Abstract: The present disclosure provides image acquisition methods, apparatuses, systems and electronic devices. One image acquisition method includes: acquiring an initial face image of a user by a first image acquisition apparatus; controlling a second image acquisition apparatus to acquire an eye print image of the user according to an acquisition parameter, the acquisition parameter being determined based on the initial face image; and synthesizing the initial face image and the eye print image into a target face image of the user.

Abstract: The present disclosure provides a thin film transistor, including: an active layer, a source and a drain electrically coupled with the active layer, and a plurality of doped layers located between the source and the active layer and between the drain and the active layer, a resistance of one of the plurality of doped layers farthest away from the active layer is smaller than that of any other doped layer. The disclosure further provides a gate driving circuit, a display substrate and a display device. With the present disclosure, current loss of a current passing through the doped layers of the thin film transistor is reduced, on-state current of the thin film transistor is improved and a situation that output signals of the thin film transistor are insufficient is avoided.

Abstract: The present disclosure provides a nitrogen-containing compound, an electronic element and an electronic device, which belongs to the technical field of organic materials. The nitrogen-containing compound has a structure of Chemical Formula 1, wherein R1 and R2 are each independently selected from hydrogen or a group represented by Chemical Formula 1-1, and one and only one of R1 and R2 has the group of Chemical Formula 1-1; when R1 or R2 is selected from hydrogen, said R1 and R2 may be replaced by R4. The nitrogen-containing compound can improve the performance of electronic elements.

Abstract: A system and method of non-orthogonal multiple access (NoMA) transmission using a configurable NoMA scheme is provided. A bit level processor, a modulation block, a phase and amplitude adjuster, and a symbol to resource element mapper collectively produce a NoMA signal for output or transmission. A NoMA scheme implemented by the system and method is configurable through one or more NoMA configuration inputs that configure one or more of the bit level processor, the modulation block, the phase and amplitude adjustment block and the symbol to resource element mapper. A multiple access (MA) signature produced by the apparatus once configured for the particular NoMA scheme is selectable through one or more MA signature inputs.

Abstract: The present disclosure relates to the technical field of optical imaging technologies, and provides a lens module. The lens module includes a lens barrel having a receiving space, and a lens received in the receiving space. The lens barrel includes a first barrel wall defining a light through hole, and a second barrel wall extending from an outer side of the first barrel wall while being bent towards an image side, the second barrel wall and the first barrel wall defining the receiving space. The lens includes a first area having a first processing precision, and the first area includes an optical portion for imaging and an engagement portion extending from a periphery of the optical portion. The engagement portion abuts against the first barrel wall.

Abstract: A multiview backlight and a multiview display employ a microstructured multibeam element to emit a plurality of directional light beams having principal angular directions corresponding to view directions of the multiview display. The multiview backlight includes a light guide and the microstructured multibeam element adjacent and external to a surface of the light guide. The microstructured multibeam element has an input aperture configured to receive a portion of guided light from the light guide and an output aperture configured to emit the plurality of directional light beams. The microstructured multibeam element comprises a microstructure having an interior surface configured to reflect the received guided light portion to provide the plurality of directional light beams at the output aperture. The multiview display includes the multiview backlight and an array of multiview pixels configured to provide different views of the multiview display.

Abstract: The present invention discloses a method for fault diagnosis of the sensors and actuators of an aero-engine based on LFT, and belongs to the field of fault diagnosis of aero-engines. The method comprises: establishing an aero-engine state space model using a combination of a small perturbation method and a linear fitting method; establishing an affine parameter-dependent linear-parameter-varying (LPV) model of the aero-engine based on the model; converting the LPV model of the aero-engine having perturbation signals and sensor and actuator fault signals into a linear fractional transformation (LFT) structure to obtain an synthesis framework of an LPV fault estimator; solving a set of linear matrix inequalities (LMIs) to obtain the solution conditions of the fault estimator; and designing the fault estimator in combination with the LFT structure to realize fault diagnosis of the sensors and actuators of an aero-engine.

Abstract: A video image processing method includes determining a current image block and, in response to a size of the current image block meeting a preset condition, determining a temporal candidate motion vector of the current image block according to at least one of a temporal motion vector prediction (TMVP) operation or an advanced/alternative temporal motion vector prediction (ATMVP) operation.

Abstract: Embodiments of the present disclosure provide a session activation method, a mobility management function entity, a session management function entity, a terminal, and a system. The method includes: obtaining, by a mobility management function entity, a protocol data unit (PDU) session activation request of a terminal, where the PDU session activation request includes an identifier of a PDU session and an identifier of the terminal, and the PDU session activation request is used to request activation of the PDU session; sending, by the mobility management function entity, the PDU session activation request to a session management function entity; and activating, by the session management function entity, the PDU session based on the PDU session activation request.

Abstract: The method includes the following steps: step 1. obtaining NUMA topology information of a host machine, and monitoring virtual machine performance events by using a kernel PMU; step 2. implementing a greedy algorithm, and a scheduling decision is obtained; step 3. scheduling, according to the scheduling decision, a virtual CPU (VCPU) and a memory of a virtual machine; step 4. after the scheduling of the virtual machine is complete, redirecting to step 1 to continue performing performance monitoring of the virtual machine.

Abstract: Embodiments described herein provide examples of a real-time visual object tracking system. In one aspect, an unmanned aerial vehicle (UAV) capable of performing real-time visual tracking of a moving object includes: a processor; a memory coupled to the processor; and a camera to capture a video of the moving object. This UAV additionally includes a visual tracking module to: receive a first video image and a first location of the object; receive a second video image following the first video image; place a first search window in the first video image and a second search window in the second video image centered on a second location in the second video image having the same coordinates as the first location; compute a correlation between an image patch within the first search window and an image patch within the second search window; and determine an updated location of the object in the second video image.

