Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable mediums for a unified nonlinear precoding procedure. The method comprises generating sequences of OFDM symbols on subcarriers on a downlink channel from the network device to a terminal device; determining a processing matrix of the downlink channel at least partially based on characteristics of the downlink channel; obtaining reference values of parameters of a signal generation model; and iteratively performing the following for a number of times: adjusting, based on the sequences of OFDM symbols and the processing matrix, the reference values of the parameters of the signal generation model, the parameters being signals for transmitting via transmitting ports of the network device on the downlink channel to the terminal device; and updating the reference values of the parameters of the signal generation model by clipping the adjusted values of the parameters of the signal generation model.

Abstract: A hybrid powertrain and a vehicle are provided. The hybrid powertrain includes a first electrical machine, an engine, a main shaft, a clutch assembly, a second electrical machine, and a power battery. One end of the main shaft is connected to an output shaft of the engine, and another end of the main shaft is selectively connected to an electrical machine shaft of the first electrical machine through the clutch assembly. The first electrical machine is configured to selectively output power to a first wheel end through the clutch assembly. The second electrical machine includes a rotor and a stator, the rotor is configured to rotate relative to the stator, and the rotor is fixedly connected to the main shaft. The first electrical machine and the second electrical machine are connected to the power battery.

Abstract: A chip power supply circuit and an electronic device are provided. The chip power supply circuit includes: one or more chips each comprising a first power supply pin and a second power supply pin; a first voltage regulator circuit connected to the first power supply pin of a corresponding chip of the one or more chips; and a second voltage regulator circuit, where the first power supply pin of the corresponding chip of the one or more chips is connected to the second power supply pin of the corresponding chip via the second voltage regulator circuit, and the second voltage regulator circuit is configured to convert the first voltage into a second voltage. The first voltage regulator circuit and the second voltage regulator circuit are respectively located on different sides of at least one of the one or more chips.

Abstract: Provided are a chip, a series power supply circuit, a data processing device, and a computer server. The chip includes a plurality of units to be powered, the plurality of units to be powered are connected in parallel, and a voltage domain forms on each unit to be powered. Each unit to be powered is connected to a voltage regulation unit in series, and during power-on of the chip, the voltage regulation unit is regulated to control power-on time of the plurality of units to be powered.

Abstract: A rollable ball toy is provided, which includes a rollable ball shell, a driving component, and a support connector; the support connector can be deformed and fastened on two sides of a ball center of the rollable ball shell; the driving component is provided in the rollable ball shell. A driving device has only one driving output end, and the other end is provided with the shaft cavity configured to install manually operated components such as a control button and a charging dock, rendering the structure compact and reasonable, easy to operate, and improving waterproof and dustproof performance, while avoiding accidental contact and damage caused by collisions. The rollable ball has a quick detachable support connector. Most components are detachably connected and can be replaced with other parts, with strong interchangeability, long service life, and cost-effectiveness.

Abstract: A device to couple a vascular access device to a medical device may include a body, a spring, and a housing. The body may include a distal end, a proximal end, and a lumen extending through the distal end and the proximal end. The proximal end of the body may include a connector. The housing may be coupled to a proximal end of the spring and may enclose the connector. A distal end of the spring may be coupled to the body. The housing may include a flap, which may include an antimicrobial compound. When the housing is disposed in a proximal position, the flap may cover the connector, the antimicrobial compound may contact the connector, and the spring may be uncompressed. In response to movement of the housing from the proximal position to a distal position, the spring may be compressed and the flap may open.

Abstract: Embodiments of the present disclosure relate to a method, an apparatus and a computer readable storage medium of user selection for MU-MIMO communications. In example embodiments, a method is provided. The method comprises determining a set of candidate terminal devices; and iteratively performing the following at least once until an end condition is met: generating, based on respective channel estimations for the set of candidate terminal devices, a covariance matrix indicating interdependency among the set of candidate terminal devices; determining a minimum eigenvalue of the covariance matrix and an eigenvector corresponding to the minimum eigenvalue, the eigenvector indicating a set of measurements for interdependency among the set of candidate terminal devices; and updating the set of candidate terminal devices by removing, from the set of candidate terminal devices, a candidate terminal device associated with a maximum measurement in the set of measurements.

