Abstract: An anti-cleavage mutant of CD16 for enhancing cell function is provided. Specifically, the CD16 mutant has an amino acid residue mutation at the following sites corresponding to a wild-type CD16: insertion of one or more proline between V196 and S197 sites and/or between S197 and T198 sites of CD16-F176V. The CD16 mutant of the present invention can resist the cleavage of ADAM17, and can enhance the ADCC capability of NK92 cell line expressing same.

Abstract: An apparatus for model management, applicable to a terminal equipment, includes: a first receiver configured to receive information on a configuration and/or a scenario transmitted by a network device; and managing processor circuitry configured to manage a model used by the terminal equipment according to the configuration and/or the scenario.

Abstract: Embodiments of this disclosure can provide a system and method for calibrating extrinsic parameters of roadside sensors for autonomous driving. During operation, a portable light-detection-and-ranging (lidar) unit can be brought to a sensor-installation site comprising one or more to-be-calibrated roadside sensors, and the portable lidar unit can scan outer surfaces of the to-be-calibrated roadside sensors from different angles to generate a stream of frames. The system can align, spatially, the stream of frames based on a local reference coordinate system, superimpose the aligned frames, and segment a point cloud associated with a to-be-calibrated roadside sensor. The system can determine extrinsic parameters of the to-be-calibrated roadside sensor with respect to the local reference coordinate system based on the segmented point cloud and convert the extrinsic parameters from the local reference coordinate system to a road-based coordinate system.

Abstract: A terminal includes: a receiver configured to receive a first signal at a time unit n, the first data signal including an activation or deactivation command for a secondary cell; and processor circuitry configured to control to apply corresponding action not earlier than a time unit n+k+1, the time unit n+k+1 referring to a time unit corresponding to transmission of a second signal, wherein the k is obtained through calculation by using a formula as below: k = k ? 1 + 3 ? N slot subframe , ? ; where, Nslotsubframe,? refers to the number of slots contained in each subframe when SCS (subcarrier slot spacing) configuration corresponding to transmission of an uplink control signal is ?, k?1 refers to the slot offset between the first signal and the second signal carrying the HARQ-ACK information corresponding to the first signal.

Abstract: The present disclosure provides eyeglasses including: an eyeglass rim; an eyeglass temple, the eyeglass temple comprising a control circuit or a battery; a rotating shaft, the rotating shaft being configured to connect the eyeglass rim and the eyeglass temple, so that the eyeglass rim and the eyeglass temple are relatively rotated around the rotating shaft, and the rotating shaft being disposed with a rotating shaft wiring channel along an axial direction; and a speaker, the speaker comprising an earphone core, the speaker being connected to the eyeglass temple, the control circuit or battery in the eyeglass temple driving the earphone core to vibrate through the connection wire, wherein the earphone core vibrates to generate a driving force to drive a housing panel of the speaker to vibrate, and a straight line of the driving force being not parallel to a normal line of the housing panel.

Abstract: Provided are a method and system for improving homomorphic encryption performance based on a trusted execution environment (TEE) which includes: acquiring a computing task; decomposing the computing task into a group of subtasks according to a computing function list in the computing task; decomposing the subtasks in turn according to a list of provided basic homomorphic encryption operators (LoHEO) to obtain a suboperation set; labeling a suboperation as a “linear operation” or a “nonlinear operation” according to whether the suboperation can be directly implemented using an element in the LoHEO; processing each suboperation in turn: for a suboperation labeled as the linear operation, determining a homomorphic computing scheme according to a suboperation task, acquiring and using encrypted computing data for homomorphic encryption computing; for a suboperation labeled as the nonlinear operation, completing plaintext computing in a TEE; and returning an encrypted computing result to a user side.

Abstract: An acoustic device is provided, including: a diaphragm; a housing configured to accommodate the diaphragm and form a first acoustic cavity and a second acoustic cavity corresponding to a front side and a rear side of the diaphragm. The diaphragm radiates sound into the first acoustic cavity and the second acoustic cavity, and the sound in the first acoustic cavity and the sound in the second acoustic cavity are guided out through a first acoustic hole coupled to the first acoustic cavity and a second acoustic hole coupled to the second acoustic cavity; a sound absorbing structure coupled to the second acoustic cavity and is configured to absorb the sound transmitted from the second acoustic cavity to the second acoustic hole in a target frequency range, the acoustic structure including a microperforated plate and a cavity, the microperforated plate including through holes.

