Abstract: Embodiments of this application provide a time synchronization method and a communication apparatus. The method includes: An access network device obtains first round-trip time information between the access network device and a terminal device, second round-trip time information between the access network device and a benchmark device, and third round-trip time information between the benchmark device and the terminal device; determines a delay from the access network device to the terminal device based on the obtained t round-trip time information; and sends the delay or an offset between the access network device and the terminal device to the terminal device, where the delay or the offset is used for time synchronization of the terminal device. In this solution, the access network device may accurately determine the offset or the delay, and the terminal device performs time synchronization based on the offset or the delay.

Abstract: A height-adjustable desk includes a base, a desk board assembly, a support arm assembly and a supporter. The desk board assembly is above the base, and the support arm assembly is a rhombic linkage mechanism. The support arm assembly includes a first arm segment, a second arm segment, a third arm segment and a fourth arm segment. Bottom ends of the first and second arm segments rotatably connect with the base, and top ends of the third and fourth arm segments rotatably connect with the desk board assembly. A top end of the first arm segment rotatably connects with a bottom end of the third arm segment, and a top end of the second arm segment rotatably connects with a bottom end of the fourth arm segment. The first and second arm segments, and the third and fourth arm segments connect in an engaging transmission manner, respectively.

Abstract: A method for controlling a vehicle, an electronic device, a storage medium, and a vehicle are provided, related to a field of artificial intelligence technology, in particular to a field of autonomous driving and a field of computer vision. The method for controlling a vehicle includes: determining, in response to a request of switching to an autonomous driving mode, whether the vehicle is in a safe state; and controlling, in response to the vehicle being in the safe state, the vehicle to switch from a manual driving mode to the autonomous driving mode during travelling.

Abstract: Techniques for enhancing the absorption of photons in semiconductors with the use of microstructures are described. The microstructures, such as pillars and/or holes, effectively increase the effective absorption length resulting in a greater absorption of the photons. Using microstructures for absorption enhancement for silicon photodiodes and silicon avalanche photodiodes can result in bandwidths in excess of 10 Gb/s at photons with wavelengths of 850 nm, and with quantum efficiencies of approximately 90% or more.

Abstract: This application provides an electrode plate slitting method and apparatus, an electronic device, and a storage medium. The method includes: obtaining a length of an electrode plate to be cut; and when it is determined that a slitting parameter meeting a preset condition exists based on the length of the electrode plate, cutting the electrode plate to be cut based on the slitting parameter to obtain the electrode plate after cutting. The preset condition includes: the slitting parameter is able to be used for cutting the electrode plate to be cut and a length of each electrode plate roll obtained after cutting is within a preset range. This decreases the probability of obtaining an electrode plate roll with an inappropriate length at the end of the cutting, reducing the waste in the electrode plate.

Abstract: A refresh control circuit includes a clock signal generator, a plurality of pulse number adjusters and a plurality of address counters. The clock signal generator generates a clock signal. The pulse number adjusters receive the clock signal, and during a time period, respectively generate a plurality of adjusted clock signals by adjusting pulse number of the clock signal according to a plurality of data retention information. The address counters respectively generate a plurality of refresh address information according to the adjusted clock signals. The refresh address information respectively correspond to a plurality of memory banks of a memory device.

Abstract: A method of forming a semiconductor device includes: forming a semiconductor structure having source/drain regions, a fin disposed between the source/drain regions, and a dummy gate disposed on the fin and surrounded by a spacer; removing the dummy gate to form a gate trench which is defined by a trench-defining wall; forming a gate dielectric layer on the trench-defining wall; forming a work function structure on the gate dielectric layer; forming a resist layer to fill the gate trench; removing a top portion of the resist layer; removing the work function structure exposed from the resist layer using a wet chemical etchant; removing the resist layer; and forming a conductive gate in the gate trench.

Abstract: A display device includes a pixel circuit and a stage of a scan driver. The stage of the scan driver is electrically coupled to the pixel circuit. The stage of the scan driver is configured to output a first scan signal and a second scan signal to the pixel circuit. A first enable voltage of the first scan signal is at a first logic level, and a first disable voltage of the first scan signal is at a second logic level. A second enable voltage of the second scan signal is at the second logic level.

Abstract: This application provides a communication method and a communication apparatus. The method includes: A policy control function network element receives, from an application function network element, information about a first time window and information about a first parameter, where the first time window is a time window that is of data transfer of a first service, and the first parameter includes parameters of the data transfer of the first service. The policy control function network element determines the policies of the first service and then sends the policies to the application function network element. The information about each policy includes information about N time windows which are determined based on the information about the first time window and the information about the first parameter, and the N time windows are used to transmit or receive data of the first service.

Abstract: A data analytics method, an apparatus, and a system. The method includes receiving, by a data analytics network element, first indication information from a first network element, the first indication information indicating to provide the first network element with mobility analytics information that indicates a location order of a terminal, obtaining mobility related information from a second network element, obtaining the mobility analytics information by the data analytics network element by processing the mobility related information based on the first indication information, where the mobility analytics includes first time information and a location of the terminal in each sub-time period of a first time period, and sending, by the data analytics network element, the mobility analytics information to the first network element.

