Abstract: A cable includes a first part and a second part. The first part includes a cable core, a metal layer, and a dielectric layer. The metal layer wraps the cable core, and the dielectric layer is sandwiched between the cable core and the metal layer. The second part includes a plurality of metal units and a dielectric unit. The plurality of metal units are spacedly disposed on the metal layer of the cable, to reduce cable's shielding on an electromagnetic wave in a specific frequency band. The cable is placed on a radiation path of an antenna. This can reduce shielding on an electromagnetic wave radiated by the antenna, to avoid distortion of an antenna pattern.

Abstract: The present disclosure discloses a dual-wavelength high-spectral resolution lidar system based on a dual-stage virtual image phased array. The system includes a dual-wavelength vertically polarized light emission system, first to sixth beam splitting systems, a first photodetector, a telescope, a first band-pass filter, a second band-pass filter, a second photodetector, a first dual-stage virtual image phased array system, a third photodetector, a first ICCD acquisition system, a fourth photodetector, a second dual-stage virtual image phased array system, a fifth photodetector, a second ICCD acquisition system, and a timing controller.

Abstract: The present disclosure provides a multi-antenna transmission coherence capability reporting method, a terminal, a base station and a storage medium, wherein the method includes: after the terminal establishes a connection with the base station, sending, by the terminal, multi-antenna coherence capability information to the base station, wherein the multi-antenna coherence capability information is used for indicating whether the terminal, in an uplink Tx switching mode, is capable of supporting coherence between multiple transmitting antennas for a carrier with two uplink transmission antennas when dynamic switching between two bands is performed.

Abstract: An optical waveguide and a display device are provided. The optical waveguide includes a waveguide substrate causing light to propagate within it through total internal reflection and at least one grating disposed between and inclined with respect to the first and second surfaces of the waveguide substrate for transmitting and reflecting incident light or for transmitting and diffractively deflecting incident light. The transmitted light is coupled into the waveguide substrate to propagate within it through total internal reflection, and the reflected or diffractively deflected light is coupled out from the waveguide substrate. The grating is configured such that the reflection efficiency or diffraction deflection efficiency when an incidence angle is less than a first angle and greater than a fourth angle is greater than that when the incidence angle is greater than the first angle, wherein the first angle is greater than the fourth angle.

Abstract: A chip package structure includes multiple chips stacked together, a molding layer encapsulating the multiple chips, a conductive layer is on a side of the molding layer away from the multiple chips, and a vertical conductive element extending from a surface of the molding layer to the bonding pad. Each of the multiple chips includes a bonding pad not covered by the multiple chips. The vertical conductive element connects the conductive layer and the bonding pad. The vertical conductive element includes gold.

Abstract: A laser system for dicing a semiconductor structure is disclosed. The laser system includes a laser source and a laser energy adjusting unit. The laser source is configured to generate a laser. The laser energy adjusting unit is movably provided on a laser light path between the laser source and the semiconductor structure. The laser energy adjusting unit is moved to the laser light path between the laser source and the semiconductor structure based on a first determination that the laser source is focused on a first preset region of the semiconductor structure having a first material.

Abstract: A system may include one or more processors configured to perform one or more operations including obtaining a dataset. The operations may additionally include training a language model to determine relationships between data in data subsets in the obtained dataset. Further operations may include extracting a value and a title from data subsets in the dataset, and determining a question based on the titles, the values, and a target variable. The operations may additionally include sending the question to the language model to obtain a vector. Further, the operations may include determining based on the vector, an operation that may be performed using the data. The operations may additionally include synthesizing data related to the target variable. In some embodiments, the operations may additionally include adding the synthesized data to one or more data subsets in the dataset and modifying a machine learning pipeline using thedataset.

Abstract: This application provides a data transmission method and apparatus. The method includes: A first access point detects a channel. If the first access point detects an idle first channel, the first access point sends a first trigger frame to at least one second access point, where the first trigger frame is used to trigger the at least one second access point to send data on the first channel after a first preset time period elapses. In this way, an existing CSMA channel detection mechanism may be compatible with the method, and a conflict caused by contention of a plurality of APs for a channel at the same time can be avoided, which helps improve network transmission efficiency, and helps improve transmission performance.

Abstract: A photovoltaic system and a control method. The photovoltaic system includes a master DC/DC converter; a slave DC/DC converter; a master DC/AC converter; and a slave DC/AC converter. The master DC/AC converter is configured to send a current instruction value and an input voltage of the master DC/AC converter to the slave DC/AC converter; and the slave DC/AC converter is configured to control an output current, based on an input voltage of the slave DC/AC converter, the current instruction value, and the input voltage of the master DC/AC converter, so that a current through the N wire is less than a preset current.

Abstract: A grating structure, a diffraction optical waveguide, and a display device are disclosed. The grating line of the grating structure has a cross-sectional profile with a narrow top and a wide bottom, wherein the cross-sectional profile comprises six feature points, and the six feature points respectively have coordinates (0, 0), (L2, H2), (L3, H3), (L4, H4), (L5, H5) and (L6, 0) in a cross section, and satisfy following relationships: Hdrop=min(H4,H5)?max(H3,H2)>50 nm; 0.1<(L5?L4)/(L3?L2); L3>0.34T; and 0.05T<L5?L4<0.32T. By controlling the parameters of these feature points, the cross-sectional profile can be adjusted, and thus significantly improving the optical effect (comprising diffraction efficiency and uniformity) that the grating structure can achieve, and at the same time increasing degrees of freedom in grating design and optical effect regulation.