Abstract: A method for imaging a body, implements a basic sequence that includes:—generating at least one echo signal of a sequence of RF pulses produced by an RF coil;—performing an echo measurement of the at least one echo signal by the RF coil; and—performing a background measurement by the RF coil representative of a background signal. The method includes the following steps: a) repeating the basic sequence as many times as necessary so as to form a Fourier image of the body and a Fourier image of the background from the background measurements; and b) processing the Fourier image of the body and of the background so as to obtain an image of the body in which a signature of the one or more background signals is reduced or even eliminated.

Abstract: A repeater, comprising: a receiver configured to receive indication information from a network device, wherein the indication information indicates a starting of a first time domain resource and/or a starting of a second time domain resource and/or a starting of a third time domain resource; and processor circuitry configured to not perform forwarding in the second time domain resource according to the indication information.

Abstract: An acoustic output device is provided. The acoustic output device includes a housing; a bone conduction vibrator configured to generate bone conduction sound waves and transmit the bone conduction sound waves to a cochlea through the housing to produce sound; an air conduction vibrator configured to generate air conduction sound waves, the air conduction sound waves being transmitted to an ear through sound guiding holes in the housing; and a processing module configured to provide the bone conduction vibrator and the air conduction vibrator with a first audio signal and a second audio signal, respectively, the first audio signal and the second audio signal having a frequency division point, the first audio signal and the second audio signal including components with frequencies above and below the frequency division point, respectively. The frequency division point is not less than 600 Hz.

Abstract: Embodiments can provide a data-collection system for collecting training data for autonomous driving applications. The system can include an on-vehicle light-detection—and—ranging (lidar) unit mounted on a data-collection vehicle, a roadside lidar unit, a frame-alignment subsystem, and a frame-superimposing subsystem. The on-vehicle lidar unit is to collect a first stream of frames while the data-collection vehicle is in motion. The roadside lidar unit is to collect, while remaining stationary, a second stream of frames. The frame-alignment subsystem is to align the second stream of frames collected by the roadside lidar to the first stream of frames collected by the on-vehicle lidar in time and spatial domains. The frame superimposing subsystem is to superimpose a frame from the second stream of frames onto a corresponding frame from the first stream of frames, thereby facilitating enhancement of point clouds of objects in the first stream of frames.

Abstract: Systems and methods are disclosed including a memory device and a processing device operatively coupled to the memory device. The processing device can perform operations comprising performing a media scan on a portion of the memory device to obtain a metrics dataset comprising a plurality of data state metric values; generating, for the metrics dataset, a plurality of data state metric bins comprising a first set of bins having a first bin width and a second set of bins having a second bin width; associating a first data state metric value of the plurality of data state metric values with a first bin of first set of bins, and a second data state metric value of the plurality of data state metric values with a second bin of the second set of bins; and generating a histogram reflecting the data associated with the plurality of data state metric bins.

Abstract: A method and a system for vehicle sideslip angle estimation based on event-triggered state estimation are provided. The method includes: setting an observation variable, and adopting a Kalman filtering algorithm for iteration aiming at estimation of a vehicle yaw rate; in the iteration, setting a parameter to 1, indicating that an event is triggered, when a calculation of the observation variable satisfies a predetermined condition, otherwise setting the parameter to 0, indicating that the event is not triggered; when the parameter is set and a GPS heading angle is updated, estimating a state variable according to a formula, and calculating a vehicle sideslip angle according to the vehicle yaw rate obtained by adopting the Kalman filtering algorithm; and when the parameter is 1 and the GPS heading angle is not updated yet, estimating the vehicle sideslip angle by fusing measurement data of both a GPS and an IMU.

Abstract: A speaker comprises a housing, a transducer residing inside the housing, and at least one sound guiding hole located on the housing. The transducer generates vibrations. The vibrations produce a sound wave inside the housing and cause a leaked sound wave spreading outside the housing from a portion of the housing. The at least one sound guiding hole guides the sound wave inside the housing through the at least one sound guiding hole to an outside of the housing. The guided sound wave interferes with the leaked sound wave in a target region. The interference at a specific frequency relates to a distance between the at least one sound guiding hole and the portion of the housing.

