Abstract: A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetween. An operating frequency band of the first antenna unit is a first frequency band; an operating frequency band of the second antenna unit is a second frequency band; the filtering unit is configured to reflect an electromagnetic wave of the first frequency band and to transmit an electromagnetic wave of the second frequency band; the first antenna unit is configured to receive the electromagnetic wave of the first frequency band and to reflect the received electromagnetic wave of the first frequency band by the filtering unit; and the second antenna unit is configured to receive and reflect the electromagnetic wave of the second frequency band transmitted by the filtering unit.

Abstract: A phase shifter and a preparation method thereof, and an electronic device. The phase shifter includes: an adjustable dielectric layer, arranged between a first electrode layer and a second electrode layer, and including a first support structure, wherein the first support structure is arranged on at least one side of a first region, and an orthographic projection of the first support structure on a first base plate is at least non-overlapping with an orthographic projection of the first region on the first base plate. The phase shifter provided in the present application is arranged in the non-capacitive overlap region between the first base plate and the second base plate through the first support structure, which can not only provide good support, but also reduce or even eliminate the impact on phase shifting, achieving large phase shift amount, high uniformity of phase shift degrees, and low loss.

Abstract: The present disclosure provides a method for measuring a lens parameter and a device for measuring a lens parameter. The measuring method includes: acquiring an imaged image of the at least single-sided test pattern of the measuring member formed by the imaging module; obtaining a central imaged image and an edge imaged image based on the imaged image, wherein the central imaged image and the edge imaged image are at least partially non-overlapping, and the central imaged image is closer to a center of the imaged image than the edge imaged image; acquiring a central imaging quality parameter based on the central imaged image, and acquiring an edge imaging quality parameter based on the edge imaged image; and determining the lens parameter of the to-be-measured lens based on the central imaging quality parameter and the edge imaging quality parameter.

Abstract: An adjustable antenna array and an electronic apparatus are provided. The adjustable antenna array includes: a first substrate and a second substrate opposite to each other, and antenna sub-arrays in an array. Each of at least some antenna sub-arrays includes a phase shifter, a power division feeding network, and a plurality of radiating units. The phase shifter and the power division feeding network are between the first substrate and the second substrate. At least some radiating units are connected to the phase shifter through the power division feeding network. Antenna patterns corresponding to the plurality of radiating units at least include patterns on a side of the second substrate away from the first substrate. An area of an orthographic projection of the power division feeding network on the first substrate is smaller than an area of an orthographic projection of the phase shifter on the first substrate.

Abstract: The present disclosure provides a radio frequency apparatus, an antenna and an electronic device, and belongs to the field of communication technology. The radio frequency apparatus includes first and second dielectric substrates opposite to each other, first and second phase shifting structures between the first and second dielectric substrates; wherein the radio frequency apparatus further includes a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the first connection electrode; the second ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure.

Abstract: An antenna, an antenna array and an electronic apparatus are provided. The antenna includes a phase adjusting structure, a driving structure, a radiating structure, a reference electrode layer, and an isolation layer. The driving structure is electrically connected to the phase adjusting structure to provide a driving voltage to the phase adjusting structure, the radiating structure is configured to transmit the received microwave signal to the phase adjusting structure and radiate the adjusted microwave signal; the isolation layer has a first opening, an orthographic projection of the first opening on a plane where the reference electrode layer is located at least partially overlaps with an orthographic projection of the radiating structure on the plane, does not overlap with an orthographic projection of the driving structure on the plane, and an orthographic projection of the isolation layer on the plane covers the orthographic projection of the driving structure on the plane.

Abstract: Provided are an antenna structure, an array antenna and an electronic device. The antenna structure includes a first substrate, a second substrate and a dielectric layer with an adjustable dielectric constant. The first substrate includes a first base and a first and a second radiation phase shift unit. The second substrate includes a second base and a third and a fourth radiation phase shift unit. Orthographic projections of the first and third radiation phase shift units on the first base at least partially overlap. Orthographic projections of the second and fourth radiation phase shift units on the first base at least partially overlap. A first included angle is formed between extending directions of radiation areas of the first and second radiation phase shift units; a second included angle is formed between extending directions of radiation areas of the third and fourth radiation phase shift units.

Abstract: Provided is an antenna. The antenna includes: a first antenna unit and a second antenna unit, wherein the first antenna unit includes a first phase-tuning structure and a first radiation structure, and the second antenna unit includes a second phase-tuning structure and a second radiation structure; wherein a first feed terminal of the first phase-tuning structure is electrically connected to the first radiation structure, and a first feed terminal of the second phase-tuning structure is electrically connected to the second radiation structure; and a feed direction of the first feed terminal of the first phase-tuning structure to the first radiation structure is a first direction, and a feed direction of the first feed terminal of the second phase-tuning structure to the second radiation structure is a second direction, the first direction being different from the second direction.

Abstract: Provided is a dual-polarized antenna.