Abstract: The present application provides an integrated package device, a method of fabricating an integrated package device, and a memory system. The integrated package device may include at least one package module. Each package module may include a first sub-package module with a first electronic devices. Each package module may include a second sub-package module including a second electronic devices. Each package module may include a first re-distribution layer connected with first pads. Each package module may include a second re-distribution layer connected with second pads.

Abstract: The present disclosure provides a semiconductor package structure, a fabrication method, and a memory system. The semiconductor package structure includes a plurality of package bodies stacked in a first direction. At least one of the plurality of package bodies includes first interconnect structures extending in the first direction and a plurality of sub package bodies stacked in the first direction. Each of the plurality of sub package bodies includes a molding body and a device structure encapsulated in the molding body. The device structure includes a passive device. The passive device includes at least one of a resistor, a capacitor, and an inductor.

Abstract: A method for determining material-cage stacking, a computer device, and a storage medium are provided. The method includes the following. A material-cage image is obtained by photographing a first stacking apparatus of a first material cage and a second stacking apparatus of a second material cage. The stacking apparatuses of the two material cages in the material-cage image can be recognized respectively with two detection models. The first stacking result is obtained by obtaining location information of the stacking apparatuses of the two material cages with the first detection model, and the second stacking result is obtained with the second detection model.

Abstract: Operations include receiving an input dataset associated with a machine learning (ML) task and generating a first ML pipeline associated with the ML task by executing a code generation tool. The operations further include executing one or more exploratory code generation tools and selecting a pipeline component from the set of pipeline components. Also included are modification of the first ML pipeline based on the selection to generate a second ML pipeline and determination of a first performance metric by executing the first ML pipeline on the input dataset. The operations further include determining a second performance metric by executing the second ML pipeline on the input dataset and controlling an electronic device to render an ML pipeline recommendation as one of the first ML pipeline or the second ML pipeline, based on a comparison of the first performance metric with the second performance metric.

Abstract: According to an aspect of an embodiment, operations include receiving data comprising tabular datasets and code files. The operations further include generating a task specification corresponding to each dataset and determining data type information for features of each dataset. The operations further include extracting a plurality of API methods from the code files and generating an ML pipeline based on the data type information and the task specification. The operations further include obtaining variations of the ML pipeline based on options associated with at least one ML component and generating a database of pipelines based on the ML pipeline and the variations. The operations further include selecting candidate ML pipelines from the database based on an optimization approach and executing the candidate ML pipelines to evaluate a performance of each candidate pipeline on test data. The operations further include obtaining a training corpus of ML pipelines for pipeline recommendation.

Abstract: A laser dicing system is disclosed. The laser dicing system includes a host device and a laser source. The host device reads and identifies a mark formed on a surface of a semiconductor structure. The laser source is coupled to the host device and is configured to generate a dicing laser energy to form a trench on the semiconductor structure. The dicing laser energy irradiated on the semiconductor structure is adjustable based on information embedded in the mark.

Abstract: The present disclosure provides a method and an apparatus for providing responses in an event-related session. The event is associated with a predefined domain, and the session comprises an electronic conversational agent and at least one participant. At least one message from the at least one participant may be detected. A set of candidate responses may be retrieved, from an index set being based on the domain, according to the at least one message. The set of candidate responses may be optimized through filtering the set of candidate responses according to predetermined criteria. A response to the at least one message may be selected from the filtered set of candidate responses. The selected response may be provided in the session.

Abstract: The present invention relates to a microfluidic chip, a reagent output structure thereof comprising a reagent storage chamber, a first centrifugal-force flow channel and a time delay unit. The time delay unit comprises a first diverting flow channel, a capillary-force flow channel, a second diverting flow channel and a second centrifugal-force flow channel. The first centrifugal-force flow channel extends away from the centre of rotation. The other end of the first diverting flow channel is in communication with one end of the capillary-force flow channel, the capillary-force flow channel extends towards the centre of rotation, the other end of the capillary-force flow channel is in communication with one end of the second diverting flow channel, the other end of the second diverting flow channel is in communication with the second centrifugal-force flow channel, and the second centrifugal-force flow channel extends away from the centre of rotation.

Abstract: An interaction method for a mobile robot comprises: acquiring map data information of a space in which a mobile robot is located, and acquiring real-time environment perception data collected by an environment perception sensor, the real-time environment perception data comprising real-time obstacle information, and real-time indication information for indicating a road condition around the mobile robot; acquiring target traveling path information of the mobile robot on the basis of the real-time obstacle information and the map data information, and determining a ground projection region according to the target traveling path information and the real-time indication information; acquiring a pattern to be projected, and determining a projection parameter corresponding to said pattern, wherein said pattern is used for indicating a traveling intention of the mobile robot; and controlling a projection apparatus according to the projection parameter, so as to project said pattern onto the ground projection region

Abstract: The present disclosure provides a semiconductor device, a fabricating method thereof, a memory device and a memory system. The disclosed semiconductor device comprises a first device, a dicing street adjoining the first device laterally, a metal structure located in the dicing street, and a stealth cleavage lane extending in the dicing street.