A radar system includes a plurality of antennas and a controller. The plurality of antennas is configured to detect a reflected radar signal reflected by an object in a field-of-view of the system. Each antenna of the plurality of antennas is configured to output a detected signal indicative of the reflected radar signal detected by the antenna. The controller is configured to receive detected signals from the plurality of antennas, and determine if a target is present in the field-of-view based on the detected signals. The controller is also configured to determine if the target includes more than one object based on an analysis of phases of the detected signals.

Embodiments relate to systems methods and computer readable media to enable a wireless communication device are described. In one embodiment a wireless communication device is configured for phased array communications. The wireless communication device comprises radar circuitry to detect objects that scatter a transmit radiated signal from the wireless communication device. Control circuitry is used to adjust the transmit radiated power of the phased array communications based on information provided by the radar circuitry.

An electronic circuit includes adjustment units configured to receive a same oscillating signal having a predetermined frequency and to adjust a phase and an amplitude of the oscillating signal to produce output oscillating signals, coupling points configured to supply the output oscillating signals produced by the adjustment units to antennas, couplers provided in one-to-one correspondence with outputs of the adjustment units, equal-length lines sharing the same length and extending from the couplers, respectively, mixer circuits coupled to the equal-length lines, respectively, each of the mixer circuits being configured to receive a same reference oscillating signal having the predetermined frequency and a corresponding one of the output oscillating signals, and a control circuit configured to cause the adjustment units to adjust at least one of the phase and the amplitude in response to direct-current components in outputs of the mixer circuits.

A method of collecting data using a polarimetric phased array antenna is described. The method includes directing electromagnetic signals to selected panels of an array of panels so as to transmit a dual H and V polarized electromagnetic beam (1) having the same beam width in all azimuth directions and (2) maintaining cross-polarization isolation via orthogonal dual-polarizations in all beam pointing directions. The panels include antennas having a horizontally (H) polarized array element and a vertically (V) polarized array element arranged to form two orthogonally polarized horizontal and vertical radiating fields which together form the dual H and V polarized electromagnetic beam. The array of panels is arranged so as to form a substantially cylindrical configuration on a support system. Reflection signals sensed by the selected panels formed by scattering of said dual H and V polarized electromagnetic beam are received and have a reflection frequency spectrum.

An electromagnetic tracking system includes a handheld controller including a first phased array element characterized by a first phase and a second phased array element characterized by a second phase different than the first phase. The first phased array element and the second phased array element are configured to generate a steerable electromagnetic beam characterized by an electromagnetic field pattern. The electromagnetic tracking system also includes a head mounted augmented reality display including an electromagnetic sensor configured to sense the electromagnetic field pattern.

Provided is a radar device, wherein a transmission array antenna includes a plurality of transmission antennas that are linearly disposed in a first direction, the intervals between respective adjacent transmission antennas of the plurality of transmission antennas increase from one side toward the other side in the first direction, a reception array antenna includes a plurality of reception antennas that are linearly disposed in the first direction, and the intervals between respective adjacent transmission antennas of the plurality of reception antennas decrease from one side toward the other side.

Described embodiments provide techniques for controlling a phased array system by a control system including one or more distributed control stations. At least one of the control stations displays a control interface having a status window, a beam window, and a scan window. The control system instructs the phased array system to operate in an operating mode selected from among selectable operating modes displayed in the status window. In the beam window, at least one beam is selected from among selectable beams available to track a target. The control system instructs the phased array system to form the selected beam and assigns the formed beam to (i) track a target detected by the phased array system, or (ii) monitor a selected location. The scan window displays (i) targets tracked by the phased array system, and (ii) beams generated by the phased array system.

A radar antenna includes parasitic elements for influencing the radiation characteristics of the radar antenna, the radiation characteristics of the radar antenna being dependent upon the spatial position of the parasitic elements relative to the radar antenna and phase positions (φ1, φ2, φ3) of energies radiated off the radar antenna and the parasitic elements. The radar antenna is designed using microstrip technology.

This electronic device comprises a plurality of transmitting antennas installed in a mobile body and a transmission controller configured to control transmitted waves to be transmitted from the plurality of transmitting antennas to form a beam in a predetermined direction. The transmission controller controls the predetermined direction in which the beam is formed according to a steering direction of the mobile body.

A tracking system comprising: a transmitter configured to steer an RF beam across a detection range, a passive RFID tag configured to be enabled for locating substantially when located in the center of the RF beam of the transmitter, and an RFID reader configured to detect the tag 104 once enable.