Abstract: The present invention relates to the field of antennas and introduces a switchable dual-band dual-polarized VICTS antenna system for satellite communication on-the-move. By adopting a layered structure, the present invention comprises a dual-band VICTS antenna subsystem, a dual-band dual-polarized polarization subsystem, an antenna radome, and a mechanical subsystem. The mechanical subsystem interfaces with the dual-band VICTS antenna subsystem and the dual-band dual-polarized polarization subsystem via motors and belts, enabling seamless integration and control. Further, the antenna system incorporates air gaps within the layer structure, with a supporting structure connecting to the mechanical subsystem through an adapter mechanism. By arranging the switchable dual-band dual-polarized VICTS antenna system in a layered manner, the present invention enhances both gain and bandwidth while enabling precise control over its operation.

Abstract: An easily assembled and disassembled lampshade includes a cover body, a bulb holder and a fixing seat. The bulb holder and the fixing seat are in threaded connection. The fixing seat is provided with buckles, and the cover body is provided with snap-fit holes for insertion of the buckles.

Abstract: According to embodiments of the present disclosure, downlink beamforming in MU-MIMO systems is proposed. Embodiments of the present disclosure take practical receivers into consideration, to further mitigate the interferences sensed by terminal devices. The beamforming scheme according to embodiments of the present disclosure has many advantages. For example, embodiments of the present disclosure tackle interferences from terminal device view, to mitigate the interferences which really affect the received signals of terminal devices. Embodiments of the present disclosure do not assume that terminal devices utilize Eigen receivers but consider more practical receivers used by the terminal devices to mitigate the interferences. Embodiments of the present disclosure have high flexibility, different interference cancelling methods can be used to replace the ZF method.

Abstract: This application provides a vehicle DC voltage conversion circuit, including a high voltage battery connected in sequence, a primary-side-bridge module, a resonant module, a transformer module and a secondary-side-output module, wherein the secondary-side-output module includes a first voltage unit outputting a first voltage and a second voltage unit outputting a second voltage. The secondary side winding of the transformer is connected with the first voltage unit and the second voltage unit; The circuit also includes a driver module connected with the original side bridge module. The vehicle DC voltage conversion circuit provided in this application can not only output the first voltage, but also output the second voltage at the same time. It has the advantages of small size, high efficiency, low cost and industrialization, and can be widely used in the vehicle 48V electrical load, such as 48V vehicle electric heating system, 48V vehicle cooling fan, and so on.

Abstract: Described herein are compositions and methods for the prevention or treatment of osteoarthritis by administrating a therapeutically effective amount of at least one SHP2 antagonistic agent to the subject. The SHP2 antagonistic agent can be a SHP2 inhibitor, a PROTAC degrader of SHP2 proteins, and/or a SHP2 RNA interference or a small interfering RNA, or a combination thereof.

Abstract: A polypeptide comprising two or three VEGF binding domains; and a domain that binds to an angiopoietin, and a gene therapy for delivering such a polypeptide.

Abstract: A method of predicting sequence for a manufacturing process to assemble a product includes obtaining a target plan for the manufacturing process. The target plan defines a process segment to be performed during the manufacturing process. The method includes retrieving a plurality of surrogate process segments based on the target plan, determining, for each surrogate process segment from the plurality of surrogate process segments, a segment similarity value based on at least one of a textual similarity and a sequence similarity between the surrogate process segment and the process segment of the target plan, and generating a target process defining a process sequence for performing the manufacturing process based on the segment similarity values of the plurality of surrogate process segments and a sequence inference model.

Abstract: A multi-active region cascaded Bragg reflection waveguide edge-emitting diode laser, including a substrate, a buffer layer, an N-type cladding layer, an N-type waveguide layer, a cascaded multi-active region, a P-type waveguide layer, a P-type cladding layer and a capping layer arranged sequentially from bottom to top. The waveguide layer adopts a Bragg reflection waveguide structure formed by periodic arrangement of high and low refractive index layers. The cascaded multi-active region includes multiple active regions, tunnel junctions and a confinement layer. A fundamental mode near field of the laser is formed by periodic oscillating peaks, with an envelope close to Gaussian distribution. There are large-swing oscillation peaks near the cascaded multi-active region. The active regions are located at peaks of the fundamental mode near field, and tunnel junctions are inserted at troughs with low light intensity.