Abstract: A method for forming lithium metal oxides comprised of Ni, Mn and Co useful for making lithium ion batteries comprises providing precursor particulates of Ni and Co that are of a particular size that allows the formation of improved lithium metal oxides. The method allows the formation of lithium metal oxides having improved safety while retaining good capacity and rate capability. In particular, the method allows for the formation of lithium metal oxide where the primary particle surface Mn/Ni ratio is greater than the bulk Mn/Ni. Likewise the method allows the formation of lithium metal oxides with secondary particles having much higher densities allowing for higher cathode densities and battery capacities while retaining good capacity and rate performance.

Abstract: A data augmentation method, device are provided according to embodiments of the present application. The method includes: acquiring a point cloud of a frame, the point cloud comprising a plurality of original obstacles; obtaining a plurality of position voids by removing the original obstacles from the point cloud, and filling the position voids to obtain a real background of the point cloud; arranging a plurality of new obstacles labeled by labeling data, in the real background of the point cloud; and adjusting the new obstacles based on the labeling data of the new obstacles to obtain layout data of the new obstacles. The amount of real data is increased, and a diversity of the real data is improved.

Abstract: A microphone device includes a base and a microelectromechanical system (MEMS) transducer and an integrated circuit (IC) disposed on the base. The microphone device also includes a cover mounted on the base and covering the MEMS transducer and the IC. The MEMS transducer includes a diaphragm attached to a surface of the substrate and a back plate mounted on the substrate and in a spaced apart relationship with the diaphragm. The diaphragm is attached to the surface of the substrate along at least a portion of a periphery of the diaphragm. The diaphragm can include a silicon nitride insulating layer, and a conductive layer, that faces a conductive layer of the back plate. The MEMS transducer can include a peripheral support structure that is disposed between at least a portion of the diaphragm and the substrate. The diaphragm can include one or more pressure equalizing apertures.

Abstract: The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-generation (4G) communication system such as long term evolution (LTE). The embodiments of the disclosure provide a session setup method, including: receiving a message for creating a session management context; selecting a user plane functional entity (UPF) for redundant session processing in response to the message; and setting up a packet data unit (PDU) session corresponding to the UPF. There are further provided a session setup method for a base station and related devices. The above technical solutions can realize reliability of service transmission.

Abstract: An air conditioner and control method therefor to solve the problem that an existing air conditioner stops operation upon detection of an operation parameter abnormality situation, causing the user experience to be significantly influenced. For this reason, the air conditioner includes a compressor. The control method includes: obtaining an outdoor ambient temperature; determining a first preset time period according to the outdoor ambient temperature; obtaining operation parameters of the compressor after the first preset time period; and selectively stopping operation of the air conditioner according to the operation parameters of the compressor, so that the air conditioner can be automatically repaired within the first preset time period. If the air conditioner can be automatically repaired within the first preset time period, the air conditioner does not need to stop operation, so as to guarantee a continuous heat exchange capability of the air conditioner and not to cause an operation failure.

Abstract: The disclosure provides the use of a plant in the preparation of medicines and health products for preventing and treating ovarian injury. The application found that seabuckthorn fruit pulp and seabuckthorn seed oil have good preventive and therapeutic effects on ovarian injury. Seabuckthorn fruit pulp and seabuckthorn seed oil can prevent mouse ovarian injury and estrus cycle disorders, and can improve ovarian reserve, etc. Meanwhile, they also have good therapeutic effects on the above-mentioned injuries. This application provides a basis for the prevention and treatment of ovarian injury directly by seabuckthorn fruit pulp and seabuckthorn seed oil.

Abstract: A method by a user equipment (UE) includes receiving at least one time offset for scheduling non-terrestrial communications. The at least one first time offset is configured according to a numerology and/or a bandwidth part (BWP). The UE communicates in accordance with the time offset(s). The time offset may be a single time offset that applies across all numerologies or may be multiple time offsets, each specific to a particular numerology or bandwidth part (BWP). The time offset may be a single time offset scaled based on a current numerology configured for communications. The time offset may apply across different bandwidth parts (BWPs) or across multiple component carriers from which the UE is receiving downlink data.

Abstract: Methods and systems capable of launching signal-carrying transverse electromagnetic waves onto a transmission line in the higher voltage region of the transmission distribution network. Such methods and systems may include a surface wave launcher located in the higher voltage region, a network unit located in a lower voltage region, and an arrester separating the surface wave launcher and the network unit, the arrester preventing voltage from arcing over from the higher voltage region to the lower voltage region where the arrester provides the signal to the surface wave launcher.

Abstract: A testing circuit for multiple SMs of a cascaded converter and a control method thereof are provided. A current generator generates a testing current flowing into a testing module group. The testing module group includes two series-connected testing arms that each contains multiple SMs, or in an alternative way, the testing module group is composed of one or multiple testing units connected in series, and each testing unit includes two testing SMs connected in series reversely. The testing circuit the control method thereof realizes a mission profile emulation of the multiple SMs of the cascaded converter in both inverting and rectifying modes simultaneously to improve a test efficiency. A reverse series connection structure of the two testing SMs offsets a DC component in a capacitor voltage to reduce a power supply voltage required for a test. Dynamic and static control methods under different modulations for the test circuit are provided.