Abstract: A method is provided for setting an attribute of a link between an aerial network node and another node. The method comprises determining that a geographic condition of the link in relation to the aerial network node is satisfied. The method further comprises setting at least one attribute of the link to match at least one attribute associated with the geographic condition. Further, an aerial network node is provided including a network interface, a processor, and a non-transient computer readable memory for storing instructions which when executed by the processor configure the aerial network node to determine that a geographic condition of a link between the aerial network node and another node, in relation to the aerial network node is satisfied. The network node is further configured to set at least one attribute of the link to match at least one attribute associated with the geographic condition.

Abstract: A display substrate includes: a base substrate, as well as a first metal layer, a first insulating layer, a second metal layer, a second insulating layer, and a common electrode metal layer laminated on one side of the base substrate. The common electrode metal layer includes metal line segments and connecting line segments. The metal line segments include first metal line segments and second metal line segments. The connecting line segments connect the adjacent first and second metal line segments. Each connecting line segment is provided with a maintenance line segment. Orthographic projections of the maintenance line segments on the base substrate do not overlap those of gate lines and data lines on the base substrate. The spacing between the orthographic projections of the maintenance line segments and those of the gate lines and data lines is greater than or equal to a preset distance, which is greater than zero.

Abstract: Embodiments of the disclosure provide methods and systems for predicting a trajectory of a vehicle. An exemplary system includes a communication interface configured to receive a map of an area in which the vehicle is traveling and sensor data acquired associated with the vehicle. The system includes at least one processor configured to position the vehicle in the map and identify one or more objects surrounding the vehicle based on the positioning of the vehicle. The at least one processor is further configured to extract features of the vehicle and the one or more objects from the sensor data. The at least one processor is also configured to determine a plurality of candidate trajectories, determine a probability for each candidate trajectory based on the extracted features, and identify the candidate trajectory with the highest probability as the predicted trajectory of the vehicle.

Abstract: A video similarity detection method and apparatus are provided. In the method, a detection apparatus receives a first video, determines a key frame of the first video based on the first video, and determines a similar key frame and a second video, the similar key frame being determined based on the key frame. The second video includes a video in which the similar key frame is located. The method inputs the key frame and the similar key frame to an editing type recognition model to obtain an editing type. The editing type indicates an editing type used for editing between the first video and the second video.

Abstract: The present invention relates to the technical field of biomedicine, particularly to a pyridine sulfonamide phosphate compound, a preparation method therefor, and a use thereof. The invention provides the following technical benefits: the pyridine sulfonamide phosphate compound has characteristics of high solubility, high stability, ease of being made into preparations, etc., which is easy to be industrially scaled up for medical use.

Abstract: Disclosed is an alkane dehydrogenation circulating device, including a reaction device and a regeneration device. The reaction device includes a reactor and a reaction disengager, the reaction disengager is communicated with the reactor, and the reactor is provided with a catalyst distributor through which a catalyst is sprayed into the reactor along a direction from the peripheral wall of the reactor to the central axis of the reactor; the regeneration device includes a regenerator accommodating the catalyst and a regeneration disengager located above the regenerator.

Abstract: A composition with exogenous mitochondria as active ingredients, and a use thereof and a cell repairing method therefor. The composition includes exogenous mitochondria and at least one pharmaceutically or cosmetically acceptable carrier. The composition may further include an adjuvant, and the adjuvant is selected from a group consisting of serum, plasma, complement and at least the above two ingredients. The exogenous mitochondria are obtained from cells by a centrifugal purification method.

Abstract: A fine-displacement adjusting device is constructed to have a first base portion and a second base portion spacedly encircled therewithin. The fine-displacement adjusting device further includes a first retractable element biased between the first and second base portions, and a first resilient element biased between the first and second base portions. The first retractable element is configured to extend and retract its length along a first axis to move the second base portion in a reciprocating manner. When the second base portion is moved by the first retractable element, the first resilient element moves the second base portion along the first axis to restore the second base portion. Therefore, the second base portion is fine-moved along the first axis in a reciprocating manner for adjusting the fine-displacement of an optical lens relative to an optical light source of a light engine in the first axis.

Abstract: Provided in the embodiments of the present application are a dynamic white box-based data processing method, apparatus, and device, the method comprising: using a pre-generated key obfuscation mapping relationship set to perform obfuscation processing on an original key to obtain a redundant key; and inputting the redundant key and to-be-processed data into a white box algorithm library to implement encryption and decryption processing; thus, in the technical solution provided in the embodiments of the present application, different redundant keys can be inputted into the white box algorithm library, so that there is no need to change the white box algorithm library and the key together, increasing the flexibility of the solution.

