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 lamp device includes: a lamp unit; a radar unit having an antenna; and a shielding member which covers at least a part of the front surface of the radar unit where the antenna is provided and which is made of a foamed resin.

The present disclosure relates to a radar apparatus including a circuit board provided inside a housing having an upper side open, and on which an RF element is mounted on an upper surface, and a cavity having an open lower side and coupled to the upper surface of the circuit board for accommodating the RF element, wherein the cavity includes a coupling portion extending downwardly in a region of a surface coupled to the circuit board, and the coupling portion is inserted into a coupling hole formed in the circuit board to contact a ground plane of the circuit board.

Disclosed is a compact integrated apparatus of an interferometric radar altimeter (IRA) and a radar altimeter (RA) capable of performing individual missions by altitude, which includes: a plurality of antennas; a signal processing control unit selecting an RA mode at a low altitude and selecting an IRA mode at a high altitude based on a mode threshold and selecting an FMCW waveform at the low altitude and selecting an FM pulse waveform at the high altitude based on a waveform threshold; and a transceiving unit transmitting a signal by a first antenna positioned at an outermost portion among the plurality of antennas and receiving a signal by an nth antenna positioned at another outermost portion among the plurality of antennas in the RA mode and transmitting a signal through the first antenna and receiving signals through the plurality of antennas in the IRA mode.

A radar device for a vehicle is provided, comprising a housing with a first housing part and a second housing part (2). The housing parts are connected to each other and form the boundaries of a closed recording space. The radar device also includes a circuit carrier accommodated within the recording space. The circuit carrier features at least one transmission antenna device for the transmission of radar beams, at least one receiving antenna device for receiving radar beams, and features high-frequency electronic circuit devices and low-frequency electronic circuit devices. At least one of the first of the two housing parts is a two-component plastic injection-molded parts, and one of the first of the two components has at least a three times higher thermal conductivity than a second one of the two components.

A method for calibrating a radar system includes generating an RF oscillator signal and distributing the RF oscillator signal to a plurality of phase shifters each providing a respective phase-shifted RF oscillator signal; receiving the phase-shifted RF oscillator signals by corresponding radar chips and radiating the phase-shifted RF oscillator signal via a first RF output channel of a first one of the radar chips; receiving a back-scattered signal by at least one RF input channel of each radar chip and generating a plurality of base-band signals by down-converting the received signals into a base band using the phase-shifted RF oscillator signals received by the corresponding radar chips; determining a phase for each base-band signal; and adjusting the phase shifts caused by the phase shifters such that the phases of the base-band signals match a predefined phase-over-antenna-position characteristic.

A radar sensor having at least one high-frequency component and at least one waveguide structure in the form of a plastic body provided with an electrically conductive surface layer. The radar sensor has at least one further plastic body provided with an electrically conductive surface layer, and the plastic bodies with their conductive surface layers are thermally bonded to one another.

An assortment of radar sensors in different variant embodiments. Each radar sensor has: a housing terminated by a radome, a circuit board that is equipped on the side facing away from the radome with at least one radio-frequency module, and an antenna structure on the side of the circuit board facing the radome. The housing is realized identically in all variant embodiments. The antenna structure has a planar antenna structure in at least one variant embodiment, and has a hollow conductor structure in at least one variant embodiment.

A radar device comprising: a printed circuit board (120), PCB, comprising a ground plane (1202), a radar sensor chip package (130) mounted on the PCB (120) and comprising a mm Wave radio frequency, RF, integrated circuit (1302) and a planar antenna structure (1304) configured as an antenna-in-package and oriented in a plane parallel to the ground plane (1202), wherein the mmWave RF integrated circuit (1302) is configured to output a mmWave signal (1360) to be transmitted by the planar antenna structure (1304), and a cavity (140), wherein the radar sensor chip package (130) is arranged in the cavity (140), the cavity (140) having an open side (1402), and the cavity (140) being defined by a conductive rear wall surface (1404) opposite the open side (1402), a pair of mutually opposite and conductive sidewall surfaces (1406), a conductive top surface (1408), and a conductive bottom surface (1410), wherein at least a portion of the conductive bottom surface (1410) is formed by at least a portion of the ground plane (1202) of the PCB (120), and wherein the sidewall surfaces, the top surface, and the bottom surfaces (1406, 1408,1410) each extends from the rear wall surface (1404) towards the open side (1402) of the cavity (140).

A vehicle sensor device (1) includes an outer cover (12), a sensor unit (20) that transmits and receives an electromagnetic wave through the outer cover (12) and outputs a signal related to the electromagnetic wave incident on an inner side of the outer cover (12), a heater (30) that is provided in the outer cover (12) and heats a transmission region (AR) of the outer cover (12) through which the electromagnetic wave emitted from the sensor unit (20) passes, and a control unit (CO). The control unit (CO) outputs a detection signal of an object located outside the outer cover (12) based on the signal from the sensor unit (20) in at least a part of a period in which the heater (30) is OFF, and stops outputting of the detection signal in at least a part of a period in which the heater (30) is ON.