Abstract: A method includes receiving audio data corresponding to an utterance and generating a pair of positive audio data examples. Here, each positive audio data example includes a respective augmented copy of the received audio data. For each respective positive audio data example, the method includes generating a respective sequence of encoder outputs and projecting the respective sequence of encoder outputs for the positive data example into a contrastive loss space. The method also includes determining a L2 distance between each corresponding encoder output in the projected sequences of encoder outputs for the positive audio data examples and determining a per-utterance consistency loss by averaging the L2 distances. The method also includes generating corresponding speech recognition results for each respective positive audio data example. The method also includes updating parameters of the speech recognition model based on a respective supervised loss term and the per-utterance consistency loss.

Abstract: In a data reporting method, a user plane network element sends a first message to a first user plane network element. The first message includes first reporting information, and is for requesting the first user plane network element to report first data based on the first reporting information. The first reporting information includes first indication information or reporting time information. The first indication information is for the first user plane network element to determine whether the reporting of the first data is allowed to be delayed. The reporting time information indicates to the first user plane network element to determine time for reporting the first data. The user plane network element then receives the first data from the first user plane network element.

Abstract: A rhodamine-methylene blue derivative fluorescent probe and its preparation method and application are in the technical field of organic synthesis. The rhodamine-methylene blue derivative fluorescent probe has available raw materials and a simple prepared method; the rhodamine-methylene blue derivative fluorescent probe can detect ClO? and ATP in cells by synchronized dual-channel fluorescence, with a detection limit of 0.90 nM for the ClO? and 23.60 nM for the ATP, and thus the rhodamine-methylene blue derivative fluorescent probe can be used for fluorescence quantitative detection of the ClO? and the ATP, and can also be used for simultaneous fluorescence imaging of ClO? and ATP in drug-stimulated cells. Therefore, the rhodamine-methylene blue derivative fluorescent probe has a wide range of potential applications.

Abstract: A sensor package structure is provided. The sensor package structure includes a substrate, a sensor chip, a ring-shaped wall, and a light-permeable layer. The substrate has a first surface and a second surface that is opposite to the first surface. The first surface of the substrate has a chip-bonding region and a connection region that surrounds the chip-bonding region, and the substrate has a plurality of protrusions arranged in the connection region. The sensor chip is disposed on the chip-bonding region of the substrate and is electrically coupled to the substrate. The ring-shaped wall is formed on the connection region of the substrate, and the protrusions of the substrate are embedded in and gaplessly connected to the ring-shaped wall. The light-permeable layer is disposed on the ring-shaped wall, and the light-permeable layer, the ring-shaped wall, and the substrate jointly define an enclosed space therein.

Abstract: A communication method includes, after determining first session identifier information for a terminal device and obtaining an address of the terminal device, a session management network element sends a first correspondence between the first session identifier information and the address of the terminal device to a first user plane function network element, so that the first user plane function network element transmits an Ethernet packet to the terminal device based on the first correspondence.

Abstract: System and method for determining distributed birefringence variations in a polarization-maintaining optical fiber (PM fiber). The method includes causing a pump signal to be sent into the PM fiber to generate a Brillouin dynamic grating (BDG) therein, causing a first chirped probe optical pulse to be sent into the PM fiber, receiving a first reflected signal, the first reflected signal being a first portion of the first chirped probe optical pulse reflected by the BDG, receiving a second reflected signal, the second reflected signal being a second portion of the first chirped probe optical pulse reflected by the BDG, and determining a variation of birefringence of the PM fiber indicative of a variation of physical disturbance of the PM fiber between times of reflections on the BDG of the first and second reflected signals.

Abstract: A foldable mechanism comprises a base assembly, two support assemblies, and two driving assemblies. The base assembly includes a bottom seat and two hinge seats respectively fixed to two sides of the bottom seat. The support assembly includes an outer plate member and an inner plate member located between the two outer plate members, the outer plate member and the inner plate member are pivotally connected to the corresponding hinge seat respectively, and pivotal axes of the outer plate members and the inner plate members are parallel to a central axis L of the bottom seat; the driving assembly is connected to and between the bottom seat and the inner plate member corresponding to the driving assembly; and when the foldable mechanism is in a folded state, the driving assemblies respectively drive the corresponding inner plate members to flip toward the bottom seat. Related mobile terminal is also described.

Abstract: Disclosed are a method and system for monitoring movement. The system includes: a muscle movement sensor, a movement capturing device and a processing device, wherein the muscle movement sensor is configured to acquire muscle movement information of a moving part of a living body in the case that the muscle movement sensor is fixed onto the moving part; the movement capturing device is configured to acquire whole movement information of the living body; and the processing device is configured to determine a movement parameter of a muscle of the moving part based on the muscle movement information and the whole movement information.

Abstract: The present disclosure provides a semiconductor device based on a dielectric material containing a metal interstitial impurity, including: a substrate, a dielectric material layer, and a functional layer. A material for preparing the dielectric material layer is a compound containing the metal interstitial impurity. The dielectric material layer and/or the functional layer is configured to subject to at least one of electricity, heat, light or magnetism, such that the dielectric material layer reaches a crystallization temperature to transit from a first state to a second state.

Abstract: An application function network element sends a first request message, where the first request message is used to request network status information of a terminal device in a candidate range. The application function network element obtains a first response message, where the first response message includes network status information of N1 terminal devices, the terminal device in the candidate range includes the N1 terminal devices, and N1 is a positive integer. The application function network element determines N2 terminal devices based on the network status information of the N1 terminal devices, where the N2 terminal devices are configured to participate in training of a federated learning model, the N1 terminal devices include the N2 terminal devices, and N2 is a positive integer.