Abstract: Provided are a map data processing method and apparatus, and a storage medium, which relate to the field of data processing technology and, in particular, to artificial intelligence technology, for example, computer vision, map technology, and intelligent transportation. A specific implementation solution includes: processing landform coverage data according to a type of surface species coverage and a data processing rule associated with the type of surface species coverage to obtain a surface species coverage effect map; and generating a landform map according to the surface species coverage effect map and a reference map.

Abstract: Methods, systems, and devices for the dynamic selection of cores for processing responses are described. A memory sub-system can receive, from a host system, a read command to retrieve data. The memory sub-system can include a first core and a second core. The first core can process the read command based on receiving the read command. The first core can identify the second core for processing a read response associated with the read command. The first core can issue an internal command to retrieve the data from a memory device of the memory sub-system. The internal command can include an indication of the second core selected to process the read response.

Abstract: A display control method, for a terminal externally provided with a display assembly, includes: obtaining a target image including a current display frame of the terminal; determining a display region in the target image, in which the display region has a mapping relationship with a display unit included in the display assembly; determining color display data of the display region; and sending the color display data to the display assembly, to make the display unit corresponding to the display region display a color corresponding to the color display data.

Abstract: Systems, methods, and devices for generating tunable low frequency signals, such as microwave and radiofrequency signals are disclosed. A first waveguide in optical communication with a first ring resonator can be configured to receive a light input and generate frequencies via optical parametric oscillation. A second waveguide with second ring resonator can receive the frequencies and optically synchronize the frequencies via optical frequency division to generate a low frequency signal. One or more heating elements can be connected to each ring resonator to tune the resonators and reduce noise associated with the low frequency signal.

Abstract: This application discloses a data processing method performed by a computer device. Obtained service data is inputted into a pre-trained model and an initial service model to obtain first fully-connected layer outputs of the pre-trained model and second fully-connected layer outputs of the initial service model. The pre-trained model and the initial service model construct modeling units with different granularities, first modeling units of the pre-trained model are matched with second modeling units of the initial service model, fully-connected layer outputs of the second modeling units have the same sequence length as fully-connected layer outputs of matched target first modeling units so that with the assistance of the pre-trained model, the target service model can be obtained through the initial service model, the knowledge distillation of the models including modeling units with different granularities is realized, thereby effectively improving the service performance of the service model.

Abstract: An example apparatus for mining multi-scale hard examples includes a convolutional neural network to receive a mini-batch of sample candidates and generate basic feature maps. The apparatus also includes a feature extractor and combiner to generate concatenated feature maps based on the basic feature maps and extract the concatenated feature maps for each of a plurality of received candidate boxes. The apparatus further includes a sample scorer and miner to score the candidate samples with multi-task loss scores and select candidate samples with multi-task loss scores exceeding a threshold score.

Abstract: A data transmission method and apparatus, and a communication device and a readable storage medium are provided, and belong to the field of communication technology. The data transmission method includes: a first functional entity obtains an IP flow, and maps the IP flow to a corresponding AS bearer based on Quality of Service (Qos) characteristics of the IP flow, to transmit the IP flow to a second functional entity. The first functional entity is a user plane functional entity in layer 3 of an Access Stratum (AS) of the sending end; the second functional entity is a functional entity in layer 2 of the AS; the AS bearer is a data packet bearer characterized by QoS.

Abstract: A wireless charging method, and an electronic device, are provides. The wireless charging method is performed by a wireless charging apparatus. The wireless charging apparatus includes a monopulse antenna array. The method includes: controlling, in a preset tracking period, the monopulse antenna array to transmit a sum beam and a difference beam to a to-be-charged device, and receiving an echo signal reflected from the to-be-charged device. The preset tracking period is a period that the monopulse antenna array transmits the sum beam and the difference beam. The method further includes tracking a position of the to-be-charged device based on the echo signal. The method also includes controlling, based on position information of the to-be-charged device, the monopulse antenna array to wirelessly charge the to-be-charged device.

