Abstract: A Wilkinson power combiner (202) is described that includes: at least one input port (210) coupled to at least one output port (212, 214, 216, 218) by at least two power combining stages. A first power combining stage (204) of the at least two power combining stages is configured as a single-stage first frequency pass circuit and a second power combining stage (206) of the at least two stages is configured as a single-stage second frequency pass circuit, and wherein the first frequency is different to the second frequency.

Abstract: A method of enhancing immune response in hosts, including vaccinating the hosts with a immunogenic composition, so as to enhance antibody immune response and/or cellular immune response to an immunogen. The immunogenic composition includes the immunogen and an adjuvant additive. The adjuvant additive includes a receptor associated protein (RAP) having an amino acid sequence of SEQ ID NO:1 and/or a pseudomonas exotoxin A (PE) protein.

Abstract: The invention belongs to the field of computer vision technology, and provides a fully automatic natural image matting method. For image matting of a single image, it is mainly composed of the extraction of high-level semantic features and low-level structural features, the filtering of pyramid features, the extraction of spatial structure information, and the late optimization of the discriminator network. The invention can generate accurate alpha matte without any auxiliary information, saving the time for scientific researchers to mark auxiliary information and the interaction time when users use it.

Abstract: A method of displaying a video picture in a large screen system, comprising: upon receipt of a drag operation on the video picture on a virtual screen, acquiring a first position of the dragged video picture on the virtual screen, coordinates on the virtual screen being in one-to-one correspondence to coordinates on a display screen of the large screen system, the large screen system comprising a plurality of control devices and a plurality of display units, each of the plurality of control devices controlling at least one display unit, the plurality of display units forming the display screen; when it is determined based on the first position that the dragged video picture needs to be displayed across at least two control devices, determining, based on the first position, a display position of the dragged video picture on the display unit controlled by each of the at least two control devices; and sending the display position of the dragged video picture on the display unit controlled by each of the at least

Abstract: Disclosed is a battery charging method, a device, and a readable storage medium. The battery charging method includes: acquiring the current actual capacity of a battery; and determining, according to the current actual capacity of the battery, a charging current of the battery at a constant-current charging stage. The method can obtain the current actual capacity of a battery by means of continuously measuring the capacity of the battery, and continuously adjust, according to the actual capacity, a charging current of the battery at a constant-current charging stage, thereby slowing down the aging and attenuation of the battery to the greatest extent and prolonging the service life of the battery.

Abstract: A laser projection module is provided. The laser projection module includes a substrate assembly, a lens barrel assembly, a light source, a diffractive optical element and a collimation element. The lens barrel assembly includes a lens barrel and a stop member connected to the lens barrel. The lens barrel is disposed on the substrate assembly and configured to define a receiving cavity together with the substrate assembly. The light source is disposed on the substrate assembly, accommodated in the receiving cavity, and configured to emit laser to the receiving cavity. The diffractive optical element and the collimation element are accommodated in the receiving cavity. The light source, the collimation element and the diffractive optical element are sequentially disposed in an optical path of the light source. The stop member is configured to prevent the diffractive optical element from moving in a light-emitting direction of the laser projection module.

Abstract: An electrochromic device includes: a first baseplate; a second baseplate opposite to the first baseplate; a first electrode layer provided on the first baseplate and arranged between the first baseplate and the second baseplate; a second electrode layer provided on the second baseplate and arranged between the first baseplate and the second baseplate; and a support, fixed on a first surface of the first baseplate provided with the first electrode layer or a first surface of the second baseplate provided with the second electrode layer.

Abstract: An electronic device and a display may be disclosed. The electronic device may include a display and a camera. The display may include a display face and a bottom face. The bottom face may be disposed opposite to the display face. The bottom face may be a curved face. The camera may be located at a side of the bottom face away from the display face. The camera may be configured to acquire optical signals through the display.

Abstract: An antenna control method for an electronic device is provided. The method includes: obtaining, in response to the electronic device radiating first antenna signals and second antenna signals simultaneously, a combination electromagnetic wave specific absorption rate (SAR) of at least one first antenna and at least one of a plurality of second antennas in an operating state; calling, in response to the combination electromagnetic wave SAR not meeting a predetermined condition, a target antenna combination including a first target antenna and a second target antenna; and controlling the first target antenna and the second target antenna to be in the operating state for radiating the first antenna signals and the second antenna signals simultaneously. An antenna control system and an electronic device are also provided.

