Abstract: Embodiments of this application disclose an audio signal encoding and decoding method, including: obtaining, based on spectra of M blocks of a current frame of a to-be-encoded audio signal, M transient state identifiers of the M blocks, where the M blocks include a first block, and a transient state identifier of the first block indicates that the first block is a transient state block, or indicates that the first block is a non-transient state block; obtaining group information of the M blocks based on the M transient state identifiers of the M blocks; performing grouping and arranging on the spectra of the M blocks based on the group information of the M blocks, to obtain a to-be-encoded spectrum of the current frame; encoding the to-be-encoded spectrum by using an encoding neural network to obtain a spectrum encoding result; and writing the spectrum encoding result into a bitstream.

Abstract: An operating method of a self-selecting memory device, includes an operation of applying a first write pulse corresponding to a first state to a first memory cell during a first pulse width, and an operation of applying a second write pulse corresponding to a second state to a second memory cell during a second pulse width, wherein the first write pulse and the second write pulse have substantially opposite polarities, wherein the first pulse width is longer than the second pulse width.

Abstract: This application provides a communication method and a communication apparatus. A terminal device determines a first physical resource, and receives a first PBCH and a first PBCH DMRS on the first physical resource. Correspondingly, a network device maps the first PBCH to the first physical resource, and sends the first PBCH, where the first physical resource is a physical resource occupied by the first PBCH and the first PBCH DMRS in a first SSB, and the first SSB occupies four symbols in time domain and occupies X subcarriers in frequency domain, where X is a positive integer greater than 127 and less than 240.

Abstract: The present disclosure discloses an electroencephalogram (EEG) emotion recognition method based on a spiking convolutional neural network. In the present disclosure, after EEG emotion data is preprocessed, a differential entropy feature is extracted and a time window is intercepted, and then a spiking convolutional encoder is configured to encode the EEG emotion data; a spiking convolutional feature extractor extracts a spiking data feature; and a spiking fully connected classifier performs learning and classification. In the present disclosure, a spiking neural network combining a spiking convolutional layer and a spiking fully connected layer is trained directly to achieve an objective of EEG emotion classification.

Abstract: Embodiments of the present application provide a data transmission method and a terminal device. The method is performed by a first terminal device, and includes performing an Ethernet Header Compression (EHC) process based on EHC configuration information and generating a first data packet; and transmitting the first data packet to a second terminal device. By means of the EHC configuration information, an EHC function between the terminal devices is achieved, and a resource utilization rate during a data transmission between the terminal devices is improved.

Abstract: A carbene coated metal surface is formed by applying a positive potential on a metal surface. applying a negative potential to a counter electrode and contacting them with a solution comprising free carbene, a salt of carbene, or a combination.

Abstract: A communication method, an apparatus, and a system for determining, by a first terminal device, a reference time domain position based on a preconfigured uplink time-frequency resource, where the reference time domain position is the same as a reference time domain position determined by another terminal device in a plurality of terminal devices, and the reference time domain position is used to initialize a first sequence; generating, by the first terminal device, a first reference signal based on the first sequence and a time interval, where the time interval is an interval between the reference time domain position and a start time domain position of transmission of the first reference signal; and sending, by the first terminal device, the first reference signal to a network device.

Abstract: A method for constructing a prediction model of an auto trips quantity and a prediction method and system are disclosed. The prediction model construction method designs a deep neural network Multitask GCN-LSTM based on GCN and LSTM for predicting the auto trips quantity. The deep neural network comprises three modules, wherein the three modules are respectively used for extracting a spatial correlation, a temporal correlation and a feature fusion. The prediction method and system predict the auto trips quantity based on a model constructed. By considering a road segment local relationship and a road segment global relationship and taking an auto arrival quantity as a related task in constructing the model, the prediction model construction method uses a multi-task learning method to avoid overfitting of the deep neural network and reduce a prediction error of the auto trips quantity effectively.

Abstract: A signal sending method, a signal receiving method, and an apparatus are provided. The method includes: A network device generates a first sequence, where the network device maps the first sequence to the last 11 orthogonal frequency division multiplexing OFDM symbols in a first subframe, and maps, to the first M OFDM symbols in the first subframe sequentially, a second sequence that belongs to the first sequence, where the second sequence is a sequence that is mapped to M OFDM symbols in a last N OFDM symbols of the first subframe, N is greater than or equal to M, N is an integer greater than 0 and less than 12, and M is an integer greater than 0 and less than 4; and the network device sends the first subframe.

Abstract: Compositions and methods related to straining defect doped materials as well as their methods of use in electrical circuits are generally described.

