Examples disclosed herein relate to a reflectarray antenna system with two-dimensional beam scanning that includes a first reflectarray having a polarizing grid that operates as a reflective surface in a first polarization and operates as a transparent surface in a second polarization. The reflectarray antenna system includes a second reflectarray comprising an array of reflectarray cells and arranged parallel to the first reflectarray. The second reflectarray includes a first set of feed elements arranged along a first axis and a second set of feed elements arranged along a second axis orthogonal to the first axis to scan a field of view along the first and second axes. The second reflectarray can radiate radio frequency (RE) beams in the first polarization with the first and second sets of feed elements for reflection at the polarizing grid and radiate reflected RE beams in the second polarization for transmission through the polarizing grid.

Embodiments of this application disclose an antenna. The antenna may be applied to the field of automatic driving and the field of vehicle-to-everything, and the antenna includes a first radiating element and a first feed line. A first end of the first feed line is connected to the first radiating element. The first radiating element and the first feed line are arranged on a same surface of a dielectric substrate. The first feed line includes a first feed line segment, and an acute angle between the first feed line segment and a current direction of the first radiating element is greater than or equal to 20 degrees, and is less than or equal to 70 degrees. A feeding manner of the antenna is parallel feeding.

A double-sided board includes a first-type conductor layer, a second-type conductor layer, a waveguide-filled dielectric layer and a waveguide. The waveguide-filled dielectric layer is a dielectric layer provided between the first-type conductor layer and the second-type conductor layer. The waveguide is provided in such a manner as to penetrate the waveguide-filled dielectric layer in a direction from one of the first-type conductor layer and the second-type conductor layer to the other of the two conductor layers. A cross section of the waveguide in a plane parallel to the first-type conductor layer has a longitudinal direction and a lateral direction perpendicular to the longitudinal direction. The cross section of the waveguide has, along the longitudinal direction, a central part and two end parts located respectively on two sides of the central part. A lateral length of each of the end parts is larger than a lateral length of the central part.

An active radio-frequency (RF) sensing technology for determining the relative and/or absolute state (e.g., position, velocity, and/or acceleration) of a target object (e.g., a person, a car, a truck a lamp post, a utility pole, a building) is described. The sensors described herein operate in the Terahertz band (300 GHz to 3 THz). An active RF sensing device comprises a substrate and first and second semiconductor dies mounted on the substrate. The first semiconductor die has an RF transmit antenna array integrated thereon, and the transmit antenna array comprises a first plurality of RF antennas configured to generate an RF signals having frequency content in the 300 GHz-3 THz band. The second semiconductor die has an RF receive antenna array integrated thereon, and the receive antenna array comprises a second plurality of RF antennas configured to receive RF signals having frequency content in the 300 GHz-3 THz band.

A radar sensing system for a vehicle includes a radar sensor disposed at the vehicle so as to sense exterior of the vehicle. The radar sensor includes a plurality of transmitters that transmit radio signals and a plurality of receivers that receive radio signals. The received radio signals are transmitted radio signals that are reflected from an object. A processor is operable to process an output of the receivers. The radar sensor includes a printed circuit board having circuitry disposed thereat. The radar sensor includes a radome. At least some of the antennas are embedded or encapsulated in the radome.

Examples disclosed herein relate to a range adaptable antenna system for use in autonomous vehicles. The antenna system has a connector and a transition layer to receive an RF transmission signal from a transmission signal controller, a range adaptable power divider layer coupled to the connector and transition layer to divide the RF transmission signal into a plurality of transmission signals to propagate through an array of transmission lines, with a set of transmission lines from the array of transmission lines having a set of switches, an RFIC layer having a plurality of phase shifters to apply different phase shifts to the plurality of transmission signals and generate a plurality of phase shifted transmission signals, and an antenna layer having an array of superelements for radiating the plurality of phase shifted transmission signals, wherein a set of superelements is connected to the set of switches in the range adaptable power divider layer for deactivation.

An integrated radar circuit comprising: a first substrate, of a first semiconductor material, said first substrate comprising an integrated transmit and receive radar circuit; a second substrate, of a second semiconductor material, said second substrate comprising at least on through-substrate cavity having cavity walls; at least one discrete transistor chip, of a third semiconductor material, said at least one discrete transistor chip having chip walls and being held in said at least one through-substrate cavity by a metal filling extending from at least one cavity wall to at least one chip wall; a conductor on said second substrate, electrically connecting a portion of said integrated transmit and receive radar circuit to a discrete transistor on said at least one discrete transistor chip.

A method for manufacturing a heatable plastic component for a motor vehicle, which includes: providing a planar heating film, which has a first surface and a second surface that faces away from and is opposite the first surface, including at least one heating wire and connecting elements; introducing the planar heating film into an injection mold; mounting a connector housing onto the connecting elements; and back-molding the first surface with a plastic for manufacturing a first partial element of the heatable plastic component in the injection mold. In order to provide an improved method for manufacturing a heatable plastic component, it is proposed that a back-molding of the second surface with a plastic for manufacturing a second partial element of the heatable plastic component in the injection mold takes place such that a composite is formed from the first partial element, the planar heating film and the second partial element.

A vehicle lamp mounted on a vehicle includes: a lamp housing; a lamp cover that covers an opening of the lamp housing; at least one illumination unit disposed in a lamp chamber formed by the lamp housing and the lamp cover; a radar disposed in the lamp chamber and configured to acquire radar data indicating a surrounding environment of the vehicle by emitting a radio wave to an outside of the vehicle; and a dielectric lens disposed in front of the radar and configured to allow the radio wave emitted from the radar to pass therethrough. The dielectric lens is configured to narrow a spread angle of the radio wave emitted from the radar.

An illuminated cover for an electromagnetic sensor, such as a radar sensor. The cover comprises a multilayer plate that is substantially transparent to the electromagnetic radiation emitted and/or received by the electromagnetic sensor. The plate includes a first layer of optically transparent material and a second layer on at least one surface of the first layer and having a lower refractive index than the first layer. A graphic layer is provided on the second layer. At least one light source is arranged to couple light into the first layer, which acts as a light guide. At least one surface of first layer is further provided with at least one optical element for outcoupling light from the first layer.