Abstract: This application provides an access method and a communication apparatus, applied to the communication field, and in particular, to the field of short-range communication. The access method includes: sending first broadcast information based on a target access mode, where the first broadcast information indicates that a broadcast type is connectable; and if a first access request from a first device is received within first preset duration, sending first response information for the first access request, where the target access mode is an access mode in an access mode set, and the access mode set includes at least two access modes. Through configuration of the at least two access modes, access modes can be selected in different scenarios, to shorten time for subsequently establishing a connection between the first device and a second device, reduce power consumption of the first device or the second device.

Abstract: A traffic scheduling method, apparatus and system, a terminal device and a readable storage medium are provided. The method includes: acquiring scheduling configuration information, where the scheduling configuration information indicates a traffic scheduling strategy for a target domain name; modifying the target domain name into a standardized domain name matching the traffic scheduling strategy, in a preset domain naming manner; the standardized domain name at least includes a computer room identifier used to indicate the target computer room after traffic scheduling; and initiating an access request to the target computer room, based on the standardized domain name.

Abstract: The present disclosure relates to artificial intelligence (AI) operation processing methods apparatuses. One example method includes obtaining a first group identifier, obtaining a trigger message sent by a network device, where the trigger message includes first control information, the first control information indicates a first time-frequency resource, the first time-frequency resource carries N pieces of first scheduling information, each of the N pieces of first scheduling information includes a respective second group identifier and respective AI operation information and indicates a terminal device in a user group indicated by the respective second group identifier to perform an AI operation corresponding to the respective AI operation information, determining target AI operation information when the first group identifier matches a target group identifier, and starting a target AI operation based on the target AI operation information.

Abstract: A monocrystalline SiC substrate comprising a first surface and a second surface. The first surface comprises pinning regions and a device region. Each of the pinning regions is configured to provide a potential well which is capable to attract dislocations from a region surrounding said pinning region. The device region is configured to provide a part of the monocrystalline SiC substrate for manufacturing a semiconductor device. The device region is surrounded by the pinning regions, and a density of dislocations in a central portion of the device region is smaller than a density of dislocations in an edge of the device region due to the pinning regions. The pinning regions surrounding the device region attracts dislocations of the device region into the edge portion, so that the density of dislocations in the central portion is reduced. A yield of the semiconductor devices is improved.

Abstract: A method for manufacturing a trench field-effect transistor includes forming an epitaxial layer on a substrate; forming a trench in the epitaxial layer, forming a first insulating layer and a shielding conductor in the trench, where the first insulating layer surrounds the shielding conductor and partially fills the trench; forming a dielectric layer on the epitaxial layer, the first insulating layer, and a side wall of the trench; etching a part of the dielectric layer to form a dielectric region, where the dielectric region is located on the first insulating layer and the side wall of the trench; and forming a second insulating layer and a gate conductor in the trench, where the second insulating layer surrounds the gate conductor, fills the trench, and extends to the surface of the epitaxial layer.

Abstract: The present disclosure discloses a method for execution of a computational graph in a neural network model and an apparatus thereof, including: creating task execution bodies on a native machine according to a physical computational graph compiled and generated by a deep learning framework, and designing a solution for allocating a plurality of idle memory blocks to each task execution body, so that the entire computational graph participates in deep learning training tasks of different batches of data in a pipelining and parallelizing manner.

Abstract: Provides in the present disclosure are a touch module, a preparation method therefor, and a display device. The touch module is formed by means of attaching a polarizing function layer to a side of a touch function layer by a first bonding layer; attaching a cyclo olefin polymer (COP) film layer to another side of the touch function layer by a second bonding layer; and attaching a third bonding layer to a side, facing away from the second bonding layer, of the COP film layer.

Abstract: A surface acoustic wave (SAW) device includes a substrate; an interdigital transducer (IDT) having lead-out portions and arrays of interdigital electrodes formed on the substrate, wherein the interdigital electrodes includes central portions, end portions, and intermediate portions between the end portions and the lead-out portions, and a thickness of the interdigital electrodes at the end portions is greater than a thickness of the interdigital electrodes at the central portions and the intermediate portions, thereby forming protruding structures at the end portions of the interdigital electrodes; a protective layer formed on the protruding structures at the end portions of the interdigital electrodes; a first temperature compensation layer formed on the protective layer; a second temperature compensation layer formed on the first temperature compensation layer and on the central portions and the intermediate portions of the interdigital electrodes; and a passivation layer formed on the second temperature co

Abstract: Disclosed are a display panel and a driving method therefor, and a display device. Two adjacent rows of sub-pixels are taken as a row group, and the row group is provided with a first sub row group and a second sub row group that are arranged in a column direction; a gate electrode of a first transistor in the first sub row group is electrically connected to a first gate line; a gate electrode of a second transistor in the second sub row group is electrically connected to a second gate line; two adjacent sub-pixels in the column direction share one third transistor, and a gate electrode of the third transistor in the row group is electrically connected to a third gate line; and the first transistor and the second transistor in one column of sub-pixels are electrically connected to a data line by means of the shared third transistor.

Abstract: Embodiments of this application provide an information sending and receiving method and a communications device. The method includes: A network device configures first information. The first information includes a first field and/or a second field, the first field includes information indicating an energy saving state of a terminal device, and the second field includes information indicating a time length in which the terminal device maintains the energy saving state. Then, the network device sends the first information to the terminal device. In addition, the method includes: The terminal device receives the first information sent by the network device. Then, the terminal device reads the first field and/or the second field, and adjusts the energy saving state of the terminal device based on information obtained through reading. The technical solution provided in the embodiments of this application can reduce energy consumption of the terminal device to some extent.

