Abstract: A channel contention method includes performing, by a first station and a second station of a multi-link device (MLD), channel contention based on a first enhanced distributed channel access (EDCA) parameter; generating, by the first station and the second station, a point coordination function (PCF) inter-frame space (PIFS) access t imer when the first station performs EDCA access and the second station performs PIFS access; and performing, by the first station and the second station, channel contention based on a second EDCA parameter before the PIFS access timer backs off to 0.

Abstract: A system includes multiple memory dies. Each of the memory dies includes a PPM circuit including a first pull driver, a second pull driver, and a PPM contact pad connected between the first pull driver and the second pull driver. The PPM contact pads of the multiple memory dies are electrically connected with each other. The PPM circuits of the multiple memory dies are configured to manage peak power operations according to a first pull current flowing through a certain first pull driver of a certain PPM circuit. The first pull current is a sum of second pull currents flowing through second pull drivers of the PPM circuit. Each of the second pull currents is proportional to a current level of a corresponding memory die.

Abstract: An electrostatic dust removal apparatus and an electrode unit thereof are disclosed. The electrostatic dust removal apparatus includes a frame, and a plurality of electrode units. The plurality of electrode units include at least one high-potential unit and at least one low-potential unit. The plurality of electrode units are provided on the frame and are spaced apart from each other. The at least one high-potential unit and the at least one low-potential unit are arranged alternately, and an air channel for removing dust is formed between the electrode units adjacent to each other. Each of the plurality of electrode units includes a conducting part and an insulating part, the conducting part is a conductive plastic part and includes an electrical field generator and a conducting end, and the insulating part covers at least a portion of the electrical field generator.

Abstract: A model training method and a related apparatus are provided and may be used in computer vision to perform image detection. The method includes: extracting feature information from a target image; further separately extracting features of a target object from the feature information by using a Gaussian mask to obtain a first local feature and a second local feature; determining a feature loss by using the first local feature and the second local feature; performing prediction by using the first network and the second network based on a same region proposal set to obtain a first classification predicted value and a second classification predicted value, and obtaining a classification loss based on the first classification predicted value and the second classification predicted value; and training the second network based on the classification loss and the feature loss to obtain a target network.

Abstract: A method of managing locks in a database is performed by a row lock manager of a database master. The method includes receiving, from a transaction executing on the database master, a row lock request for a row in the database. The row lock request includes a page in the database where the row is located. The row lock request also includes a row lock mode of sufficient strength to perform the transaction. Then, sending, to a page lock manager, a request for a covering lock of the page. The request specifies a page lock mode of sufficient strength to satisfy the row lock mode. Also, receiving, from the page lock manager, a grant of the page lock. The page lock includes information on row locks of rows located in the page. Then, granting, to the transaction, the row lock.

Abstract: This application discloses a data processing method. A first apparatus obtains a first feature of a first data block in storage space. The first feature includes a read/write feature related to the first data block and a read feature of a second data block adjacent to the first data block. The first apparatus inputs the first feature into an access frequency prediction model, to obtain access frequency of the first data block. The access frequency of the first data block is used to determine a type of the first data block. To be specific, in embodiments of this application, future access frequency of the first data block is predicted by using a multidimensional feature of the first data block (the read/write feature of the first data block and a read feature of an adjacent data block).

Abstract: A method and apparatus for controlling installation of an application program are described. In an embodiment, a first terminal device receives a first operation of a user, where the first operation is triggered by the user for a target application on the first terminal device; the first terminal device displays a first window in response to the first operation, where the first window includes at least one first identifier, and the at least one first identifier corresponds to at least one second terminal device; and the first terminal device detects that a target first identifier in the first window is selected, and sends first indication information to a target second terminal device that is in the at least one second terminal device and that is corresponding to the target first identifier, to indicate the target second terminal device to install the target application.

Abstract: A gap determining method includes: A terminal device receives first configuration information and second configuration information from a network device. The terminal device receives scheduling information from the network device. The terminal device determines a downlink gap of the first channel based on the first configuration information. The terminal device determines a first gap between the N transport blocks based on the second configuration information. When the terminal device determines that a preset condition is satisfied, the terminal device determines that a gap part that is included in the first gap and that overlaps with the downlink gap is postponed in time domain and that a gap part obtained through postponing does not overlap with the downlink gap; or when the first gap includes a gap part that overlaps with the downlink gap, the terminal device determines that the gap part belongs to the downlink gap.

Abstract: A method includes determining a first data sending rate based on multiple round-trip times (RTTs), where the multiple RTTs include RTTs of a plurality of first probe packets sent at different sending rates, and the first sending rate is a sending rate corresponding to an RTT that is in the multiple RTTs and that is less than a first preset threshold; determining a second sending rate based on a plurality of packet loss rates, where the packet loss rates include packet loss rates of a plurality of second probe packets sent at different sending rates, and the second sending rate is a sending rate corresponding to a packet loss rate that is less than a second preset threshold; and sending a third probe packet at a third sending rate.

