Abstract: A method and system for LBT or CCA threshold setting for directional reception and transmission are provided. In an embodiment, a method in a wireless device for determining if a channel is clear in an unlicensed band channel in a wireless network includes detecting, with the wireless device, an energy along a first beamforming direction. The method also includes determining, with the wireless device, an energy detection threshold. The method also includes determining, with the wireless device, whether the unlicensed band channel is clear in at least the first receiving direction according to the energy and the energy detection threshold.

Abstract: Embodiments of the disclosure provide a blockchain consensus method, apparatus, device, and storage medium and relate to the field of blockchain technology. The method includes determining, from a plurality of sub-blockchains, a target sub-blockchain to which a target block belongs, and adding the target block to the target sub-blockchain, where the target block is generated based on transaction data or obtained by synchronizing with other nodes; obtaining, from the plurality of sub-blockchains, a sequence of valid blocks for each of the plurality of sub-blockchains, where each sequence of valid blocks includes at least one valid block; and globally ranking the obtained valid blocks based on a logical clock corresponding to each of the obtained valid blocks, to obtain a global blockchain.

Abstract: A beam scanning system is provided, including an antenna module and a signal processing circuit. The antenna module includes N transmitting antennas arranged along a first direction on the first plane. Each transmitting antenna extends in a second direction on the first plane and is configured to convert electrical signals into millimeter wave electromagnetic signals. N millimeter wave electromagnetic signals sent by the N transmitting antennas form a target beam. The signal processing circuit is connected with the antenna module to control the target beam to perform two-dimensional scanning by outputting a frequency and phase controllable electrical signal to each of the N transmitting antennas. The frequency and phase of the electrical signals output to the N transmitting antennas may be adjusted by the signal processing circuit when the multiple transmitting antennas in the antenna module are only arranged in one direction.

Abstract: Described herein are compounds that are useful in treating a USP7-mediated disorder. In some embodiments, the USP7-mediated disorder is cancer.

Abstract: The invention relates to an ophthalmic pharmaceutical composition and its preparation methods and applications, wherein the pharmaceutical composition comprises of L-Alanyl-L-Glutamine suspended or dissolved in an isoosmotic solution suitable for human eyes, and has the advantages causing minimal irritation, with high stability and a good safety profile, and which can be used for relieving dry eye disease (DED) symptoms and/or improving and/or treating DED.

Abstract: A method for achieving terminal-pair definition of four-terminal-pair (4TP) impedance and an application thereof are provided, which belongs to the field of precision measurement and metrology. A current output terminal of a two-stage follower is connected to a high current terminal of impedance through a coaxial line, and a voltage output terminal of the two-stage follower is connected to a high voltage terminal of the impedance through the coaxial line, which makes current of the high voltage terminal be 0, and core wire currents and outer wire currents of the high current terminal equal and reverse. The terminal-pair definition of the 4TP impedance can be satisfied; and the follower is added to make a bridge ratio variable and isolate effects of bridge load changes, thereby accelerating a balancing speed of the 4TP impedance bridge, and achieving accurate and fast comparative measurement having high precision of the 4TP AC impedance.

Abstract: A method for optimizing data access performance, which is applied to an intermediate device, is described. The intermediate device is a network device between a client and a server side, there are one or more clients and one or more server sides. The method includes the intermediate device parsing a received first packet to obtain a feature of the first packet, where the first packet is from a terminal on which one of the clients is located, the first packet is used to request data from one of the server sides, the feature indicates the data requested by using the first packet, and the feature is carried in a part that is of the first packet and that corresponds to application layer data. The method may also include, when the intermediate device stores the data requested by using the first packet, sending the data requested by using the first packet to the terminal.

Abstract: Systems, apparatus, and methods for detecting air breathed by a user and/or one or more gases are provided herein. In some embodiments, an apparatus may include a test material adapted to reduce in size when exposed to one or more stimuli. In some embodiments, one or more chemicals may be disposed on the test material and, when exposed to the air breathed by the user, the one or more chemicals are adapted to transform from a first color to a second color. In some embodiments, when the test material reduces in size an intensity of the second color increases. The apparatus may further include a face mask. In this regard, the test material may be removably attached to the face mask. The apparatus may further include a spectrophotometer configured to determine if the one or more chemicals have transformed from the first color to the second color.

Abstract: A system for validating installation correctness of a component in a test assembly includes a housing having a platform including a tiered surface. The tiered surface forms an abutment surface configured as a stop against which a test assembly is abutted. A plurality of cameras is positioned to capture different views of the test assembly. A processing device is configured to execute instructions to capture an image from each of the plurality of cameras of the test assembly that includes a plurality of components. Each of the plurality of components is analyzed within each image of the plurality of images. A matching score is determined and an indication of whether the plurality of components was correctly installed in the test assembly is generated.

Abstract: The present application discloses a negative active material, preparation process thereof and a secondary battery and the related battery module, battery pack and device. The negative active material comprises a core material and a modified polymer coating layer coated on at least a part of the outer surface of the core material, the core material comprises one or more of silicon-based materials and tin based materials, the coating layer comprises carbon element and nitrogen element, wherein the nitrogen element is present in the negative active material in a mass percentage of 0.1%˜0.66%, and the coating layer comprises a —C?N-linkage.