Abstract: Disclosed are a system and a method for detecting a centroid of a complementary single pixel. The system includes a lens group, a single-pixel detector assembly, a Digital Micromirror Device (DMD) and an acquisition and processing unit. The acquisition and processing unit generates two-dimensional modulation matrices A and B which are loaded into the DMD; the lens group processes light reflected or transmitted from a target object, such that an image of the target object is imaged on the DMD; and the acquisition and processing unit is connected with data output ends of two single-pixel detectors in respective, to calculate the centroid of the target object. The DMD modulates an image signal of the target object according to modulation information A and B; the single-pixel detector assembly includes a first single-pixel detector and a second single-pixel detector.

Abstract: A touch control component and a touch control display device are provided. The present disclosure can improve touch control sensitivity of the touch control component by at least one second branch electrode surrounding at least one first branch electrode corresponding thereto, by at least one third branch electrode adjacent to the at least one first branch electrode surrounding the at least one second branch electrode positioned between the at least one first branch electrode and the at least one third branch electrode, and by two adjacent third branch electrodes respectively positioned in two of touch control units adjacent to each other in a first direction being connected to each other on one end away from the third branch electrodes connected to a first main stem electrode.

Abstract: A follow-hold switch circuit comprising: a follower; a sampling sub-circuit for voltage sampling; a bootstrap-control sub-circuit, which provides a bootstrap voltage to the sampling sub-circuit when the circuit is in a following state; a sampling-switch-control sub-circuit, which provides a common-mode voltage to a bootstrap capacitor in the bootstrap-control sub-circuit when the circuit is in a holding state; the follower is connected to an output of the sampling sub-circuit; the sampling sub-circuit is connected to the bootstrap-control sub-circuit and the sampling-switch-control sub-circuit respectively through a sampling switch; the present disclosure can effectively improve the linearity of sampling switches.

Abstract: A writing panel includes an array substrate, a flexible substrate disposed opposite to the array substrate, a liquid crystal layer disposed between the array substrate and the flexible substrate, and a plurality of spacers each in a shape of a column disposed on a surface of the array substrate proximate to the liquid crystal layer. The array substrate includes a base and a pixel driving circuit layer disposed on the base, and the pixel driving circuit layer includes a plurality of thin film transistors and a plurality of signal lines. An orthographic projection of each spacer on the base is non-overlapping with orthographic projections of the plurality of thin film transistors and the plurality of signal lines on the base.

Abstract: The present disclosure relates to a semiconductor device and a manufacturing method thereof. The semiconductor device includes a semiconductor heterostructure layer and a conductive structure. The semiconductor heterostructure layer includes alternating first semiconductor material layers and second semiconductor material layers. 2DHGs may be generated between each first semiconductor material layer and adjacent second semiconductor material layer. The conductive structure includes a plurality of conductive fingers extending from a surface of the semiconductor heterostructure layer into the semiconductor heterostructure layer. The plurality of conductive fingers are arranged in a direction substantially parallel to the surface. The lengths of the plurality of conductive fingers progressively increase in that direction, so that an end portion of each conductive finger is respectively positioned in a different second semiconductor material layer and is not in contact with the 2DHG.

Abstract: Methods and systems are provided for cooling hot spots on a body coil assembly of an MRI system. In one embodiment, an airflow guide of a body coil assembly of an MRI system comprises a first surface that forms an air passage when the airflow guide is positioned on the body coil assembly, the air passage enclosed by the first surface and a second, outer surface of an RF coil of the body coil assembly, the airflow guide configured to channel cool air generated by a fan to the second, outer surface of the RF coil. The airflow guide may be arranged circumferentially around a portion of the RF coil at one or more ends of the RF coil. The airflow guide may be manufactured as a plurality of airflow guide segments that are glued together.

Abstract: An ultrasound scanning control method applied to an ultrasound scanning device is provided. The ultrasound scanning device includes an execution mechanism. The execution mechanism includes a mechanical arm and a probe. The ultrasound scanning control method includes controlling the mechanical arm to drive the probe to move according to a set scanning trajectory for performing an ultrasound scanning detection on a part to be examined. Once an actual pressure value between the probe and the part to be examined in each control cycle is sensed using the force sensor, a pressure value between the probe and the part to be examined is controlled to be a constant value based on the actual pressure value.

Abstract: A source-network-load-storage coordination dispatching method in a background of a coupling of renewable energy sources, including: taking an expectation of a minimum grid operating cost in a dispatching cycle as an objective function; generating an approximate value function of an output of a set for generating electricity from renewable energy sources and a user load, and constructing a source-network-load-storage coordination dispatching model with combination of the objective function; obtaining forecast data of the output of a set for generating electricity from renewable energy sources and the user load, and inputting the forecast data into the dispatching model for solving; performing iterative updating on the approximate value function, importing the approximate value function after the iterative updating into the dispatching model for iterative solving, and terminating an iterative process until a solving result satisfies a preset convergence condition; and using a solving result of a last iteration

Abstract: The present disclosure provides a thin film sensor and a manufacturing method thereof, and belongs to the technical field of sensors. The thin film sensor of the present disclosure has a plurality of conductive-wire regions intersecting each other, and a plurality of hollow-out parts defined by the plurality of conductive-wire regions; the thin film sensor includes: a base substrate; a plurality of conductive wires on the base substrate, with the conductive wires being in the conductive-wire regions one to one; and a functional structure on the base substrate, where the functional structure is configured to allow at least part of light, which is transmitted along a preset direction and enters the functional structure from the conductive wire-regions, to exit from the hollow-out parts, and the preset direction is a direction from the base substrate towards the conductive wires.