Abstract: Disclosed is a network access method, including that a station receives a first radio frame from a first access point, where the first radio frame indicates a resource unit for a random-access operation; and when the sending address of the first radio frame is a public identity or a private identity, the station performs the random-access operation. Also disclosed are a network access apparatus and a storage medium.

Abstract: Disclosed are a method for evaluating a geometric form of a honeycomb product and a system for detecting and evaluating a geometric form of a honeycomb product. The method for evaluating the geometric form includes: acquiring a top-surface image and a side-surface image of the honeycomb product; acquiring vertex coordinates by extracting vertices from the top-surface image; acquiring serial numbers of six vertices of each cell by reconstructing the cells of the top-surface image; computing deviation angles of six interior angles of each cell based on the serial numbers and vertex coordinates of the six vertices of each cell; extracting a top-surface side boundary and a side-surface side boundary of the honeycomb product from the top-surface image and the side-surface image; computing a maximum top-surface deflection and a maximum side-surface deflection of the honeycomb product based on the top-surface side boundary and the side-surface side boundary.

Abstract: A foldable dot sight device is provided that includes a body capable of being assembled into a firearm. A dot generator is disposed on the body, and is capable of generating a dot for aiming at a target. A reflective mirror is provided, which transmits an image of a target toward the user and reflects the dot generated by the dot generator. A housing is connected to the reflective mirror. A protective cover includes a sliding guide rotatably connected to the body and rotates the housing in a folding or unfolding direction according to a rotational position.

Abstract: The invention discloses a tire building device and a tire building method. The tire building device includes a lateral-longitudinal-orthogonal 1 rail unit, a transferring ring, a carcass application unit, a bead placement unit, a belt application unit, a building unit, a shaping unit, and a tire unloading mechanism; the lateral and longitudinal orthogonal rail unit divides the tire building device into four areas, and also establishes the connection between the units through the transferring ring. The tire building method, including: 1) adhere the bead and tire carcass compound and then sent to the building unit; 2) send the belt compound to the building unit, 3) compound the carcass compound and belt compound into a carcass and sent to the shaping unit; 4) wind the carcass around the tread to form a green tire and sends it to the tire unloading mechanism for disassembly.

Abstract: Application mobility is a unique feature of the edge computing to support relocation of application instance across edge computing hosts or between edge computing host and cloud computing over underlying mobile network. With the active-standby mode application instance implementation with support of L2 networks, the application mobility could achieve the service continuity with low latency switching time. An application mobility mechanism can be implemented in the data plane of edge computing host under the control of edge computing platform and management. It can be also implemented in L2 switching function of the User Plane Function in 5G networks.

Abstract: Provided are a transmission method, apparatus and system and a computer-readable storage medium. The transmission method includes creating an automatic repeat request process for a first packet; setting a lifetime for the automatic repeat request process; and sending the first packet. The lifetime is set for the automatic repeat request process so that the automatic repeat request process can be removed in time. In this manner, in the case where a limited number of automatic repeat request processes are simultaneously supported, a new automatic repeat request process can be created for a newly transmitted packet in time, and thus the transmission efficiency is improved.

Abstract: Provided are a method for implementing an automatic retransmission function and a related station. The method includes that a first station sends a first message. The first message carries automatic retransmission enable information. The automatic retransmission enable information is used for instructing that the automatic retransmission function be enabled or disabled.

Abstract: Systems and methods for image processing are described. Embodiments of the present disclosure receive an image having a plurality of object instances; encode the image to obtain image features; decode the image features to obtain object features; generate object detection information based on the object features using an object detection branch, wherein the object detection branch is trained based on a first training set using a detection loss; generate semantic segmentation information based on the object features using a semantic segmentation branch, wherein the semantic segmentation branch is trained based on a second training set different from the first training set using a semantic segmentation loss; and combine the object detection information and the semantic segmentation information to obtain panoptic segmentation information that indicates which pixels of the image correspond to each of the plurality of object instances.

Abstract: Systems, methods and devices for low power channel access using a wake up radio are disclosed herein. In accordance with one exemplary embodiment, a method performed by a communication device includes: receiving a wake up signal at a wake up radio from a communication node at a receipt time, wherein the wake up signal indicates a node active time for a main radio to begin communicating with the communication node; determining a transition time between an initiation time for the main radio and a device active time, wherein the device active time is during the node active time; determining a delay time from the receipt time to the initiation time; initiating the main radio at the initiation time; and communicating with the communication node using the main radio during the device active time.

Abstract: A video interaction method includes receiving a video posting operation for a first video, where the first video is a video shot by a first user by using a target prop, where the target prop is a preset type of shooting prop; in response to the video posting operation, posting the first video; in response to finishing posting the first video, acquiring information about the degree of completion of interaction between the first user and the target prop in the shooting process of the first video; determining a first target object corresponding to the first video according to information about the degree of completion of interaction; and paying the first target object to the account of the first user and displaying a first object information window of the first target object.

