured for generating a composite radar waveform formed by combining different component waveforms; and a detector for detecting reflected signals from the composite waveform and determining velocity and distance measurements of a target relative to a host vehicle. Advantageously, the first and second component waveforms are selected such that the composite waveform is able to meet two different sets of resolution requirements with respect to at least one of: (i) the velocity measurement of the target vehicle relative to the host vehicle and (ii) the distance measurement of a target vehicle relative to the host vehicle. Notably, each of the different sets of resolution requirements is pre-selected based on a different type of detection scenario.

Abstract: An integrated radio-frequency circuit for a radar sensor, having a clock input that is designed to receive a clock signal produced externally to the integrated radio-frequency circuit, having a local oscillator that is designed to produce a local radio-frequency signal, having a radio-frequency input that is designed to receive an external radio-frequency signal produced externally to the integrated radio-frequency circuit, and having a changeover switch that is coupled to the local oscillator and to the radio-frequency input and is designed to change over between the local radio-frequency signal and the external radio-frequency signal for the production of a radar signal. In addition, a corresponding radar sensor and a corresponding operating method, are also described.

Abstract: A GNSS receiver for generating distance estimates from multiple GNSS satellites. The GNSS receiver includes an antenna and an RF front end coupled to the antenna configured to generate a plurality of samples related to a received signal. The GNSS receiver includes a correlator coupled to the RF front end configured to perform various operations including performing three correlations on the plurality of samples with three local code to generate three correlation results, where the three local codes are shifted in time or distance with respect to each other. The GNSS receiver includes a processor for defining a first slope using the first correlation result and the second correlation result, defining a second slope using the second correlation result and the third correlation result, and defining a code discriminator as a sum of the first slope and the second slope.

Abstract: There is provided a radar device. A signal processing unit is configured to: acquire first and second estimate peaks estimated as a first peak in a rising section and a second peak in a falling section; extract first and second history peaks existing in a predetermined range from the first and second estimate peaks. A determining unit is configured to determine that the signal processing unit has erroneously extracted the first peak corresponding to a still object as the first peak corresponding to a moving object, if an accuracy of pairing of the first history peak and a second object peak existing in a predetermined range apart from the first history peak by a predetermined distance is larger than an accuracy of pairing of the first and second history peaks in a situation where a distance between the radar device and the moving object decreases.

Abstract: A system with at least one device obtains assistance data for Galileo for a current time from at least one terrestrial apparatus. The system predicts assistance data for Galileo for a plurality of subsequent time instants based on the obtained assistance data for Galileo and associates for each subsequent time instant a separate message authentication code with the predicted assistance data. The system causes transmission of information comprising at least the predicted assistance data for Galileo and the associated message authentication codes to a satellite signal receiver.

Abstract: Systems and methods for detecting a pinch event or obstruction to a movable component of a patient support. In some embodiments, the patient support apparatus may include a control system capable of controlling one or more actuator systems coupled to one or more movable components of the patient support apparatus. The control system may operate according to one or more modes of operation in controlling the actuator system to move a component from a first position to a second position. In one embodiment, the control system may receive sensor feedback indicative of one or more operating characteristics of an actuator system, and analyze the sensor feedback differently in one mode than in another. In one embodiment, the controller may receive sensor feedback indicative of both a speed of a component coupled to the movable component and a current of power supplied to an electric motor of the actuator system.