Abstract: The present application discloses a display panel. A thickening layer includes a first portion. An orthographic projection of a first backplate on a plane of a bonding substrate is a first projection. An orthographic projection of a circuit board on the plane of the bonding substrate is a second projection. A terminal portion includes a first region and a second region. The first region is an overlapping region of the first projection and the second projection. The first portion is disposed in the second region and extends from a junction of the first region and the second region to a side away from the first region.

Abstract: Techniques are described to determine and/or to indicate information related to a precoding matrix. An example wireless communication method includes receiving, by a communication device, a reference signal; determining, by the communication device, a precoding matrix based on a measurement performed on the reference signal; and transmitting, by the communication device to a base station or another communication device, information that indicates the precoding matrix.

Abstract: A channel information feedback method includes: determining a measurement result of channel state information according to a measured reference signal (S110); determining a codebook, where the codebook includes a sub-codebook for r transmission layers, where r=1, 2, . . . , R, and R is a positive integer (S120); determining a codeword W from the codebook (S130); and feeding back indication information of the codeword W (S140), where the codeword W is a matrix of N rows and r columns formed by r column vectors V1, V2, . . . , Vr having a length of N, N>1, and r?1; and the r column vectors of the codeword W are constructed according to a basis vector model.

Abstract: A channel information feedback method includes: determining a measurement result of channel state information according to a measured reference signal; determining a codebook, where the codebook includes at least two codewords; determining a codeword W within the codebook according to the measurement result; and feeding back indication information of the codeword W; where r column vectors of the codeword W are constructed according to a basis vector model u.

Abstract: A signal delay method, including: generating a target spatial filter according to received indication information, where the indication information is used to indicate a coefficient of M spatial filters, and M is an integer greater than 1; and relaying a signal between a first network element and a second network element through the target spatial filter.

Abstract: The present invention discloses a multi-source data fusion method and system for dynamic system scenario behavior deduction and reliability prediction analysis, a computer device, and a storage medium. Based on a Markov/CCMT dynamic reliability prediction analysis method and combined with a multi-source data fusion and assimilation method, the method simulates and statistically analyzes complex dynamic behavior characteristics of digital process control with strong interactive coupling, nonlinearity and high uncertainty by Monte Carlo probability model random sampling, and then achieves forward deduction analysis and reliability prediction of a system operation state through dynamic search analysis of a system state transition probability matrix model.

Abstract: Provided are a cleaning apparatus, a cleaning method and a battery production system, wherein the cleaning apparatus comprises: a cleaning assembly comprising two cleaning members provided opposite to each other, the two cleaning members being configured to form a space therebetween for accommodating articles to be cleaned; and a first drive assembly configured to drive the cleaning assembly for movement to clean two sides of at least two articles to be cleaned arranged in sequence. The cleaning assembly comprises two cleaning members provided opposite to each other, and the first drive assembly drives the cleaning assembly for movement, wherein the two cleaning members provided opposite to each other are capable of cleaning two sides of the at least two articles to be cleaned arranged in sequence in the course of the movement.

Abstract: The present utility model discloses a connector with a C-shaped elastic piece configured to connect to a printed circuit board (PCB), which comprises: a main housing, wherein two main housings symmetrically spliced are provided; a plurality of groups of wires uniformly distributed along a length direction of the main housing, wherein any one group of wires comprise a signal wire and a ground wire; a plurality of elastic pieces separately welded with the signal wire of the wires, wherein each elastic piece comprises a welding part welded with the signal wire and an abutting part abutted against the PCB; a spacer assembly comprising a plurality of separation spaces for separating adjacent elastic pieces; and an isolation frame provided with a plurality of slots for the elastic pieces to pass through, wherein the elastic pieces pass through the isolation frame and are abutted against the PCB.

Abstract: In some implementations, an emitter device (such as a vertical cavity surface emitting laser (VCSEL) device) may include a substrate layer, a set of epitaxial layers deposited on the substrate layer, at least one active region formed in the set of epitaxial layers, and multiple sidewall reflectors. The emitter device may be configured such that electrical pumping provides an optical gain within the at least one active region for lasing at a first wavelength based on the set of epitaxial layers and lasing at a second wavelength based on the multiple sidewall reflectors.

Abstract: The present disclosure provides a method and a device for preparing a modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning. The method includes the following steps: (1) preparing a mixed solution of m-phenylenediamine (MPD) and a copolymerized diamine monomer in N,N-dimethylacetamide (DMAC) serving as a solvent using a cosolvent; (2) mixing isophthaloyl chloride (IPC) with the mixed solution of the MPD and the copolymerized diamine monomer in the DMAC, and conducting pre-polycondensation and polycondensation in sequence to obtain a modified PMIA resin solution; and (3) subjecting the modified PMIA resin solution to additive addition, filtration, defoaming, and dry-wet spinning to obtain the modified PMIA fiber.

Abstract: A synchronous rectification control apparatus and method, and a flyback switching power supply are provided. The apparatus includes: a primary Metal-Oxide-Semiconductor (MOS) transistor, a transformer, a secondary MOS transistor, a primary control chip, and a secondary control circuit. The primary control chip is configured to control the primary MOS transistor to turn on at a valley position to excite a primary inductor of the transformer to increase a primary current, and control the primary MOS transistor to turn off to terminate the excitation of the primary inductor. The secondary control circuit is configured to control the secondary MOS transistor to turn on for a first time during a secondary side demagnetization process of the transformer after the excitation of the primary inductor ends, and to control the secondary MOS transistor to turn on for a second time during a resonance stage after the secondary side demagnetization process ends.

