Abstract: Provided is a method for transmitting signals, including: acquiring a first image by performing a Fourier transform on first data to be transmitted; performing first preprocessing on the first image, wherein the first preprocessing comprises at least one of compression, encryption, or verification; acquiring second data by performing an inverse Fourier transform on the first image after the first preprocessing; and modulating the second data into a first radio frequency signal, and transmitting the first radio frequency signal.

Abstract: Provided are a polarization conversion structure and an antenna. The polarization conversion structure includes a ground structure layer (11), a first dielectric substrate (21) and a radiation structure layer (300) which are stacked in a direction perpendicular to a plane where the polarization conversion structure is located. The radiation structure layer (300) includes at least one radiation unit (30), the radiation element (30) includes a radiation structure (31), and the radiation structure (31) is arranged symmetrically with respect to a first centerline, wherein the first centerline is a centerline of the radiation structure (31) extending in a fourth direction on a plane parallel to the polarization conversion structure. Orthographic projections of the radiation unit (30) and the ground structure layer (11) on the first dielectric substrate (21) are at least partially overlapped.

Abstract: An antenna is provided. The antenna includes a feed line structure; a first low dielectric constant layer on the feed line structure; a first flexible layer on a side of the first low dielectric constant layer away from the feed line structure; a phase shifter on a side of the first flexible layer away from the first low dielectric constant layer; a first ground plate on a side of the phase shifter away from the first flexible layer; and a radiating plate on a side of the first ground plate away from the phase shifter. The first low dielectric constant layer has a dielectric constant in a range of 1.5 to 3. The first flexible layer has a Flexural modulus in a range of 0.01 to 10.0.

Abstract: An antenna unit, a manufacturing method thereof, a display device, and an electronic apparatus. The antenna unit includes a radiation main body, at least one feed line, and a plurality of grounding portions. The at least one feed line and the radiation main body are electrically connected, the radiation main body, the at least one feed line, and the plurality of grounding portions are provided in a same layer.

Abstract: Provided are an antenna and an antenna system. The antenna includes: a feeding network and antenna units electrically connected with the feeding network. The feeding network includes n stages, each stage includes 2n-1 transmission components; when n=1, first and second transmission lines of each transmission component are electrically connected with different antenna units; when n>1, the first and second transmission lines of the transmission component in the nth stage are respectively connected with two antenna units, the antenna units connected with first and second transmission lines are different; the first and second transmission lines of the transmission component in an ith stage are electrically connected with two different main path portions in an (i+1)th stage, main path portions connected with the first and second transmission lines are different; 1?i<n. At least part of the transmission components each further include a phase shift unit.

Abstract: An adjustable phase shifter and a manufacturing method therefor, and an electronic device. The adjustable phase shifter includes: a first substrate and a second substrate, which are arranged opposite each other; an adjustable dielectric layer, which is arranged between the first substrate and the second substrate; a first electrode, which is located on the side of the first substrate facing the adjustable dielectric layer; and a second electrode, which is located on the side of the second substrate facing the adjustable dielectric layer, wherein an adjustable capacitor is formed in an overlap region between the first electrode and the second electrode.

Abstract: The present disclosure provides an antenna, and belongs to the field of radio frequency technology. The antenna provided by the present disclosure includes: a dielectric substrate, and a radiation patch and a waveguide feed structure, which are respectively disposed on two opposite sides of the dielectric substrate; an orthographic projection of a first transmission port of the waveguide feed structure on the dielectric substrate at least partially overlaps that of the radiation patch on the dielectric substrate; and the radiation patch is configured to convert a linearly polarized radiation signal transmitted via the first transmission port into a circularly polarized radiation signal. The antenna can realize conversion of the linearly polarized radiation signal into the circularly polarized radiation signal by adopting the radiation patch, so that a space occupied by the radiation patch can be reduced, thereby avoiding an increase in a thickness of the antenna.

Abstract: A light beam deflection device and a laser radar. The light beam deflection device includes a light beam deflection structure including a liquid crystal variable wave plate and a liquid crystal polarization grating, the liquid crystal variable wave plate includes a first liquid crystal layer and a first driver configured to drive the first liquid crystal layer, the first liquid crystal layer includes a first state and a second state, in the first state, the liquid crystal variable wave plate can change a polarization state of light, and in the second state, the liquid crystal variable wave plate does not change a polarization state of light; the liquid crystal polarization grating includes a second liquid crystal layer including a third state, and in the third state, the liquid crystal polarization grating changes a polarization state and a deflection angle of the light.

Abstract: The present disclosure provides a pressure sensor, including a base substrate (10), and a plurality of sensing units (100) on the base substrate (10). Each of the plurality of sensing units (100) includes a pressure sensing chamber (21), and orthogonal projections of at least two of pressure sensing chambers (21) on the base substrate (10) have areas different from each other. The present disclosure further provides a method for manufacturing a pressure sensor, and an electronic device.

Abstract: A phased array antenna, a scanning method therefor, and an antenna system. The phased array antenna comprises a plurality of antenna elements and a liquid crystal phase shifter used for performing phase calibration on the plurality of antenna elements. The scanning method comprises: applying a first wave control voltage to the liquid crystal phase shifter, and detecting first received signal level values received by the plurality of antenna elements; and continuously adjusting the first wave control voltage by means of an artificial intelligence algorithm, and detecting second received signal level values received by the plurality of antenna elements, until the ratios of the first received signal level values to the second received signal level values are greater than or equal to a first threshold.