Abstract: An audio signal encoding method and device are provided. The method and device are used to encode an audio signal to obtain a bitstream representing the analog audio signal, in which a proper bit allocation for spectral coefficients can be performed.

Abstract: Embodiments of this application provide a security protection method in an in-vehicle system and a device, relate to the field of internet of vehicles technologies, to deploy a first security protection module on an electronic control unit, deploy a second security protection module on a domain controller, and deploy a third security protection module on a gateway based on security level requirements of the gateway, the domain controller, and the electronic control unit, so that the gateway, the domain controller, and the electronic control unit have different security levels. A security level of the first security protection module is a first security level, a security level of the second security protection module is a second security level, and a security level of the third security protection module is a third security level.

Abstract: The present disclosure relates to a system and a method for calibrating and a camera and a multi-line LIDAR of an autonomous vehicle. The system may perform the method to: obtain an image including a plurality of calibration targets thereon from the camera; obtain 3D data of the plurality of calibration targets from the LIDAR; and determine a relative pose of the camera relative to the LIDAR based on the image and the 3D data.

Abstract: An aspect of the disclosure provides a method for handling delayed packets in a mobile wireless network performed by a PCF. The method includes receiving information pertaining to packet handling policy (PHP) parameters for a PDU session; and sending the PHP to other network functions for instructing devices in the user plane of the mobile wireless network how to handle delayed packets.

Abstract: A method and system for implementing concurrency control in a database system includes receiving a request from a node for handling by a GTM. Registering the request in a slot in a tracking array where each of the slots represents one of the requests for handling by the GTM. A slot is acquired, and a segment of the tracking array is scanned to determine a batch of pending requests. The batch is used to produce an aggregate request and the aggregate request includes an aggregate increment of a total number of commit requests of the batch. The aggregate request is sent to the GTM using one of a plurality of pre-established connections. A response is received from the GTM that includes a current value of an incremented timestamp. The incremented timestamp is distributed to the requests of the batch and the lock is released.

Abstract: A contention window maintenance method and a communications apparatus are provided. A contention window maintenance method includes maintaining, by a communications apparatus in a first time window, a contention window value based on responses of N pieces of first reference data sent by the communications apparatus within a first reference time, N being an integer greater than 0, the responses comprising an ACK and/or a NACK, and the contention window value is maintained based on a proportion of ACKs in the received responses of the N pieces of first reference data and/or a proportion of NACKs in the received responses of the N pieces of first reference data.

Abstract: Embodiments provide a radio frequency apparatus including a radome, an absorber, and a radio frequency circuit board that may be used for millimeter wave radar of an intelligent automobile to reduce high-frequency radiation interference from a radio frequency chip and an antenna feeder.

Abstract: The present application provides a pressure sensor including: an upper cover plate having a first cover plate surface, wherein the upper cover plate has a cover plate through hole formed on the first cover plate surface; a pressure-sensitive film having a first pressure-sensitive surface and a second pressure-sensitive surface opposite to each other, wherein the first pressure-sensitive surface is attached to the first cover plate surface, a first electrode is formed on the second pressure-sensitive surface, and at least a portion of the first electrode corresponds to the cover plate through hole; and a substrate having a first surface joined to the second pressure-sensitive surface, wherein a concave cavity is formed on the first surface at a position corresponding to the cover plate through hole, a second electrode is formed at a wall portion of the concave cavity, and the first and second electrodes constitute two electrodes of a capacitor.

Abstract: Embodiments of the disclosure provide methods and systems for predicting a movement trajectory of a pedestrian. The system includes a communication interface configured to receive a map of an area in which the pedestrian is traveling and sensor data acquired associated with the pedestrian. The system includes at least one processor configured to position the pedestrian in the map, and extract pedestrian features from the sensor data. The at least one processor is further configured to identify one or more objects surrounding the pedestrian based on the positioning of the pedestrian, and extract object features of the one or more objects from the sensor data. The at least one processor is also configured to predict the movement trajectory and a movement speed of the pedestrian based on the extracted pedestrian features and object features using a learning model.

Abstract: Embodiments of the disclosure provide methods and systems for jointly predicting movement trajectories of a plurality of moving objects. The system includes a communication interface configured to receive a map of an area in which the plurality of moving objects are traveling and sensor data acquired associated with the plurality of moving objects. The system further includes at least one processor configured to position the plurality of moving objects in the map. The at least one processor further determines object features of each moving object based on the sensor data, and determines regulation features of the moving objects. The object features characterize movement of the respective moving object, and the regulation features characterize traffic regulations the moving objects need to obey. The at least one processor also jointly predicts the movement trajectories of the plurality of moving objects based on the object features and regulation features using a learning model.

Abstract: A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.