Abstract: The present disclosure provides a transmission system, including: a video source including a source communication module based on a first communication protocol; a transmitting terminal including a first antenna based on a second communication protocol and a first communication module based on the second communication protocol and arranged corresponding to the first antenna; and a receiving terminal including a second antenna based on the second communication protocol and a second communication module based on the second communication protocol and arranged corresponding to the second antenna, a third antenna based on the first communication protocol, and a third communication module based on the first communication protocol and arranged corresponding to the third antenna; the video source is connected to the transmitting terminal through a first interface, the source communication module of the video source is communicated with the third antenna of the receiving terminal based on the first communication proto

Abstract: Disclosed are a control method and apparatus for a network node, and a computer-readable storage medium. The method may include receiving a signaling sent by a base station, where the signaling is indicative of at least one of, an operating mode or a phase state of the network node; and regulating at least one of, the operating mode or the phase state of the network node according to the signaling.

Abstract: Provided is a simulation and optimization design method for an EMU obstacle removal snowplow based on multi-physical field coupling, the method includes collecting a snowfall amount and a snow accumulation density as snow environmental parameters of a target line; establishing a dynamic soft-sphere model of snow particles based on a Hertz-Mindlin with JKR cohesion contact model; simulating a wall snow accretion process using a discrete phase model and verifying simulation accuracy; constructing a parametric snowplow model, introducing shape parameters to correct a running resistance coefficient, evaluating snow removal performance, and selecting an optimal geometric parameter combination; integrating a train nose to form a whole vehicle model, correcting a snow removal resistance formula under multi-body coupling, and generating a selection recommendation of the snowplow; simulating different snow depths and running velocities, establishing an association model, and outputting a maximum safe vehicle velocity

Abstract: The present disclosure provides a lightweight spar cap with a concave structure for a wind turbine blade and a manufacturing method thereof, a wind turbine blade and a manufacturing method thereof. The lightweight spar cap is groove-shaped as a whole, and includes supporting portions located on two wings of the lightweight spar cap and an intermediate connecting portion connecting the two supporting portions. The manufacturing method of the lightweight spar cap includes laying a reinforcing body of the intermediate connecting portion and a supporting material of the supporting portion, and performing resin infusion. By comprehensively considering multiple factors, the present disclosure reduces the weight of the wind turbine blade, improves the material utilization of the wind turbine blade, and realizes a lightweight wind turbine blade.

Abstract: An emitter includes a bottom distributed Bragg reflector (DBR) mirror characterized by a first reflectance curve that defines a first optical stop-band having a first center wavelength substantially aligned with an emission wavelength; a top DBR mirror arranged characterized by a second reflectance curve that defines a second optical stop-band having a second center wavelength substantially aligned with the emission wavelength; an active region configured to generate laser light at the emission wavelength; and a detuned DBR arranged between the bottom DBR mirror and the active region or between the top DBR mirror and the active region. The bottom DBR mirror, the top DBR mirror, the detuned DBR, and the active region define an optical cavity of the emitter. The detuned DBR is configured to increase an effective cavity length of the optical cavity.

Abstract: An apparatus comprises a fiber input, the fiber input comprising a plurality of input fiber cores receiving a plurality of input optical signals. The apparatus also comprises an optical signal manipulation device that is one of a fiber mode shuffler, a fiber coupler, a power splitter, or a 90-degree optical hybrid. The optical signal manipulation device comprises an input aperture held in spaced relation to the fiber input, an output aperture, and a plurality of metasurfaces that manipulate phase profiles of the plurality optical signals to generate a plurality of output optical signals having a different spatial arrangement than the input optical signal. A fiber output is held in spaced relation to the output aperture such that fiber cores of the fiber output receive the plurality of output optical signals.

Abstract: The present invention discloses a construction method using a 3D printer and a framework member manufacturing apparatus applied to the method. It is characterized by using a construction 3D printer, a print head with an extrusion nozzle moves along three axes according to a 3D design file, extruding material to form an inner framework member; Stacking a predetermined number of the inner framework members to form an inner framework module, thereby establishing a modular inner framework; Connecting multiple modular inner frameworks in parallel to form an internal structure constituting sidewalls and a ceiling; and covering an external structure onto the exterior of the internal structure and integrating them. Accordingly, this enables the rapid and robust construction of amorphous buildings with complex curves (such as linear, conical, etc.). It enhances durability, significantly reduces manufacturing costs, and achieves the effect of producing buildings with sophisticated shapes.

Abstract: A ground wire spacer structure of a connector, including two groups of connector monoblocks that are symmetrical and spliced, wherein any group of the connector monoblocks include a housing provided with: a plurality of groups of elastic pieces, wherein one end of the elastic piece is connected to a female socket of the connector, and the other end of the elastic piece is connected to a wire group of the connector; a plurality of metal spacers distributed between two adjacent groups of the elastic pieces and used to separate the elastic pieces; and a conductive sheet mounted on the housing, wherein the conductive sheet is abutted against the plurality of spacers, the conductive sheet is connected to a ground wire in the wire group, and the metal spacers and the conductive sheet form a plurality of independent spaces for accommodating the elastic pieces respectively.