Abstract: Embodiments of this application disclose a method for obtaining a motion vector, including: determining a reference block of a to-be-processed block, wherein the reference block and the to-be-processed block have a preset spatial correlation, the reference block is obtained based on a prediction block of the reference block determined by a refined initial motion vector, the refined initial motion vector is obtained based on an initial motion vector and one or more preset motion vector offsets, and the initial motion vector is obtained based on a predicted motion vector of the reference block; and using the initial motion vector as a predicted motion vector of the to-be-processed block.

Abstract: Embodiments of the present invention disclose a battery switch on circuit and a lithium battery. The circuit includes a communication control module, a relay, a communication control circuit, a switch, and a communication connection terminal. A communication signal terminal of the communication control module is connected to a first contact of the relay, a common contact of the relay is connected to the communication connection terminal. A coil of the relay is powered on to control the common contact and the first contact to be gated and is powered down to control the common contact and a second contact of the relay to be gated. The communication connection terminal is configured to connect to an upper computer. The switch includes a first terminal, a second terminal, and a control terminal. A signal from the control terminal of the switch is capable of controlling conduction or disconnection between the first terminal and the second terminal.

Abstract: An intelligent control system for a circular high-power vibration motor is provided. The control system controls a plurality of operating parameters of a plurality of vibration motors by a control module so as to cooperate in a process of generating vibration. The plurality of vibration motors are mounted on a motor frame and distributed evenly at equal angles. Eccentric members are respectively provided at two ends of a central shaft of each vibration motor. A detection module detects rotation phases of the eccentric members, and the control module is configured to adjust one or more vibration motors to accelerate or decelerate rotation based on phases of the eccentric members, so that vibration parameters generated by the plurality of vibration motors are the same or tend to be the same. The detection module includes a plurality of photoelectric sensors.

Abstract: An electronic equipment accessory includes an accessory body and a holder assembly connected to the accessory body. The holder assembly includes a support member and a base. The base is rotatably connected to the accessory body. The support member is rotatable relative to the base between an extended position and a folded position. At the extended position, an included angle is formed between the support member and the base to thereby allow the accessory body to be supported on a support surface. The support member is rotatable relative to the base in one direction and the base is rotatable relative to the accessory body in another direction, thus the support member of the electronic equipment accessory can be adjusted with respect to the accessory body in multiple directions to thereby allow the electronic equipment accessory to support electronic equipment on a support surface at multiple different directions or tilted angles.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: The present application discloses a gate drive circuit and a display panel. The gate drive circuit includes a plurality of cascaded gate drive units. Each of the gate drive units includes a stage transmission signal selection circuit, a pull-up control circuit, a pulse number reduction circuit, a first inversion circuit, a first output stage and a second output stage, and can output a second gate control signal with a greater number of pulses and a first gate control signal with a less number of pulses.

Abstract: A method includes a first device obtains application information of at least one first application of a second device from a first distributed database. The first distributed database is in the first device, the first distributed database is capable of data synchronization with a second distributed database, the second distributed database is in the second device, and the application information includes at least one of an application name, an application icon, and an application type. The first device displays a first interface. The first interface includes a second application of the second device, and the second application belongs to a subset of the first application.

Abstract: A waterproof distress alarm device is provided. The waterproof distress alarm device includes a housing, a base, a main board, a battery holder, a buzzer, an LED light board, a supporting frame, a waterproof membrane, a top cover, and a floating ring, the base is capable of being separated from the housing, at this time, the alarm is triggered to work. The alarm signal is transmitted to the buzzer through a wire, and LED light board is activated, causing the overall device to emit an alarm and warning light. Combined with the material characteristics of floating ring, the overall device remained in a vertical state and floated on the water surface, making it easier for subsequent rescuers to detect.

Abstract: A data processing method is provided, and relates to the field of chip technologies. According to the method, when a data processing request of an application for a first storage space in a memory is received, a memory bypass flag corresponding to the first storage space is obtained. The memory bypass flag indicates a storage manner of using a cache, and the storage manner is set based on an access requirement of the application for the first storage space. Therefore, when associated data of the first storage space is processed based on the obtained memory bypass flag, the storage manner of using the cache for the associated data may be determined based on the access requirement of the application for the first storage space, so that a cache behavior is controlled based on the access requirement of the application, thereby improving a cache hit rate.