Abstract: A multi-lens video recording method and a main control device are disclosed. The method includes: performing collaborative photographing through a plurality of cameras, determining a target camera movement mode based on main subject information in images obtained through photographing and motion information of the cameras, and then fusing, based on the target camera movement mode, the images obtained through photographing by using the plurality of cameras, to implement online camera movement fusion on the plurality of video stream images.

Abstract: A neural network including a first neural network layer and a second neural network. The first neural network obtains a first number of channels Cin as input and outputs a second number of channels Cout, where the first number of channels is different from the second number of channels, and Cout=p*Cin/q, and where Cin is a multiple of q, and Cin, Cout, p, and q are integers. The second neural network layer obtains the second number of channels Cout as input.

Abstract: Embodiments of this application provide a feed network. The feed network includes a housing, and at least one accommodation cavity is disposed in the housing. A transmission structure, a support, and a phase shift medium are disposed in each accommodation cavity. The support is located in the accommodation cavity, and the support is connected to at least one inner wall of the accommodation cavity. In a first direction, the support includes a bearing surface, an inner wall that is of the accommodation cavity and that is opposite to the bearing surface and the bearing surface are spaced apart, and the transmission structure is disposed on a surface of the bearing surface. In the first direction, the phase shift medium is disposed between the transmission structure and one of inner walls of the accommodation cavity, and the phase shift medium is slidably connected to the support in a second direction.

Abstract: In an input method, an electronic device detects a pre-modification operation on M target words. The pre-modification operation includes entering first input information that corresponds to at least N words, where N is greater than M. The electronic device displays a first-page candidate term set in an interface in response to the pre-modification operation. The first-page candidate term set includes at least one original candidate term corresponding to the first input information and at least one sub-candidate term corresponding to some of the first input information. The original candidate term includes at least N words, and the sub-candidate term includes M words.

Abstract: The present invention relates to a liquid crystal light modulating device comprising substrates coated with a transparent conductive layer and a liquid crystal composition sandwiched between the substrates with a dichroic dye added; the resulting liquid crystal light modulating device can exist in at least two stable states that remain substantially stable after removal of a voltage, wherein at least one of them is the liquid crystal molecules arranged in a substantially ordered manner, and at least one of them is the liquid crystal molecules arranged in a multi-domain and disordered manner; the applied voltage makes the arrangement of liquid crystal molecules can be quickly switched between the above stable states, and different liquid crystal molecule arrangements from the stable states can be obtained; the above liquid crystal light modulating device for incident light can be adjusted between the minimum absorption and minimum scattering state of high clarity and transparency to the maximum absorption and

Abstract: A communication method and apparatus trigger a terminal device with a low complexity capability to activate a power saving mode and reduce signaling overheads in a power saving configuration process. The method may include the terminal device receiving first information from a network device and activates a power saving mode. The first information is received either as broadcast signal, a multicast signal, or a paging message. The first information includes power saving duration information indicating power saving duration, and duration for which the terminal device is in the power saving mode is less than or equal to the power saving duration.

Abstract: A method of managing load in a database system includes receiving, by a compute node, from a page store, a log writing quota. Then, requesting, by a transaction of the compute node, a lock of a page to be modified by the transaction where the page is part of the page store including a plurality of pages and the transaction is configured to write a data amount to a log. Also, granting, by a lock manager of the compute node, the lock and determining, by the compute node, that the data amount exceeds the log writing quota. Furthermore, releasing, by the transaction, the lock, and throttling, by the compute node, the transaction until a criteria is fulfilled. Then, reacquiring, by the transaction, in response to the criteria being fulfilled, the lock, and writing, by the compute node, the data amount to the log.

Abstract: A stereo signal encoding method includes: obtaining a residual signal encoding parameter of a current frame of a stereo signal based on downmixed signal energy and residual signal energy of each of M sub-bands of the current frame, where the residual signal encoding parameter indicates whether to encode residual signals of the M sub-bands; determining whether to encode the residual signals based on the residual signal encoding parameter; and encoding the residual signals when it is determined that the residual signals need to be encoded.

Abstract: This application provides an audio/video or picture compression method and apparatus, which relates to the field of artificial intelligence (AI)-based audio/video or picture compression technologies, and to the field of neural network-based audio/video or picture compression technologies. The method includes: transforming a raw audio/video or picture to feature space through a multilayer convolution operation, extracting features of different layers in the feature space, outputting rounded feature signals of the different layers, predicting probability distribution of shallow feature signals by using deep feature signals or entropy estimation results, and performing entropy encoding on the rounded feature signals. In this application, signal correlation between different layers is utilized. In this way, audio/video or picture compression performance can be improved.

Abstract: An antenna includes a reflection plate, a radome, a radiating element, and a feeding network. The reflection plate has a first surface and a second surface, and the first surface is opposite to the second surface. The radome is covered on the reflection plate, the radome and the first surface of the reflection plate constitute an accommodation space. The radiating element is located in the accommodation space, and the radiating element is electrically connected to the feeding network. The feeding network is at least partially disposed on the second surface of the reflection plate.