Abstract: A method of operating a power generating system for a wind turbine connected to an electrical grid, the power generating system comprising a power generator, a converter, a transformer and a tap changer, the method comprising; when operating the power generating system in a grid-forming configuration, monitoring a signal for detecting a voltage of the electrical grid which requires an increase in output voltage from the power generating system in order to maintain the grid voltage within a predetermined voltage range; and operating the tap changer to tap-up the transformer to provide at least part of the voltage increase required to maintain the grid voltage within the predetermined voltage range.

Abstract: Provided are a method and apparatus for transferring an edge computing application. The method includes: receiving, by a first edge computing application of a first edge computing host, a first message sent by an edge computing platform of the first edge computing host, where the first message includes edge computing application information of a second edge computing host; and sending, by the first edge computing application, a second message to a second edge computing application of the second edge computing host according to the edge computing application information of the second edge computing host, where the second message carries user context information.

Abstract: A low-power clock generation circuit has a phase generator that receives an input clock signal and uses the input clock signal to generate multiple intermediate clock signals with different phase shifts, a phase rotator circuit that outputs phase-adjusted clock signals, a frequency doubler circuit that receives a plurality of the phase-adjusted clock signals and outputs two frequency-doubled clock signals having a 180° phase difference, and a quadrature clock generation circuit that receives the two frequency-doubled clock signals and provides four output signals that include in-phase and quadrature versions of the two frequency-doubled clock signals.

Abstract: Various disclosed embodiments are directed to refining or correcting individual semantic segmentation/instance segmentation masks that have already been produced by baseline models in order to generate a final coherent panoptic segmentation map. Specifically, a refinement model, such as an encoder-decoder-based neural network, generates or predicts various data objects, such as foreground masks, bounding box offset maps, center maps, center offset maps, and coordinate convolution. This, among other functionality described herein, improves the inaccuracies and computing resource consumption of existing technologies.

Abstract: This application relates to apparatus and methods for automatically determining and providing item advertisements, such as for display on a website. In some examples, a computing device obtains a prioritized list of item advertisements for each of a plurality of item categories. The computing device also obtains an item category for each of a plurality of positions of a display interface. Each item category may correspond to one or more of the plurality of item categories. Further, the computing device determines, for each position of the plurality of positions of the display interface, an item advertisement based on the item category for the position and the prioritized list of item advertisements. The computing device generates display interface position data identifying the item advertisement determined for each position of the plurality of positions of the display interface. The computing device transmits the display interface position data to a web server.

Abstract: There is provided a dot sight device including a housing being configured to have an open front and an open rear, and a light path connecting a user with a target along a central axis of the light path disposed therein. A dot reticle generating unit generates a plurality of light rays for forming a dot reticle. A reflective mirror reflects the light rays provided from the dot reticle generating unit toward the user to form an image on a target side. A compensating plate is disposed along the light path of the housing together with the reflective mirror and passes through the light rays coming from the target to be directed toward the user. The compensating plate is configured to suppress or minimize one or more movements of the image of the target caused by one or more movements of the dot sight device.

Abstract: A low-power clock generation circuit has a phase generator that receives an input clock signal and uses the input clock signal to generate multiple intermediate clock signals with different phase shifts, a phase rotator circuit that outputs phase-adjusted clock signals, a frequency doubler circuit that receives a plurality of the phase-adjusted clock signals and outputs two frequency-doubled clock signals having a 180° phase difference, and a quadrature clock generation circuit that receives the two frequency-doubled clock signals and provides four output signals that include in-phase and quadrature versions of the two frequency-doubled clock signals.

Abstract: Methods and systems for securely sending user plane data from a base station to an Artificial Intelligence (AI) server via a mobile telecommunication network are disclosed herein. A method performed by the base station located in a Radio Access Network (RAN) includes: sending an interface setup request to the (AI) server, receiving an interface setup response from the AI server, establishing, by exchanging cryptographic keys using an Internet Key Exchange (IKE) protocol, a data transport tunnel between the base station and the AI server based on an Internet Protocol Security (IPSec) network protocol, and sending the user plane data from the base station to the AI server for training artificial intelligence based models.

Abstract: An apparatus for processing a substrate includes a reaction tube, a side cover, a heater, a first gas supplier, a second gas supplier and a controller. The reaction tube is configured to receive a substrate boat in which a plurality of the substrate is received to process the substrate. The side cover is configured to receive the reaction tube. The heater lines the interior of the side cover. The first gas supplier is provided to an upper portion of the side cover to supply a cooling gas at a first supplying rate to a space between the side cover and the reaction tube. The second gas supplier is provided to a lower portion of the side cover to supply the cooling gas at a second supplying rate different from the first supplying rate to the space between the side cover and the reaction tube. The controller controls the reaction tube.

Abstract: A snow shovel that has a shaft, a handle, and a scoop to allow the user to remove unwanted snow and ice from a surface. This shovel includes a heated bottom edge with a vibrating motor to melt and dislodge ice or snow from a surface. The shovel also includes a vibration-reducing mechanism to dampen the vibrations that a user might feel during the use of this shovel, along with sensors that detect when the heated edge and motor should be turned on or off.