Abstract: Examples of the present disclosure provide packet forwarding methods, a network device and a storage medium. In the examples of the present disclosure, the automation of deploying SRv6 in a layer three network is achieved by automatically allocating different locators to the gateway device and different APs connected to the gateway device, so as to fully utilize the advantages brought by SRv6 in the layer three network. Further, in this example, an SRv6 tunnel is deployed between the gateway device and the AP based on locators allocated to the gateway device and the AP, and the packet is transmitted between the gateway device and the AP through the SRv6 tunnel, thus achieving the packet forwarding method applied to the layer three network with SRv6 deployed.

Abstract: Alight beam shaping apparatus, a light beam shaping method, and a WSS are provided. The light beam shaping apparatus includes a port assembly and a first light beam shaping device, where the port assembly includes an input port. The first light beam shaping device is configured to perform phase adjustment on each input first light beam to adjust a beam waist width of each first light beam in a first direction and/or a beam waist width of each first light beam in a second direction, where the first direction is perpendicular to the second direction, and each first light beam comes from a corresponding input port.

Abstract: The present disclosure provides a case for an electronic device and a magnetic assembly. The case includes a side wall, a back wall connected with the side wall to define a receiving cavity for receiving the electronic device, and a magnetic assembly, the magnetic assembly includes a support member connected with the side wall or the back wall, and a magnetic alignment member, the support member is capable of moving relative to the side wall or the back wall, so as to support the case, the magnetic alignment member is detachably or fixedly connected with the support member connected with the back wall or the side wall. The case of the present disclosure is convenient to use.

Abstract: A method for obtaining a cover image includes: obtaining a plurality of first cropped images of an original image corresponding to a candidate resource; obtaining an aesthetic score of each of the plurality of first cropped images; and determining a target cover image of the candidate resource from the plurality of first cropped images based on the aesthetic score of each first cropped image.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of pixel circuits, the plurality of pixel circuits are arranged on the base substrate in an array, the plurality of pixel circuits include a plurality of active patterns, each of the plurality of active patterns extends along a first direction, the plurality of active patterns are arranged along a second direction, adjacent active patterns are spaced apart from each other in the second direction, and at least one of the plurality of active patterns comprises at least one disconnection position to form a plurality of active sub-patterns independent of each other.

Abstract: An embodiment of the present disclosure provides a sampling equipment and a sampling method, which relates to the field of plant sampling technology, and the sampling equipment includes a sampling tool, a first driving assembly, and a crushing component. The sampling tool is configured to separate a sample from an object to be sampled, is formed with a crushing portion, and is disposed at the first driving assembly. The first driving assembly is configured to drive the sampling tool to move relative to the crushing component to crush the sample. The sampling equipment in the embodiment of the present disclosure reduces the total time for sampling and crushing the plant. Therefore, it can better link up to an existing high-throughput automated DNA extraction equipment and improve the efficiency of plant-related molecular biology research.

Abstract: This specification discloses data query methods and apparatuses, storage media, and electronic devices. In an example method, a query statement input by a user is obtained, where the query statement is used to query data from a database. Based on the query statement, an execution plan corresponding to the query statement is generated. Based on the execution plan, each query operation involved in the execution plan and an execution order of query operations are; determined. A target operation from the query operations is determined based on the execution order of the query operations, where the target operation is an operation other than a last query operation to be executed among the query operations. When executing the execution plan, deduplication is performed on duplicate results included in query results obtained by executing the target operation. Based on deduplicated query results, query data corresponding to the query statement is obtained.

Abstract: A data forwarding device includes an adapter and at least one network device. The adapter includes a first circuit board, and a plurality of first input interfaces and a plurality of first output interfaces that are connected by using the first circuit board. The plurality of first output interfaces are classified into N first interface groups. The adapter transmits received signals to the plurality of first output interfaces for output, and N is a positive integer greater than or equal to 2. Each network device includes a second circuit board, and at least one second input interface and at least one network output interface that are connected by using the second circuit board. The at least one second input interface is plug-connected to one of the first interface groups. The adapter is plug-connected to the network device without cabling.

Abstract: A thermal management system for an energy storage battery pack includes energy storage battery packs and temperature control sub-units. Each energy storage battery pack includes battery modules and a main housing used for accommodating the battery modules; the temperature control sub-units are mounted on the energy storage battery packs, respectively; each temperature control sub-unit includes a speed regulation fan used for dissipating heat for the energy storage battery pack, a temperature detector used for sensing a temperature of the battery modules and a pulse width modulation (PWM) controller; the speed regulation fan, the temperature detector and the PWM controller of one of the temperature control sub-units are in signal connection, the PWM controller is used for adjusting the duty ratio of the speed regulation fan according to the difference value between the temperature of the battery modules and a temperature threshold; and the temperature threshold is a preset value.