Abstract: The present disclosure provides a holographic leaky-wave antenna and an electronic apparatus, and relates to the field of communication technology. The holographic leaky-wave antenna includes a first waveguide structure, a first dielectric substrate, a radiation layer, a first reference electrode layer, and switching units. The first dielectric substrate is arranged on the first waveguide structure and there is a first gap between the first dielectric substrate and the first waveguide structure; the first reference electrode layer is arranged on a side of the first waveguide structure away from the first dielectric substrate; the radiation layer is arranged on a side of the first dielectric substrate away from the first waveguide structure, and has slit openings therein. The first waveguide structure includes at least one feeding port.

Abstract: A transparent antenna includes a transparent mesh that is a metal mesh. The metal mesh includes: first metal lines and second metal lines extending in crossed directions. The first metal lines are arranged side by side in a first direction and extend in a second direction; the second metal lines are arranged side by side in the first direction and extend in a third direction. Each first metal line includes first sub-line segments sequentially connected together in the second direction, and each second metal line includes second sub-line segments sequentially connected together in the third direction. Each first sub-line segment has a midpoint superposing with a midpoint of one of the second sub-line segments, the first and second sub-line segments having superposed midpoints form a crossed structure, and define two opposite first angles and two opposite second angles. Each first angle is not greater than each second angle.

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 unit is used for being arranged in a cylindrical shell, at least one side wall of the cylindrical shell is in a shape of an are; and the antenna unit includes: a coaxial cable conductor, a feed structure and two radiating substrates; the coaxial cable conductor includes an inner conductor and an outer conductor sleeved outside the inner conductor, the inner conductor is connected to an end of the feed structure, another end of the feed structure is coupled to one of the two radiating substrates, and the other one of the two radiating substrates is connected to the outer conductor; and the antenna unit is provided with at least one bending section, to conform to the cylindrical shell through the at least one bending section.

Abstract: The present disclosure provides a metasurface device and a method for manufacturing a metasurface device, an antenna and a communication device. The metasurface device includes: a substrate; and a metal layer on the substrate and having a plurality of openings therein; and a plurality of phase control structures on a side of the metal layer away from the substrate, and in one-to-one correspondence with the plurality of openings; and each phase control structure includes a baffle and at least one micro-mechanical driver, the baffle is connected to the at least one micro-mechanical driver, which is configured to actuate the baffle to shield a corresponding opening in response to a received signal.

Abstract: A liquid crystal phase shifter includes: a first substrate; a second substrate, provided opposite to the first substrate; a liquid crystal layer, provided between the first substrate and the second substrate; and a phase shift region, including a first electrode, a second electrode and a control circuit, where the first electrode is provided on a side of the first substrate close to the second substrate, the second electrode is provided on a side of the second substrate close to the first substrate, an orthographic projection of the second electrode on the first substrate partially overlaps with an orthographic projection of the first electrode on the first substrate, and the second electrode is grounded.

Abstract: An antenna structure and a communication system. The antenna structure includes two antenna assemblies (1) spaced apart from each other in a first direction. The two antenna assemblies (1) are arranged symmetrically about a first plane (9) located between the two antenna assemblies (1). The first direction is set to be perpendicular to the first plane (9). Each antenna assembly (1) includes at least two antenna units (2) spaced apart from each other. Each antenna unit (2) includes a reflecting plate (4) and a patch mechanism (5) which are connected to each other. The patch mechanism (5) is located on the side of the reflecting plate (4) facing away from the first plane (9). The communication system includes the antenna structure.

Abstract: Disclosed is a monoclonal antibody specifically binding to human CD38, or an antigen binding fragment thereof, wherein the monoclonal antibody binds to an extracellular domain of CD38 at amino acid residues comprising at least one amino acid residue selected from a group consisting of K25, E28, 129, M33, and R34, wherein the amino acid residue is numbered according to the amino acid sequence of the extracellular domain of CD38 as shown in SEQ ID NO: 36. Also disclosed is a pharmaceutical composition comprising the antibodies and medical uses thereof.

Abstract: A semiconductor substrate manufacturing method and a semiconductor substrate. The manufacturing method includes: forming a first semiconductor layer on the base substrate at a first temperature with a first oxide semiconductor material; forming the second semiconductor layer directly on the first semiconductor layer with a second oxide semiconductor material; and performing a patterning process such that the first semiconductor layer and the second semiconductor layer are respectively patterned into a seed layer and a first channel layer. Both the first oxide semiconductor material and the second oxide semiconductor material are capable of forming crystalline phases at a second temperature, the second temperature is less than or equal to 40° C., and the first temperature is greater than or equal to 100° C.

Abstract: A holographic antenna includes first and second dielectric substrates, a waveguide structure, a radiation layer, a plurality of switch units and a plurality of isolation components; the first dielectric substrate is on a waveguide port of the waveguide structure; the radiation layer is on a side of the first dielectric substrate away from the waveguide structure, and has a plurality of slits; the second dielectric substrate is on a side of the radiation layer away from the first dielectric substrate; the switch units and the isolation components are between the second dielectric substrate and the radiation layer; orthographic projections of each isolation component and each slit on the first dielectric substrate are first and second patterns, respectively; at least one first pattern is between two adjacent second patterns, and a first distance is between the second pattern and the first pattern closest to the second pattern.