Abstract: Embodiments of the present invention disclose a wireless network access control method, device, and computer readable medium. The method includes: receiving via a mobile network an access request sent by a user device for requesting Internet access by using a wireless network of a wireless access device after a sharing status of the wireless network is set to be enabled by a setting device; and performing control processing to allow the user device to access the Internet by using the wireless network, such that the wireless access device processes Internet data related to the user device via the wireless network after the user device accesses the Internet by using the wireless network.

Abstract: The present invention provides an information traceability method and system based on a blockchain. The method includes: receiving a traceability request, where the traceability request includes a type label, a time label, and a content label; accessing information path data pre-stored in the blockchain based on the type label to obtain target path data, where the target path data is single-source path data or multi-source path data; determining a corresponding primary data set based on the time label, where the target path data includes a plurality of primary data sets; determining a corresponding secondary data set based on the content label, where the primary data set includes at least one secondary data set; and extracting path information from the secondary data set, and obtaining at least one information source based on the path information.

Abstract: A method, computer system, and a computer program product for performing an interactive outcome analysis is provided. The present invention may include generating, by a computer, a first estimation outcome from a first plurality of input conditions. The present invention may include generating, by the computer, a parallel estimation outcome from a second plurality of input conditions, wherein at least one of said input conditions in said first plurality of input conditions is different from any of said second plurality of input conditions. The present invention may include selecting, by the computer, either said first or said parallel estimation outcome by analyzing said outcomes with one another and with a target goal outcome.

Abstract: A composite support system based on a steel-concrete (concrete-filled steel tube) support and a shotcrete arch includes an anchor mesh layer provided on an inner wall of a roadway. A flexible compressible layer is provided on the outer side of the anchor mesh layer; a support frame is erected on the outer side of the flexible compressible layer; reinforcement meshes are respectively arranged on an inner side and an outer side of the support frame; the support frame and the reinforcement meshes form a framework to construct an arch spray layer; the reinforcement meshes and the support frame are embedded into an arch structure to form a rigid layer; the flexible compressible layer is provided between the rigid layer and the anchor spray layer. When the flexible compressible layer is compressed, the flexible compressible layer is deformed toward a reserved deformation space for a yielding purpose.

Abstract: The present disclosure belongs to the technical field of tests of automobile wheels and automobile chassis suspension systems, and provides a simulated pavement rotary drum and automobile test equipment. A simulated cobblestone pavement, and a simulated impact pavement, so that a testing pavement at a test field is reproduced; an impact load caused by the track pavement, the cobblestone pavement, and the impact pavement can be applied to wheels and a chassis system; and a road simulation test of wheels and a suspension system of an automobile can be performed on bench test equipment. As verified, the simulated pavement rotary drum of the present disclosure can reproduce the simulated track pavement at the test field; and the consistency of radial impact loads is greater than 95% at the same speed and under the same vehicle load operating condition.

Abstract: A method for controlling damages in cleaning a semiconductor wafer comprising features of patterned structures, the method comprising: delivering a cleaning liquid over a surface of a semiconductor wafer during a cleaning process; and imparting sonic energy to the cleaning liquid from a sonic transducer during the cleaning process, wherein power is alternately supplied to the sonic transducer at a first frequency and a first power level for a first predetermined period of time and at a second frequency and a second power level for a second predetermined period of time, the first predetermined period of time and the second predetermined period of time consecutively following one another, wherein at least one of the cleaning parameters is determined such that a percentage of damaged features as a result of the imparting sonic energy is lower than a predetermined threshold.

Abstract: This application provides a coding method and apparatus.

Abstract: An electronic module is provided, which comprises a plurality of first field effect transistors (FETs), a plurality of second FETs paired with the first FETs, a controller connected to gate nodes of the first and second FETs, and a plurality of spring assemblies disposed between the paired first and second FETs. Each spring assembly has two ends comprises a disc spring that is clamped and at least one conductive path that connects both ends of the spring assembly. One end of the spring assembly is connected to a press-buffer that contacts at least one first FET, while the other end is connected to another press-buffer that contacts at least one second FET.

Abstract: A data model training method and apparatus are provided. The method includes receiving data subsets from a plurality of subnodes and performing data convergence based on the plurality of data subsets to obtain a first data set. A first data model and at least one of the first data set or a subset of the first data set are sent to a first subnode, where an artificial intelligence (AI) algorithm is configured for the first subnode. A second data model is received from the first subnode, where the second data model is obtained by training the first data model based on the first data set or the subset of the first data set. The first data model is updated based on the second data model to obtain a target data model, the target data model is sent to the plurality of subnodes.

Abstract: This application provides a polar encoding method and apparatus. The method can include obtaining a basic sequence, where the basic sequence includes N0 subchannel numbers. The method can also include sequentially reading first subchannel numbers from the basic sequence, and sequentially reading 2m second subchannel numbers from the basic sequence starting from an Mth subchannel number based on the first subchannel number read each time; and adding q*N0 to each of the 2m second subchannel numbers to obtain 2m third subchannel numbers. Furthermore, the method can include constructing a polar code by using subchannels corresponding to the 2m third subchannel numbers as information bits. A polar code with another code length is constructed based on a sequence with a length of N0. A length of a polar code that needs to be stored is therefore reduced, which reduces complexity and is also easy to implement.