Abstract: Provided are an organic compound and use thereof. The organic compound has a structure shown in Formula I. Through molecular structure design, the organic compound is endowed with suitable HOMO and LUMO energy levels, which is conducive to matching energy levels of compounds in adjacent layers and achieving efficient exciton recombination. The organic compound has small overlap of HOMO/LUMO energy level, high singlet energy level ES, high triplet energy level ET and small energy level difference ?EST, which is conducive to reverse intersystem crossing and achieving higher luminescence efficiency. The organic compound molecule has high stability and low stacking degree, which is conducive to reducing concentration quenching and has excellent thermal and film stability. The organic compound is suitable as TADF materials, which is use for OLED devices, conducive to preparing OLED devices, can improve luminescence efficiency and stability of devices, reduce turn-on voltage and extend lifetime of devices.

Abstract: A high-throughput confidential computing method and system based on a RISC-V architecture are provided. The method includes: S1, acquiring a hardware device tree configuration file to classify each physical resource into a normal partition or a security partition; S2, loading a security manager; S3, mapping memory resources in the normal and security partitions to the normal and security domains, respectively; registering CPU resources in the normal and security partitions to the normal and security domains, respectively; and registering an interrupt handler function; S4, linking an image file of a security file system with a security kernel file to generate an operating system image of the security domain; S5, reading the operating system image, and loading the same to a memory address of the security domain; and S6, executing the initialization of the security domain according to an interrupt request from the normal domain.

Abstract: The present application discloses a method for fabricating a fiber optic image inverter with an ultra-short twister. The method includes: drawing a glass rod with a low refractive index and a high strain point temperature into a surrounding pipe fiber; drawing a glass rod with a high refractive index and a high transmittance into a filling glass fiber, and then drawing into a casing pipe absorption fiber; uniformly surrounding an outer side of a cladding glass pipe with the surrounding pipe fiber, and matching a core glass rod and the cladding glass pipe to be drawn into a mono fiber; and then performing fabrication of a multi fiber, fabrication of a multi-multi fiber, heat press fusion and twisting operation in sequence. The fiber optic image inverter with an ultra-short twister with a high resolution and a high contrast and clear imaging is obtained and applied in a low-light-level image intensifier.

Abstract: Disclosed in the present invention are an all-black crystalline silicon solar cell and a preparation method therefor, and a photovoltaic module. The preparation method comprises the following steps: (1) depositing a film layer on the front face of a silicon wafer by means of a PECVD method so as to obtain a silicon wafer having a coated front face, wherein the film layer is of a laminated structure and comprises an innermost SiNx layer having a thickness of 20 nm or more; (2) subjecting the resulting silicon wafer having the coated front face to back-face PECVD and laser beam grooving so as to obtain a coarse silicon solar cell; and (3) subjecting the resulting coarse silicon solar cell to silk-screen printing and electron injection to then obtain an all-black crystalline silicon solar cell.

Abstract: The present disclosure provides an acoustic output apparatus. The acoustic output apparatus may include a vibration assembly and a mass element. The vibration assembly may include a piezoelectric structure and a vibration element. The piezoelectric structure may be configured to convert an electrical signal into mechanical vibrations, and the vibration element may be connected to the piezoelectric structure at a first position of the piezoelectric structure and configured to receive the mechanical vibrations to generate an acoustic signal. The mass element may be connected to the piezoelectric structure at a second position of the piezoelectric structure.

Abstract: The present disclosure discloses the application of calcium aluminate in pre-mixed dental filling materials, the pre-mixed dental filling materials themselves, and their preparation methods. In the pre-mixed dental filling materials of the present disclosure, calcium aluminate is used as the primary hydraulic setting material, supplemented by calcium oxide as a curing accelerator and expansion agent, and may also include calcium pyrophosphate. The resulting material is a biologically hydraulic paste with excellent injectability. This material remains fluid under sealed conditions and hardens upon hydration when placed in a physiological environment and exposed to physiological fluids. The disclosure leverages the excellent biocompatibility and bioactivity of calcium aluminate to prepare pre-mixed aluminate hydraulic dental filling materials, which can be used for medical and dental applications, including pulp capping, root canal therapy, and hard tissue repair.