Abstract: Computer-readable media, methods, and systems are disclosed for linear interval-based dynamic range partitioning in one or more database systems. A request is received by a database management system to insert a new row into a partitioned database table. The partitioned database table may include a plurality of existing partitions and a partition others partition. Based on determining that the new row should be inserted into the partition others partition a series of steps are performed. First, one or more new partitions are added to the partitioned database table. Then, the new row is inserted into the one of the one or more new partitions in the partitioned database table.

Abstract: Methods and systems for managing permission controls are disclosed. A method can comprise receiving a request to perform one or more restricted activities. The request can include at least an identifier of a first user associated with the request and an identification of the one or more restricted activities. The identifier of the first user associated with the request and/or the identification of the one or more restricted activities can be presented to a second user, such as an administrator. A response to the request can be provided by the second user and transmitted comprising information relating to one or more of a grant, denial, or modification of the performance of the one or more restricted activities. The transmitted response can be configured to be processed by the source to effect grant, denial, or modification of the performance of the one or more restricted activities.

Abstract: An information synchronization method, a terminal and a system, which relates to the technical field of communication. The method includes: by the first terminal, sending a controlling request of a target terminal to the controlling server; by the first terminal, receiving a state feedback information sent by the first terminal, according to the state feedback information, updating an information of the first terminal; and by the first terminal, sending the state feedback information to each of the at least one second terminal, so that the second terminal updates an information of the second terminal according to the state feedback information.

Abstract: Disclosed is a testing device and method for a service life of an air-conditioning compressor of a new energy vehicle running with pure gas. The testing device includes an alternative refrigeration system, a measurement and control system, and a testing environment room. A main refrigeration cycle system of the alternative refrigeration system runs with pure gas, gas of a testing compressor is discharged via a discharge throttle valve, and then enters a suction end via a suction throttle valve and an electronic expansion valve, and since there is no phase change, a heat exchange amount is small; adjustable ranges of the discharge throttle valve, the suction throttle valve and the electronic expansion valve are wide; and based on the system structure, a small refrigeration system can be used to test a compressor having high cooling capacity, and the system can quickly achieve a target working condition with a small amount of refrigerant.

Abstract: The present disclosure provides a storage apparatus, a process cartridge and a connection apparatus. The process cartridge includes a cartridge body; a photosensitive drum, rotatably installed at the cartridge body, where the photosensitive drum is configured with an image-forming region capable of generating an electrostatic latent image; a potential detection part, configured to detect an electrical signal on the image-forming region; a storage apparatus, where the storage apparatus includes an electrical contact configured to be electrically connected to an electrical contact portion disposed on the image-forming apparatus main body; and a first electrical connection part, where the first electrical connection part includes a transmission terminal; and the transmission terminal is electrically connected to the electrical detection part and configured to be electrically connected to the electrical contact portion.

Abstract: A light projector module comprises a base plate with two opposite sides both extending in a longitudinal and a transverse direction, a light source mounted on one side of the two opposite sides for transmitting a light beam in a transmission plane that is perpendicular to the two opposite sides and parallel to the longitudinal direction, a micro-electro-mechanical-system (MEMS) scanning assembly having an arm which is mounted on and extends from the other side of the two opposite sides and having a scanning mirror which is movably mounted on the arm for scanning the light beam over a display area, and a light guide mounted on the base plate or the arm for guiding the light beam from the light source towards the scanning mirror. The light guide is configured to guide the light beam in a guiding plane that is parallel to the longitudinal direction.

Abstract: The present disclosure provides a voltage conversion apparatus, an image-forming assembly, a process cartridge and a process cartridge group. The voltage conversion apparatus is applied to a process cartridge. The process cartridge includes a first image-forming member and a second image-forming member. The voltage conversion apparatus includes a voltage conversion module, where an input terminal of the voltage conversion module is configured to be electrically connected to the first image-forming member, and an output terminal of the voltage conversion module is configured to be electrically connected to the second image-forming member; and the voltage conversion module is configured to convert a first voltage received by the first image-forming member into a second voltage. The first voltage is a voltage required for the first image-forming member to operate, and the second voltage is a voltage required for the second image-forming member to operate.

Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media that modify digital images via scene-based editing using image understanding facilitated by artificial intelligence. For instance, in one or more embodiments, the disclosed systems receive a digital image from a client device. The disclosed systems detect, utilizing a shadow detection neural network, an object portrayed in the digital image. The disclosed systems detect, utilizing the shadow detection neural network, a shadow portrayed in the digital image. The disclosed systems generate, utilizing the shadow detection neural network, an object-shadow pair prediction that associates the shadow with the object.