Abstract: In a communication configuration method, a first terminal device determines a first message that comprises first information and second information. The first information comprises radio link control (RLC) bearer configuration information of a first sidelink, and the second information comprises RLC bearer configuration information of a second sidelink. The first sidelink is between the first terminal device and a third terminal device, and the second sidelink is between the third terminal device and a second terminal device. The first terminal device then sends the first message to the third terminal device.

Abstract: Embodiments of this application provide a channel matrix determining method, an apparatus, and a system, relating to the field of communication technologies, to resolve a technical problem that a manner in which a network device determines a precoding matrix based on an existing PMI indicator is not applicable to long-distance communication. The method includes: A terminal device obtains a plurality of reference signals, determines a first channel matrix based on the plurality of reference signals, and feeds back, to a network device, first information indicating some channel elements in the first channel matrix. The terminal device may further receive a downlink signal determined based on the first information and sent by the network device. A channel element in the some channel elements is determined based on signal strength and/or a time-frequency resource of the reference signal.

Abstract: A few-shot defect detection method based on metric learning, including: (S1) performing data enhancement on a to-be-detected few-shot defect data set through a G2-Generative adversarial network (G2-GAN); (S2) extracting features of a defect data set similar to the to-be-detected few-shot defect data set based on an adaptive convolution kernel-based convolutional neural network (SKM-CNN) to generate a pre-training model; and (S3) transferring the pre-training model to a few-shot defect detection network (S2D2N) based on metric learning; and performing target feature extraction and metric learning in sequence to realize rapid identification and location of defects.

Abstract: Example beam hopping methods and apparatus are described. In one example method, a first satellite sends a communication signal to a first area by using a first beam, where the communication signal is used by the first satellite to communicate with a terminal device in the first area, and the first area belongs to an area covered by the first satellite. The first satellite sends a positioning signal to a second area by using a second beam, where the positioning signal is used by a terminal device in the second area for positioning measurement.

Abstract: Provided are mechanically adaptive materials that include a composite gel that is responsive to input energy. In some embodiments, input vibrational energy results in strengthening the composite gel. The strengthening may be reversible or irreversible according to various embodiments. In some embodiments, input vibrational energy generates chemical promotors for cross-linking reactions and/or linear polymerization via mechano-chemical transducers. In some embodiments, an applied shear stress is used to control charge generation and generate chemical promoters for cross-linking and/or linear polymerization. In some embodiments, the composite gels include a polymer network and/or polymer network precursors, reactive groups and/or linkers formed by reaction of the reactive groups, and a mechano-chemical transducer. Also provided are methods of mechanically promoted synthesis of polymers and polymer gels.

Abstract: In an approach for detecting web browsing subject-oriented event interactions and intelligently organizing web pages based on insights from important interactions for better exploration and efficient management, a processor extracts time series data associated with a plurality of web browsing events based on browsing historical actions of a user. A processor identifies the subject of each web browsing event. A processor determines major events based on the time series data and subjects of the plurality of web browsing events. A processor organizes the plurality of web browsing events based on subject hierarchy and timeline from the time series data. A processor highlights one or more uniform resource locators based on the subject hierarchy and timeline.

Abstract: A fault determining method, includes: a first terminal device monitors a parameter of a sidelink between the first terminal device and a second terminal device, to determine whether a unicast connection on the sidelink satisfies a first condition; and when the unicast connection satisfies the first condition, the first terminal device determines that the unicast connection is faulty.

Abstract: The present disclosure provides a device (300) for degumming and inserting silicon wafers and method for processing silicon wafers. The device (300) for degumming and inserting silicon wafers includes a material frame (1), a grabbing mechanism (2), a degumming mechanism (3), an unlocking mechanism (8) and an inserting mechanism (4). The material frame (1) is configured for placing and clamping a plurality of silicon wafers (100) bonded with a support (200), the grabbing mechanism (2) is configured for grabbing and transferring the material frame (1) or the support (200), the degumming mechanism (3) is configured for degumming the plurality of silicon wafers (100) from the support (200), the unlocking mechanism (8) is configured for releasing clamping and fixing of the material frame (1) on the plurality of silicon wafers (100), and the inserting mechanism (4) is configured for splitting the degummed plurality of silicon wafers (100).

Abstract: This application relates to the field of communication technologies, and provides a precoding method and a communication apparatus. The method includes: A terminal device obtains a first reference signal, where the first reference signal is a reference signal precoded by using a first precoding matrix. Then the terminal device sends first information, where the first information is determined based on a measurement result of the first reference signal, and is used to determine a target precoding matrix. Then the terminal device obtains information precoded by using the target precoding matrix.