Abstract: The present invention belongs to the field of pharmaceuticals, and particularly relates to a tricyclic compound, a method for preparing same, and use thereof. In particular, the present invention relates to a compound represented by formula (I) or a pharmaceutically acceptable salt, ester, stereoisomer, tautomer, polymorph, solvate, N-oxide, isotope-labeled compound, metabolite or prodrug thereof, a method for preparing same, a pharmaceutical composition comprising same, and uses thereof.

Abstract: This application relates to the field of communication technologies, and provides a method and an apparatus for waking up a communication link. The method includes: a first device monitors a first part of wake-up information through a first link; when the first device receives the first part of the wake-up information and the first part includes an identifier of the first device or a group identifier of the first device, the first device monitors a second part of the wake-up information; and the first device wakes up a second link when the first device receives the second part, where power consumption of the second link is greater than power consumption of the first link. According to the method, power consumption of a wake-up link of a receive device can be reduced.

Abstract: A power supply (2000), a method of operating a power supply, a computer program (1020) and a computer program product (1010) is provided. The power supply is adapted to convert an oscillating Alternating Current, AC, to a single-directional Direct Current, DC. The power supply comprises a rectifier bridge (2100); a capacitor (2700); at least a first, a second and a third Electronic Switching Device, BSD (2400, 2500, 2600); a resistor (2300); a controller (2800) connected to the first, second and third ESDs. The controller is adapted to control switching of the first, second and third ESDs to operate the power supply in one of four modes of operation.

Abstract: Disclosed in the present invention are a five-membered ring-fused six-membered ring compound, a preparation method therefor, and a pharmaceutical composition and the use thereof. Provided in the present invention is a compound as represented by formula (I), or a pharmaceutically acceptable salt or an isotope compound thereof. The compound of the present invention has an inhibition and/or degradation effect on IRAK4.

Abstract: The Micro-LED chip includes an LED chip structure and a first metasurface conductive structure layer. The first metasurface conductive structure layer includes: a first conductive layer electrically bound to the light emergence face of the LED chip structure; and a metasurface structure which is configured to be stacked and/or integrated with the first conductive layer; wherein the metasurface structure is at least used for regulating the emergence angle or wavelength of light ejected from the light emergence face. Based on the technical solution of the present application, the full colorization of the Micro-LED chip can be realized, the light extraction rate and collimation can be increased, and large-scale standard semiconductor processes can be adopted to realize the preparation of the Micro-LED chip and the integration of Micro-LED pixels and display units, thereby improving the production efficiency and yield rate of the Micro-LED chip and reducing the cost.

Abstract: Disclosed in the present invention are a five-membered ring-fused six-membered ring compound, a preparation method therefor, and a pharmaceutical composition and the use thereof. Provided in the present invention is a compound as represented by formula (I), or a pharmaceutically acceptable salt or an isotope compound thereof. The compound of the present invention has an inhibition and/or degradation effect on IRAK4.

Abstract: Systems and methods for removing lithium from a lithium-containing solution producing a lithium-enriched stream. The system includes a first electrochemical membrane reactor including one or more working electrodes, one or more counter electrodes, one or more ion exchange membranes, one or more optional bipolar membranes, and a power source configured to apply a voltage to the first electrochemical membrane reactor. A second electrochemical membrane reactor is configured to remove lithium from the lithium enriched stream. The first electrochemical membrane reactor may be coupled to the second electrochemical membrane reactor. The second electrochemical membrane reactor includes one or more working electrodes, one or more counter electrodes, one or more ion exchange membranes, and a power source configured to apply a voltage to the second electrochemical membrane reactor.

Abstract: A beat frequency signal processing method includes determining a two-dimensional (2D) time frequency spectrogram of a beat frequency signal based on a sampled sequence of the beat frequency signal, where the 2D time frequency spectrogram indicates a relationship between a frequency and a time of the beat frequency signal; performing matching between the 2D time frequency spectrogram of the beat frequency signal and a plurality of theoretical 2D time frequency spectrograms to determine, as a target 2D time frequency spectrogram, a theoretical 2D time frequency spectrogram whose matching degree is greater than or equal to a preset threshold. The plurality of theoretical 2D time frequency spectrograms are 2D time frequency spectrograms of the beat frequency signal, under combinations of a plurality of flight times and a plurality of Doppler frequency offsets, that are calculated based on a frequency sweep curve of the frequency modulated signal.

Abstract: A digital signal modulation method for a photon artificial intelligence computing chip, including: modulating one or more groups of digital electrical signals into optical signals; where the group of digital electrical signals comprises several timing signals being outputted in sequence in a channel within a fixed period; where each timing signal has the same base clock and signal time length; where each timing signal conveying N-bit digital information has 2N?1 base clocks, the number of the base clocks of a high-level signal or the number of a digital signal “1” in the timing signal is a signal value of the timing signal, and the signal value is equal to a value of the N-bit digital information being transmitted; and where the timing signal is a modulating signal for converting the electrical signal to the optical signal.

