Abstract: The various technologies presented herein relate to detecting one or more vehicle tracks in radar imagery. A CCD image can be generated from a first SAR image and a second SAR image captured for a common scene, wherein the second SAR image may include a vehicle track that is not present in the first SAR image. A Radon transform (RT) process can be applied to each pixel in the CCD image, and further, a radial derivative (RDRT) can be determined for each pixel from RT values derived for each pixel. Each pixel can be labelled as being related to a track, or not, based upon a unary cost obtained from the RDRT value of that pixel, combined with a probability of the pixel label based upon labels applied to neighboring pixels. A labelled representation of the CCD image can be generated based upon the determination of “track” or “not track”.

Abstract: A system and method of controlling operation of a host device in real-time, the host device operatively connected to an optical device and a radar device. The optical device is configured to obtain visual data of at least one object. The object is located at an incline, relative to the host device, the incline being characterized by an elevation angle (?) and an azimuth angle (?). The radar device is configured to obtain radar data, including a radial distance (r) of the object from the host device, the azimuth angle (?), and a range rate (dr/dt). The controller is programmed to determine a time-to-contact for the host device and the object based at least partially on a 3-D position and 3-D velocity vector. The operation of the host device is controlled based at least partially on the time-to-contact.

Abstract: A pedestrian collision avoidance system for a vehicle including a radar sensor, a video camera, and an electronic control unit (ECU). The ECU detects an object in the video information and classifies the object as a pedestrian based on a comparison of the video information with a database. The ECU determines a distance to the pedestrian based on the radar information and determines a characteristic of the pedestrian based on the video information, the distance, and the database. When the pedestrian ceases to be detected by the radar sensor, the ECU determines an updated distance to the pedestrian based on the video information and the characteristic of the pedestrian. The ECU determines whether a potential for collision exists between the vehicle and the pedestrian based in part on the distance to the pedestrian, and when the potential for collision is present, the ECU activates an automatic vehicle response.

Abstract: A mobile navigation system includes a directive beamforming antenna carried by the vehicle, emitting first and second sensing beams in first and second directions at first and second time points, respectively; an electromagnetic wave reflector installed in the target zone, receiving the first and second sensing beams, and transmitting first and second retro waves back; and a processor electrically coupled to the directive beamforming antenna, receiving the first and second retro waves, and determining a direction where the vehicle will be guided to move according to information of the first and second retro waves. A coverage area of the first sensing beam and a coverage area of the second sensing beam partially overlaps with each other, and the direction where the vehicle will be guided to move lies between the first direction and the second direction.

Abstract: Methods and apparatus utilizing time division access of multiple radar transceivers in living object detection for wireless power transfer applications are provided. In one aspect, an apparatus for detecting an object in a detection area of a wireless power transfer system is provided. The apparatus comprises a plurality of radar transceivers. The apparatus comprises a processor configured to group the plurality of radar transceivers into pairs of radar transceivers. The processor is configured to instruct each of the pairs of radar transceivers to transmit radar signals during a corresponding time slot of a plurality of time slots. The processor is configured to instruct each of the pairs of radar transceivers to receive the radar signals during the corresponding time slot of the plurality of time slots. The processor is configured to detect the object in the detection area based on at least some of the radar signals received by each of the pairs of radar transceivers.

Abstract: A platform configured to acquire images and/or radio signals and to be carried by lightweight aircraft includes housing structure that houses an acquisition sensor to acquire still and/or moving images and radio signals receivers to acquire radio signals. The housing is configured to be coupled to light aviation aircraft. Sensing data is provided from a position and motion sensing unit coupled to the sensor. The processing structure controls and/or programs, on the basis of the received sensing data, each sensor to enable the sensor to acquire images and/or radio signals when the sensor is in a determined position and is subject to oscillations below a maximum velocity value. A rate of variation of actual aiming of the sensor is not larger in absolute value than a respective maximum value of offset variation rate with respect to an ideal aiming, so as to ensure focusing on an aimed area.