Abstract: A liquid crystal antenna is provided. The liquid crystal antenna includes a liquid crystal layer, a first substrate, a second substrate, a first connection portion and a second connection portion. The first substrate and the second substrate are located on both sides of the liquid crystal layer in a first direction. The first substrate includes a plurality of first control lines, and the second substrate includes a plurality of second control lines. The first connection portion and the second connection portion are located on the same side edge of the liquid crystal antenna and are staggered in the first direction. The first connection portion is electrically connected to the plurality of first control lines, and the second connection portion is electrically connected to the plurality of second control lines.

Abstract: An antenna having high isolation and a low cross-polarization level, a base station, and a terminal are provided. The antenna includes a radiation layer, a feed layer, and an aperture coupling layer disposed between the radiation layer and the feed layer. The aperture coupling layer includes a metal sheet. A first feeding slot, a second feeding slot, and a middle slot are configured in the metal sheet. The middle slot is located between the first feeding slot and the second feeding slot, and is located in a weak electric field region of the metal sheet. The middle slot is configured between the first feeding slot and the second feeding slot of the metal sheet.

Abstract: A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetween. An operating frequency band of the first antenna unit is a first frequency band; an operating frequency band of the second antenna unit is a second frequency band; the filtering unit is configured to reflect an electromagnetic wave of the first frequency band and to transmit an electromagnetic wave of the second frequency band; the first antenna unit is configured to receive the electromagnetic wave of the first frequency band and to reflect the received electromagnetic wave of the first frequency band by the filtering unit; and the second antenna unit is configured to receive and reflect the electromagnetic wave of the second frequency band transmitted by the filtering unit.

Abstract: An antenna, a control method for an antenna, an antenna array and an electronic device are provided, and belong to the field of communication technology. The antenna includes a first tunable dielectric layer between the first dielectric substrate and the second dielectric substrate opposite to each other; a radiation component and at least one first tuning electrode on the first dielectric substrate; at least one second tuning electrode and a reference electrode layer on the second dielectric substrate; orthographic projections of the radiation component, the first tuning electrode and the second tuning electrode on the first dielectric substrate overlap with an orthographic projection of the reference electrode layer on the first dielectric substrate. Orthographic projections of each first tuning electrode and a corresponding second tuning electrode on the first dielectric substrate at least partially overlap with each other, to form a tunable capacitor electrically connected to the radiation component.

Abstract: Provided are an antenna structure, an array antenna and an electronic device. The antenna structure includes a first substrate, a second substrate and a dielectric layer with an adjustable dielectric constant. The first substrate includes a first base and a first and a second radiation phase shift unit. The second substrate includes a second base and a third and a fourth radiation phase shift unit. Orthographic projections of the first and third radiation phase shift units on the first base at least partially overlap. Orthographic projections of the second and fourth radiation phase shift unit on the first base at least partially overlap. A first included angle is formed between extending directions of radiation areas of the first and second radiation phase shift units; a second included angle is formed between extending directions of radiation areas of the third and fourth radiation phase shift unit.

Abstract: An array antenna and a preparation method thereof, and an electronic apparatus are provided. The array antenna includes: a first dielectric substrate (100) and multiple antenna units (200) disposed on the first dielectric substrate (100), wherein, multiple isolation posts (102) are disposed within the first dielectric substrate (100); multiple antenna units (200) are divided into multiple groups, and at least one isolation post (102) is disposed between two adjacent groups of the antenna units (200).

Abstract: An antenna having high isolation and a low cross-polarization level, a base station, and a terminal are provided. The antenna includes a radiation layer, a feed layer, and an aperture coupling layer disposed between the radiation layer and the feed layer. The aperture coupling layer includes a metal sheet. A first feeding slot, a second feeding slot, and a middle slot are configured in the metal sheet. The middle slot is located between the first feeding slot and the second feeding slot, and is located in a weak electric field region of the metal sheet. The middle slot is configured between the first feeding slot and the second feeding slot of the metal sheet.

Abstract: An antenna array and a communications device are provided. The antenna array includes a feeding waveguide and a waveguide cover. A waveguide port is disposed on the feeding waveguide, and an array of radiation slots are arranged along the length of the waveguide cover. The slots are configured to transmit signals fed from the waveguide port, and are classified into a first subarray and a second subarray. At a center frequency of the antenna array, the difference between a beam angle of the first subarray and a required beam angle, and a difference between a beam angle of the second subarray and the required beam angle, is each less than a specified threshold. With a frequency change of the antenna array, the beam angle of the first subarray and the beam angle of the second subarray change in opposing directions. Therefore, when the first and second subarray beams are combined, the combined beam angle has reduced frequency dependence.

Abstract: An antenna array and a communications device are provided. The antenna array includes a feeding waveguide and a waveguide cover. A waveguide port is disposed on the feeding waveguide, and an array of radiation slots are arranged along the length of the waveguide cover. The slots are configured to transmit signals fed from the waveguide port, and are classified into a first subarray and a second subarray. At a center frequency of the antenna array, the difference between a beam angle of the first subarray and a required beam angle, and a difference between a beam angle of the second subarray and the required beam angle, is each less than a specified threshold. With a frequency change of the antenna array, the beam angle of the first subarray and the beam angle of the second subarray change in opposing directions. Therefore, when the first and second subarray beams are combined, the combined beam angle has reduced frequency dependence.