Abstract: This invention provides a foot reflex zones identification method, device, rehabilitation robot, and storage medium. The method comprises the following steps: inputting a foot image into a multi-task deep learning network model, and obtaining foot part reflex zones and foot organ reflex zones; the foot part reflex zones include a head reflex zone, a neck reflex zone, a shoulder-back reflex zone, a chest reflex zone, an abdominal reflex zone, and a genital reflex zone; judging whether the foot organ reflex zones and the foot part reflex zones satisfy a theoretical position relationship, if the relationship is satisfied, determining the foot organ reflex zones as target foot organ reflex zones; wherein, the theoretical position relationship is that the foot organ reflex zones are sub-regions of each of the foot part reflex zones. This invention improves the accuracy of the identified target foot organ reflex zones.

Abstract: Embodiments of this application disclose a communication processing method. The method includes: a baseband processing unit (BBU) receives an uplink measurement signal sent by a first terminal device. The BBU generates an air interface measurement report based on the uplink measurement signal, where the air interface measurement report includes an air interface channel quality value between the first terminal device and at least one pico remote radio unit (pRRU) in a cell in which the first terminal device is located. The BBU selects a target pRRU from the at least one pRRU based on the air interface measurement report, where a quantity of target pRRUs is less than a quantity of the at least one pRRU. The target pRRU is configured to send a downlink signal of the first terminal device to the first terminal device.

Abstract: An electrode structure includes a substrate and a silver nanowire electrode disposed on the substrate. The electrode structure can be changed from an expanded state to a bent state with a bending radius of about 2-4 mm. The electrode structure includes a bending region and a first non-bending region and a second non-bending region respectively adjacent to the bending region in the bent state. The silver nanowire electrode has a change rate of a resistance value between the bent state and the expanded state of less than 10% in an electrode section of the bending region.

Abstract: The disclosure provides an eye tracking apparatus and a virtual reality apparatus. The eye tracking apparatus includes a display screen, a display lens, and an eye tracking camera, the display screen and the display lens being oppositely disposed, and a displaying surface of the display screen facing the display lens; wherein the eye tracking camera is disposed adjacent to an edge of the display screen, a view-finding side of the eye tracking camera faces the display lens, an included angle between an optical axis of the eye tracking camera and an optical axis of the display lens ranges from 8.5° to 9.5°, and the eye tracking camera receives light passing through the display lens.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may generate a Layer 1 measurement report identifying one or more measurements by corresponding measurement indices, refrain from including a measurement value in the Layer 1 measurement report for at least one measurement, and transmit the Layer 1 measurement report. Numerous other aspects are provided.

Abstract: Systems and methods for generating virtual characters for video conferencing with feature enhancement are provided. In an example, a computing device access a source human face model, a target human face model, and a source virtual character face model. The device further accesses a first virtual feature triangle marked on the source human face model and a second virtual feature triangle marked on the source virtual character face model. The second virtual feature triangle corresponds to the first virtual feature triangle. The device deforms the source virtual character face model based on the source human face model and the target human face model to generate a target virtual character face model. The deforming includes minimizing a loss function comprising a term defined based on a difference between the second virtual feature triangle and the first virtual feature triangle. The device renders the target virtual character face model.

Abstract: Systems and methods for generating virtual characters for video conferencing via a two-stage process are provided. In an example, a computing device accesses a source human face model, a target human face model, and a source virtual character face model. The computing device deforms the source virtual character face model based on the source human face model and the target human face model to generate a target virtual character face model. The source virtual character face model includes a face region and a non-face region. Deforming the source virtual character face model includes deforming the face region by fixing the non-face region and deforming the non-face region by fixing the deformed face region. The computing device renders the target virtual character face model.

Abstract: An air valve includes a valve seat including a first hollow tube member defining a first air passage, a valve element including a first opening and a second hollow tube member defining a second air passage, and being at least partially arranged in the first hollow tube member, a valve cap at least partially arranged in the second hollow tube member and connected to the valve element by a first connecting strap, the valve cap including a first hand-held portion extending outwards along an edge of the valve cap, a valve diaphragm arranged in the second hollow tube member that opens and closes the second air passage, and a fixing ring including an annular part and a second hand-held portion extending outwards along the annular part, the annular part being arranged on the first hollow tube member and being connected to the valve element a second connecting strap.

Abstract: Embodiments of this application provide a communication method, a communication apparatus, and a communication system.

Abstract: The present application relates to a low-voltage lithium battery, including a circuit assembly, a middle plastic frame, a wound battery core assembly, a metal housing and an insulating sheath, wherein the circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the negative copper ring is electrically connected with the metal housing, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, a positive tab of the wound battery core assembly is electrically connected with the inner conductive cap, and a negative tab is electrically connected with the metal housing.

Abstract: A device management device and method, the method including receiving, by the first device, a network exception packet from a network edge device, where the network exception packet indicates that a network status of the first network is abnormal, the first device and a second device perform transmission of a service packet via the first network, and the first network comprises the network edge device connected to the first device, and switching, by the first device, in response to receiving the network exception packet, to transmitting a backup packet to the second device via a second network, where the second network is a transmission network whose network status is normal between the first device and the second device, and the backup packet comprises a backup packet corresponding to a service packet transmitted in the first network when the first network is abnormal.