Abstract: The target detecting device comprises a radar sensor, an imaging sensor, and an ECU. The target detected by the radar sensor is selected under certain conditions, for example, i) a reception intensity of the reflected radar waves is equal to or more than a predetermined value, or ii) the target is moving, to be outputted externally. When a stopped vehicle is detected on a road by the sensor, and a target, for example a pedestrian, present behind the stopped vehicle is detected from the image acquired by the imaging sensor by performing image recognition using predetermined patterns of a target, the ECU makes the selection condition less restrictive than the selection condition for targets other than the target present behind the stopped vehicle, or unconditionally selects the target present behind the stopped vehicle.

Abstract: A system for reducing accidents caused by distracted drivers. The system may form an invisible track using material-impregnated grooves and a radar beam, preventing a vehicle from veering away from a road lane. The material-impregnated grooves (MIGs) within one or more road lanes may include scrap metal. The radar beam may be emitted from a transceiver mounted underneath the vehicle such that backscatter from the MIGs is returned to the transceiver.

Abstract: A vehicle computer is programmed to receive reflections of radio-magnetic beams transmitted by an antenna mounted to a vehicle body, and, when it is determined that the vehicle is moving, determine whether the vehicle body has changed shape based on the received reflections and a predetermined base reflection pattern. The computer is further programmed to generate a second base reflection pattern based at least on the received reflections and the predetermined base reflection pattern. The computer can then use the received reflections as vehicle sensor data.

Abstract: A method for determining a volume or a mass of a filling material is provided, in which firstly an empty profile detection mode is assumed in the absence of a filling material, and then a volume or mass determination mode is assumed when the filling material is present. In the empty profile detection mode, an interference point profile is created from echo curves obtained by scanning a container surface. The interference point profile is then taken into account when determining the volume or the mass of the filling material in the volume or mass determination mode, such that volumes or masses of the filling material are determined with increased accuracy.

Abstract: A non-line of sight obstacle detection and localization system and method of detecting and localizing a non-line of sight object include receiving reflections at a detection system of a moveable platform, the reflections including direct and multipath reflections, identifying the reflections associated with static targets to retain the reflections associated with moving targets, and distinguishing between line of sight objects and non-line of sight objects among the moving targets. The method also includes localizing the non-line of sight objects relative to the platform and indicating approaching non-line of sight objects among the non-line of sight objects, the approaching non-line of sight objects moving toward the platform on a path that intersects the platform.

Abstract: Method and apparatus for a phased array system including a plurality of unmanned aerial vehicles (UAVs) configured to fly in an array formation having an array lattice spacing. The UAVs can include a puck having a phased array element and a signal processing module configured to receive and process a signal to achieve for the array lattice spacing a spacing that is less than a wavelength of operation of the phased array elements.

Abstract: A method for estimating the state of a moving system, using a particle filter. The method implements on one reference particle an estimation of the state and includes a first set of variables and a second set of variables. A random mutation, by the particle filter, of the first set of variables is performed followed by parameterization of an extended Kalman filter using the mutated first set of variables. The Kalman filter produces a new particle using the second set of variables and data measured by at least one sensor. The second set of variables includes at least the variables: orientation, speed and position of the moving system. The Kalman filter is configured assuming that the pair of variables orientation and position has a property of invariance upon a rotation or translation and their orientation and speed has a property of invariance on application of a rotation or translation.

Abstract: An object detection device that detects an obstacle in an object by transmitting a signal by a transmission unit, and using reflection signals by a receiving unit, the device including: a sidewall detection circuit that determines whether the vehicle is running on a road having the sidewall, based on an azimuth angle of the object, a distance from the vehicle to the object, Doppler velocities of the reflection signals, and intensities of the reflection signals; a multiple reflection position detection circuit that detects multiple reflection wave components from the reflection signals, based on the Doppler velocities, the azimuth angle, and the reflection intensities when the road is determined to have the sidewall; a detection exclusion range setting circuit that removes the detected multiple reflection wave components from the reflection signals; and an object detection circuit that detects the object using the reflection signals with the multiple reflection wave components removed.

