Provided is a two-dimensional phased array antenna having a simple configuration capable of reducing the number of control systems and the number of control input ports for phase control of antenna elements. The phased array antenna comprises a plurality of antenna elements arranged in a first direction and a second direction intersecting the first direction, a plurality of frequency mixers for respectively supplying transmission signals with a predetermined transmission frequency (f) to the plurality of antenna elements, and means for generating a plurality of first mixing signals having a predetermined first phase difference (Δφ.sub.1) between the antenna elements adjacent to each other in the first direction and a plurality of second mixing signals having a predetermined second phase difference (Δφ.sub.2) between the antenna elements adjacent to each other in the second direction, based on three frequency-controllable input signals with respective frequencies different from each other, and supplying the plurality of first mixing signals and the plurality of second mixing signals to the plurality of frequency mixers.

To provide a technology related to a gaming table with an antenna detection range defined more appropriately. The gaming table includes a plurality of antennas, a placement board, and a control unit. Each of the plurality of antennas is provided at such a position that a detection range is located above a placement surface of the placement board. Each of the plurality of antennas is provided such that a portion of a first antenna overlaps a portion of a second antenna. The control unit exerts control to identify a tip on the placement board and not to identify the same tip repeatedly.

The present invention belongs to the field of array signal processing and relates to a composite tensor beamforming method for an electromagnetic vector coprime planar array. The method includes: building an electromagnetic vector coprime planar array; performing tensor modeling of an electromagnetic vector coprime planar array receiving signal; designing a three-dimensional weight tensor corresponding to a coprime sparse uniform sub-planar array; forming a tensor beam power pattern of the coprime sparse uniform sub-planar array; and performing electromagnetic vector coprime planar array tensor beamforming based on coprime composite processing of the sparse uniform sub-planar array. Starting from the principles of receiving signal tensor spatial filtering of two sparse uniform sub-planar arrays that compose the electromagnetic vector coprime planar array, the present invention forms a coprime composite processing method based on a sparse uniform sub-planar array output signal.

A method for monitoring a health parameter in a person is disclosed. The method involves transmitting radio waves below the skin surface of a person and across a range of stepped frequencies, receiving radio waves on a two-dimensional array of receive antennas, the received radio waves including a reflected portion of the transmitted radio waves across the range of stepped frequencies, generating data that corresponds to the received radio waves, wherein the data includes amplitude and phase data, deriving data from at least one of the amplitude and phase data, and determining a value that is indicative of a health parameter in the person in response to the derived data.

A base station antenna includes an internal radome and a multi-column antenna array antenna. The internal radome can be configured with a plurality of columns, each having an outwardly projecting peak segment and each neighboring column of the internal radome can be separated by a valley. Each outwardly projecting peak segment(s) is oriented to project toward a front of the base station antenna and is positioned medially aligned over a respective column of the multi-column antenna array to thereby reduce mutual coupling of respective elements and/or columns of elements and/or provide a common near field environment for each element and/or each column.

The present disclosure relates to a communication method and system for converging a 5.sup.th-Generation (5G) communication system for supporting higher data rates beyond a 4.sup.th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an embodiment o, an antenna device in a wireless communication system includes: an antenna module; and a radome covering at least a part of the antenna module, wherein the antenna module includes a first radiator disposed on one surface of the radome and at least one second radiator spaced apart from the first radiator by a specified distance on the one surface to form a loop of the first radiator, wherein the at least one second radiator includes a plurality of gaps opening each of the loops.

A radar device includes a transmission antenna and a reception antenna that is a structure different from the transmission antenna. The transmission antenna includes a single or a plurality of transmission element antennae and a transmission dielectric substrate where the single or the plurality of transmission element antennae is positioned, and a length in a first direction of the transmission antenna is longer than a length in a second direction of the transmission antenna, and the second direction is orthogonal to the first direction. The reception antenna includes a single or a plurality of reception element antennae and a reception dielectric substrate where the single or the plurality of reception element antennae is positioned, a length in a third direction of the reception antenna is longer than a length in a fourth direction of the reception antenna, and the fourth direction is orthogonal to the third direction.

An antenna system mounted on a vehicle according to the present invention may comprise: a first circuit board configured to be mountable to a metal frame; a second circuit board disposed so as to be spaced apart a predetermined distance from the first circuit board through a metal supporter; and an antenna configured to emit a signal transmitted from a power supply unit, said signal being transmitted through a space between the first circuit board and the second circuit board.

Provided is an antenna system mounted on a vehicle according to the present invention. The antenna system comprises: a first printed circuit board (PCB) having a metal pattern and a dielectric region; a second PCB on which a plurality of antennas are disposed; and a slot antenna configured to radiate a signal through a slot region formed adjacent to a junction portion of the first PCB and the second PCB.

The disclosed invention provides a distributed directional aperture (DDA) system that is installed in a vertical lift aircraft that comprises a fuselage and a rotor system including rotary wings rotatably coupled to the fuselage. The DDA system provides capability to receive and/or transmit signals in one or more frequency bands, and provides communications, signals intelligence (SIGNINT), positional sensing, jamming, and offensive cyber on the vertical lift aircraft. The DDA system of the vertical lift aircraft includes a sensor and emitter array subsystem that includes a plurality of sensors and emitters distributed in the rotary wings, a beamformer subsystem that processes the sensor signals and emitter signals, and a telemetry subsystem that conveys signals between the sensor and emitter array subsystem and the beamformer subsystem.