Abstract: A system uses a machine learning model trained using multitask learning for processing audio signals of different types. The system may be used in a device such as a headset, smart glasses, or a smart watch, and may be used to make predictions based on different types of audio signals, for example, for classifying acoustic events based on audio signal or for keyword spotting to detect wake words. The use of a single machine learning model for analyzing different types of audio signals improves storage efficiency as well as energy efficiency of devices compared to systems that use a different machine learning model for processing each type of audio signal.

Abstract: The present invention provides a buckling-restrained brace out-of-plane stability design method considering a bidirectional seismic action.

Abstract: Decoupled optical force nanoscopy allows for measurements of optical forces with nanoscale spatial and temporal resolution. A sample is illuminated with temporally modulated laser light. Optical force data are measured by scanning a cantilever (e.g., of a scanning probe microscope) over the sample to measure optical forces generated by illuminating the sample with the temporally modulated laser light. The optical force data are analyzed in the frequency domain to separate the optical force data into different components, such as photothermal force components, optical gradient force components, photoacoustic force components, and the like.

Abstract: Embodiments of the present application relate to functionalized N-acetylgalactosamine analogs, methods of making, and uses of the same. In particular, polyvalent N-acetylgalactosamine analogs may be prepared by utilizing a wide variety of linkers containing functional groups. These functionalized N-acetylgalactosamine analogs may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.

Abstract: A compound midazolam-D3 and its preparation method as it's synthesized from 7-chloro-5-(2-fluorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one (Compound II), by ring closure reaction with ethyl isocyanoacetate, hydrolysis with base, ring-opening with acid, ring closure under high temperature, and reacted with trideuteromethyl reagent; the synthetic route has advantage of short synthetic route appropriate, accessible and affordable. The prepared midazolam-D3 has characteristic with high purity, high deuterium content and very good stability.

Abstract: Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly and a light combination mirror assembly. The laser assembly includes at least a laser, a light emitting surface of the laser has a plurality of light emitting regions, and beams emitted from different ones of the plurality of light emitting regions are in different colors. The light combination mirror assembly includes a plurality of mirrors that are sequentially arranged along an optical transmission path of the laser, with each of the mirrors corresponding to one of the light emitting regions. The light combination mirror assembly is used to converge the beams in different colors emitted from the laser to form a white beam.

Abstract: This invention discloses an electronic device, including a first housing; a second housing, where the second housing is slidably connected to the first housing; a first elastic piece, where a first end of the first elastic piece is connected to the second housing; a flexible display screen, where a first end of the flexible display screen is connected to a second end of the first elastic piece, a second end of the flexible display screen is connected to the first housing, and the first housing can drive the second end of the flexible display screen to move; a rotating shaft, where the rotating shaft is rotatably disposed in the second housing, the flexible display screen is in rolling contact with the rotating shaft, and the first housing can drive the flexible display screen to move around the rotating shaft.

Abstract: A method of electroplating a stress-free copper film on a substrate includes: providing the substrate; providing an electroplating bath that includes a copper salt, an acid, a leveler, a chlorine compound, an accelerator, a suppressor; and water; heating the electroplating bath to 25 to 60° C.; and electroplating the substrate in the electroplating bath to form the stress-free copper film while maintaining the electroplating bath at 25 to 60° C. The leveler is an organic compound containing an amine group. The method further includes annealing the stress-free copper film at 60-260° C. for 0.5 to 2 hours, or at 60-120° C. for 0.5 to 2 hours. A stress-free electroplated copper film is also disclosed.

Abstract: Embodiments of the present disclosure relate to lipid-PEGylated solid support and phosphoramidites derivatives, methods for preparing the same, and their uses in the delivery of oligonucleotide drugs to the cellular targets.

Abstract: Methods, apparatus, and systems are provided for calibrating an optical flow (OF) sensor by using an inertial measurement unit (IMU) measurements in a planar robot system.