Abstract: An imaging system as disclosed can include multiple bistatic radar sensors configured to transmit electromagnetic waves towards a surface of a target object and configured to measure the electromagnetic waves reflected from the surface of the target object. The imaging system includes a computing device that determines time of flight estimates based on the measured waves. The computing device can draw, within an image model for the target object, multiple candidate surface portions of the surface of the target object based on the TOF estimates and predetermined positions of the bistatic radar sensors. Further, the computing device can assign weights to the candidate surface portions. The computing device can determine points where the candidate surface portions meet with a predetermined probability based on the weights. The computing device is configured to define an estimated surface of the target object in the image model based on the determined points.

Abstract: Electronic devices and a method of providing electronic warfare (EW) data in an encapsulated architecture in a vehicle are generally described. Emitters targeting the vehicle during a mission may be detected and an observable history of each emitter obtained as a function of time. Properties of each emitter may be both inferred based on the observable history and extracted from locally-stored pre-mission intelligence. The emitter properties, as well as current and historical state and threat level of the emitter and effectiveness of various countermeasures may be stored in an adaptive radar model (ARM) for the emitter. Each emitter may have its own ARM. The ARM may be used to take appropriate countermeasures for a particular emitter, based on the emitter alone or taking into account all of the emitters.

Abstract: A radar apparatus (100) for detecting around a ship is provided. The apparatus (100) includes an unstable area detecting module (10) configured to observe a variation in a signal level corresponding to detection data over a plurality of scans, obtain unstableness of the observed detection data, and detect unstable areas (41, 42, 43, 44, 410, 420, 430, 440) based on the unstableness, a determining module (22) configured to measure a size of each of the areas and determine the area as a small target object area (41, 43) when the size of the area is below a given threshold, a processing module (6) configured to process the detection data corresponding to the small target object area (41, 43) to be emphasized when displayed, than the detection data corresponding to the other unstable area (42, 44), and a display unit (8) configured to display the processing result.

Abstract: A system for determining a spatial disposition or a characteristic of a target external to a terrestrial vehicle is provided. The system may comprise a radar antenna array comprising a transmitting antenna and a receiving antenna, a vehicle position sensor configured to obtain a spatial disposition of the terrestrial vehicle, and a controller operatively coupled to the radar antenna array and the vehicle position sensor. The controller can be configured to synchronize successive radar pulses transmitted by the transmitting antenna and a plurality of signals received by the receiving antenna, with the spatial disposition of the terrestrial vehicle obtained by the vehicle position sensor substantially in real time as the terrestrial vehicle is in motion, to generate a set of synchronized measurements, and use the set of synchronized measurements to determine (i) the spatial disposition of the target relative to the terrestrial vehicle or (ii) the characteristic of the target.

Abstract: A radar apparatus generates a spectrum distribution where frequencies in a beat signal are associated with intensities of respective frequency components. Based on a plurality of spectrum distributions generated over a predetermined number of measurement cycles prescribed in advance, the radar apparatus generates a reflection intensity distribution where frequencies are associated with road surface reflection intensities of the radar wave from a road surface at each frequency. In the reflection intensity distribution, the radar apparatus detects an intensity peak indicating a frequency that maximizes the road surface reflection intensity. Based on the detected intensity peak, the radar apparatus determines at least whether or not the radar apparatus is in an axis deviation state that is taken as a state where a reference axis of the radar apparatus has an inclination of not less than a prescribed angle in a vehicle height direction relative to a horizontal axis prescribed to a vehicle.

Abstract: A trailer-detection system includes a radar-sensor, an angle-detector, and a controller. The radar-sensor is used to detect an other-vehicle present in a blind-zone proximate to the host-vehicle. The angle-detector is used to determine a trailer-angle relative to a host-vehicle of a trailer being towed by the host-vehicle. The controller is in communication with the angle-detector and the radar-sensor. The controller is configured to determine a trailer-presence of the trailer based on the radar-signal and the trailer-angle.