Abstract: Provided are an method for generating an animation and apparatus, an electronic device, and a computer-readable storage medium. The method for generating an animation comprises: determining a background image and a first foreground image of an original image (S110); respectively rotating, scaling and translating the first foreground image and a first 2D sticker image to obtain a second foreground image and a second 2D sticker image, wherein the first 2D sticker image is generated in advance on the basis of a predetermined coverage manner and according to the original image (S120); mixing the second foreground image with the background image to obtain a first mixed image (S130); and mixing the first mixed image with the second 2D sticker image to generate an animation of the original image (S140).

Abstract: A wearable device for measuring blood pressure comprises a housing with through-holes formed thereon, a processing unit disposed in the housing, a display connected to the processing unit, a plurality of sensors connected to the processing unit, the sensors being configured to transmit at least one physiological signal to the processing unit via the through-holes, and a time delay structure connected between one of the through-holes and one of the sensors and configured to lengthen a path distance between the skin surface and the sensor, wherein the processing unit is configured to determine a systolic arterial pressure and a diastolic arterial pressure by the at least one physiological signal and a Moens-Korteweg (MK) function, and to control the display to display the systolic arterial pressure and the diastolic arterial pressure to be read by the user.

Abstract: A method includes decoding, by at least one hardware processor, a notification of a changed database code of a database. A query is executed responsive to the notification. The query indicates a data processing command and a data object in the database. A regression in the changed database code is detected based on multiple regression testing operations applied to the data processing command and the data object. Analysis of the regression is performed to detect a rollout parameter of a plurality of rollout parameters as a root cause of the regression. The plurality of rollout parameters are associated with the changed database code. A determination is made on whether to perform a mitigation action for the regression based on the rollout parameter.

Abstract: A display substrate and related devices are provided. The display substrate includes a plurality of first sub-pixels, second sub-pixels and third sub-pixels. In a first direction, the first sub-pixels and the third sub-pixels are arranged alternately to form a plurality of first sub-pixel rows, the second sub-pixels form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are arranged alternately in a second direction, connection lines of center points of two first sub-pixels and two third sub-pixels form a first virtual quadrilateral, the two first sub-pixels are located at two vertex angles of the first virtual quadrilateral which are opposite to each other, one second sub-pixel is located within the first virtual quadrilateral, and the first virtual quadrilateral includes two interior angles each being equal to 90° and two interior angles each being not equal to 90°.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor for one or more semi-persistent scheduling (SPS) transmissions according to one or more SPS configurations. The UE may generate a set of feedback bits associated with the SPS transmissions, the feedback bits scheduled for transmission in a first set of uplink symbols. The UE may receive control signaling that changes an availability of the first set of uplink symbols for transmission of the set of feedback bits, and then defer transmission of the set of feedback bits to a second set of uplink symbols. The UE may determine whether to transmit at least a portion of the set of feedback bits in the second set of uplink symbols, and may transmit at least the portion of the set of feedback bits in the second set of uplink symbols and communicate in accordance with the determining.

Abstract: An example device for coding video data includes memory configured to store the video data and one or more processors communicatively coupled to the memory. The one or more processors are configured to reduce a bit length of one or more input variables for a linear regression operation to generate one or more reduced bit length input variables, the input variables including at least one of a) one or more delta coordinates, b) one or more delta motion vectors, or c) a value representing a number of subblocks. The one or more processors are configured to perform the linear regression operation and derive an affine motion model based on the performing the linear regression on the one or more reduced bit length input variables. The one or more processors are configured to code a current block of the video data based on the affine motion model.

Abstract: The present disclosure provides a computer-implemented method for encoding video. The method includes: receiving a video frame for processing; generating one or more coding units of the video frame; and processing one or more coding units using one or more palette predictors having palette entries, wherein each palette entry of the one or more palette predictors has a corresponding reuse flag, and wherein a number of reuse flags for each palette predictor is set to a fixed number for a corresponding coding unit.

Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first inter-metal dielectric (IMD) layer on a substrate; forming a contact hole in the first IMD layer; forming a bottom electrode layer in the contact hole; forming a magnetic tunneling junction (MTJ) stack on the bottom electrode layer; and removing the MTJ stack and the bottom electrode layer to form a MTJ on a bottom electrode. Preferably, the bottom electrode protrudes above a top surface of the first IMD layer.

Abstract: A method for achieving terminal-pair definition of four-terminal-pair (4TP) impedance and an application thereof are provided, which belongs to the field of precision measurement and metrology. A current output terminal of a two-stage follower is connected to a high current terminal of impedance through a coaxial line, and a voltage output terminal of the two-stage follower is connected to a high voltage terminal of the impedance through the coaxial line, which makes current of the high voltage terminal be 0, and core wire currents and outer wire currents of the high current terminal equal and reverse. The terminal-pair definition of the 4TP impedance can be satisfied; and the follower is added to make a bridge ratio variable and isolate effects of bridge load changes, thereby accelerating a balancing speed of the 4TP impedance bridge, and achieving accurate and fast comparative measurement having high precision of the 4TP AC impedance.

Abstract: A container kernel upgrade based on a programmable container kernel, includes, in response to receiving a container kernel upgrade request, freezing an application container in which a to-be-upgraded first container kernel is located. Current container status data of an application container including first container kernel status data and application status data is stored. The application container is restarted by using a second container kernel used for upgrading a container kernel, where restarted container status data of the restarted application container includes second container kernel status data corresponding to the second container kernel when the application container is restarted. Using the stored current container status data, a corresponding data field is updated in a data structure of the restarted container status data.