Abstract: A radio frequency system, a method for controlling antenna switching, and related products are provided. The radio frequency system supports a simultaneous downlink reception with four antennas and includes m antennas, a radio frequency processing circuit, and a radio frequency transceiver coupled with the radio frequency processing circuit. The m antennas are divided into at least two antenna groups, where m is greater than or equal to 4 and less than or equal to 8. The radio frequency processing circuit is coupled with the at least two antenna groups and includes modules which are the same in number as the at least two antenna groups. Each module is coupled with one antenna group and is disposed adjacent to the antenna group with which the module is coupled. The modules include at least one transmitting module, or at least one transmitting module and at least one receiving module.

Abstract: A system, method and gateway are provided. The method is executed by a primary gateway, and includes obtaining status information from smart devices, a first portion of which belong to and communicate with the primary gateway using a first standard, and a second portion of which belong to and communicate with a secondary gateway using a second standard. The status information from the smart devices belonging to the secondary gateway is received from the secondary gateway, and the status information from the smart devices belonging to the primary gateway is received directly from the smart devices belonging to the primary gateway. A control instruction for controlling a second smart device is generated in response to status information from a first smart device complying with an interworking rule, where the first and second smart devices communicate using different standards. The control instruction is transmitted to the second smart device.

Abstract: A system for printing at least one stretchable ink on a thermoformable substrate including a first surface and a second surface opposite the first surface. The system includes an unwinder, a printing module and a rewinder. The unwinder is arranged to feed the thermoformable substrate from a first roll into a printing module. The printing module includes a flood coater arranged to deposit a coating layer on the first surface of the thermoformable substrate. The rewinder is arranged to receive the thermoformable substrate and to form the thermoformable substrate into a second roll.

Abstract: The present disclosure provides an electronic device, including a self-luminous display screen, including a plurality of visible light sources and at least one infrared light source; and a structured light assembly. The structured light assembly includes a structured light projector, configured to emit a laser pattern out of the self-luminous electronic device; and a structured light camera, configured to receive at least one of infrared light and the laser pattern reflected by a target object.

Abstract: A server receives an instant messaging message from a first user account to a second user account, the message includes a download address of a multimedia resource. In response to receiving the instant messaging message, in accordance with a determination that the instant messaging message includes a download address of a multimedia resource, and that the second user account is bound to a network attached storage (NAS) device: the server generates a download instruction in accordance with a command protocol of the NAS device bound to the second user account and sends the download instruction to the NAS device. The NAS device downloads the multimedia resource in accordance with the download instruction and a playing device plays the multimedia resource by accessing the NAS device.

Abstract: A wireless tracking device operating in at least two modes to reduce power consumption and extend the operable period of the wireless tracking device. In an active mode, the wireless tracking device samples sensor signals at a higher resolution and may also actively communicate with a remote device via wireless connection. In a hibernation mode, most of the components or modules in the wireless tracking device are shut down to reduce power consumption. The wireless tracking device may switch to the active mode when a predetermine event is detected.

Abstract: The disclosure provides a method for acquiring an image, a structured light assembly, and an electronic device. The method includes: controlling a structured light camera to receive structured light that is diffracted by a display area of a display screen when exiting, then reflected by a target object, and diffracted by the display area again when entering to acquire a speckle image; filtering out second measurement spots and third measurement spots from the speckle image to obtain first measurement spots; and obtaining a depth image according to the first measurement spots and reference spots in a reference image.

Abstract: A method of manufacturing an array substrate includes: forming a first semiconductor pattern and a first insulating layer group sequentially on a base substrate; forming a second semiconductor pattern and a second insulating layer group sequentially on the first insulating layer group; forming two first via holes in the first insulating layer group and the second insulating layer group to expose the first semiconductor pattern, annealing the exposed first semiconductor pattern and then removing an oxide layer on a surface of the first semiconductor pattern; forming connecting wires in the first via holes; forming second via holes in the second insulating layer group to expose the second semiconductor pattern, and forming a first source electrode and a first drain electrode in the second via holes such that the first source electrode or the first drain electrode covers and is connected to one of the connecting wires.

Abstract: The invention belongs to the field of computer vision technology, and provides a fully automatic natural image matting method. For image matting of a single image, it is mainly composed of the extraction of high-level semantic features and low-level structural features, the filtering of pyramid features, the extraction of spatial structure information, and the late optimization of the discriminator network. The invention can generate accurate alpha matte without any auxiliary information, saving the time for scientific researchers to mark auxiliary information and the interaction time when users use it.

Abstract: An electrochromic device includes: a first substrate and a second substrate provided opposite to each other; a first transparent conductive layer and a second conductive layer provided between the first substrate and the second substrate; an electrochromic layer provided between the first transparent conductive layer and the second conductive layer; a bottom printed layer provided on a surface of the second substrate away from the second conductive layer; and a pattern layer. An orthographic projection of the pattern layer on the first substrate covers at most a part of a surface of the first substrate, and a color of the electrochromic device varies as a voltage between the first transparent conductive layer and the second conductive layer changes.