A system including a radar receiver, a computer readable medium, and a processor. A data structure containing historical information pertaining to weather conditions for multiple locations may reside in the medium. The processor may be configured to: obtain aircraft data including information of an aircraft position; obtain external data; obtain a portion of the historical information pertaining to a location corresponding to the aircraft position; obtain weather radar data; analyze the weather radar data to determine if windshear exceeds a windshear alert threshold; upon an occurrence of the windshear exceeding the windshear alert threshold, determine whether to issue or suppress a windshear alert based on the aircraft data, the external data, and/or the portion of the historical information; and one of a) output the windshear alert for presentation to a user or b) adjust the windshear alert threshold causing the windshear alert to be suppressed and/or suppress the windshear alert.

A radar detection method includes transforming a beat frequency signal of a radar into a two-dimensional spectrogram; intercepting, based on a time domain sliding step, a plurality of measurement units (MUs) whose time domain lengths are equal to a frequency modulation period of the radar from the two-dimensional spectrogram, where a length of the time domain sliding step is less than the frequency modulation period of the radar; and determining a radar detection result based on each of the plurality of MUs.

The approach relates to a method for locating roadway markings by a motor vehicle, wherein the motor vehicle has a camera, the image data from which are evaluated into roadway marking data describing the presence and the position of roadway markings. At least one ground penetrating radar sensor of the motor vehicle is directed at the ground being driven over, the radar data from which sensor is evaluated to determine ground data describing the ground structure of the ground being driven over. A mapping database is used in which roadway marking data indicating the presence of roadway markings and ground data assigned to the same recording location are stored in association with one another. At least on detection of a ground covering obscuring roadway markings in the camera data using the ground data, a current ground structure is compared on the basis of the ground data with at least one or more ground structures in the database and, in the event of a match, the roadway marking data associated with the ground data of the matching ground structure are used.

The present disclosure relates to a hearing device comprising a first radar sensor configured for obtaining first radar data indicative of a shape of a first pinna of the first ear of a user. A processing unit of the hearing device is configured to receive the first radar data from the first radar sensor, and determine, based on the first radar data, a shape of the first pinna.

A system comprises a personal device such as one used by law enforcement, and a housing containing a portable radar system with both a ranging resolution and lateral resolution sufficient to detect an object concealed on a person (e.g., one that operates in the THz range), where the housing is configured to be mounted in contact with the personal device such that when mounted, the combined handheld device and housing have a form factor that allows it to retain its characteristic as a personal device, and where the portable radar system is configured to, when in operation, emit a radar beam and to receive a reflection of the emitted radar beam.

A radar apparatus according to the present disclosure includes: a transmission unit configured to transmit radio waves; a reception unit including a first receiver configured to receive a first reflected radio wave and a second receiver configured to receive a second reflected radio wave, the first reflected radio wave and the second reflected radio wave having different polarization characteristics from each other and being included in reflected radio waves that are the radio waves reflected by a detection target; and a control unit configured to control operations of the transmission unit and the reception unit, and configured to identify the detection target on the basis of the operation of the transmission unit, a first reception level at the first receiver, and a second reception level at the second receiver.

In an embodiment, a method for air-writing character recognition includes: determining a position of an object in a monitoring space using a plurality of millimeter-wave radars, where each millimeter-wave radar of the plurality of millimeter-wave radars has a field of view, and where an intersection of the fields of view of the plurality of millimeter-wave radars forms the monitoring space; tracking the position of the object in the monitoring space over time using the plurality of millimeter-wave radars; determining a character symbol depicted by the tracked position of the object over time using a neural network (NN); and providing a signal based on the determined character symbol.

A system and method for patient movement detection and fall monitoring to address the need to proactively monitor patients to detect abnormal movements, in-room activity, and other movements associated with providing in-room care. The system comprises an environmental model which can be used to track the position and movement of a patient and a classifier network configured to receive movement data and classify a patient's movement as normal or abnormal movement. In addition to monitoring in-room activity, the system and method create safe zones within the room to ensure patients are proactively monitor in the event of a seizure, fall, or other unintended activity. The system will record and store in-room video in a secure environment. Videos and notifications are automatically sent to designated staff as events occur.

A device for measuring 3D coordinates associated with an object in an environment, comprising: a 3D reflected wave measuring device having a 3D coordinate system for measuring 3D coordinates of an object in the environment, the 3D reflected wave measuring device having a first frame of reference; and an orientation sensing device to indicate an orientation of the 3D reflected wave measuring device in an environment for aligning the first frame of reference with a second frame of reference that is associated with the environment. The device may be a fall detector device, although other applications are possible.

A mm-wave system includes transmission of a millimeter wave (mm-wave) signal by a plurality of transmitters to multiple objects, and receiving of return—mm-wave signals from the multiple objects by a plurality of receivers. A processor is configured to perform an algorithm to derive complex-valued samples and angle measurements from each receiver to identify one object from another object. The processor further extracts signal waveforms that correspond to each object and process the extracted signal waveforms to estimate breathing rate and heart rate of the identified object.