Abstract: A pyrazolo fused ring compound and the use thereof. Specifically disclosed are a compound represented by formula (IV) and a pharmaceutically acceptable salt thereof.

Abstract: The present disclosure discloses a method and a device for controlling a cleaning robot, a cleaning robot, and a storage medium. The method include: acquiring an edge cleaning trajectory of the cleaning robot marked on a grid map; determining a central area grid associated with the cleaning robot in real time; and controlling the cleaning robot to exit an edge cleaning state in response to determining a repeated section of edge cleaning of the cleaning robot based on the edge cleaning trajectory and the central area grid. Compared to the related art, the present disclosure enables the cleaning robot to exit the edge cleaning state in time, avoiding repeated edge cleaning and improving the cleaning efficiency.

Abstract: There is provided a gate driving circuit, a display panel and a driving method of the gate driving circuit. The gate driving circuit includes multiple stages of shift registers. The multiple stages of shift registers comprise N first shift registers arranged alternately with N second shift registers. The N first shift registers are cascaded-coupled as N stages of first shift registers, and are configured to generate N first output signals under control of K first clock signals. The N second shift registers are cascaded-coupled as N stages of second shift registers, and are configured to generate N second output signals under a control of K second clock signals. K and N are both integers greater than 1, and K?N.

Abstract: Disclosed is a vibration-reducing and noise-absorbing pipeline assembly with metamaterial characteristics. The assembly comprises a connecting component, a dispersion pipeline, and a flow pipeline, wherein the inner diameter of the dispersion pipeline gradually changes from small to large, and the dispersion pipeline comprises a small port and a large port. The dispersion pipeline further comprises a hose, which communicates with the interior of the flow pipeline. Fluid flows in the pipeline assembly from the connecting component to the dispersion pipeline, via a deflection portion and a guide portion, wherein with reference to a flow direction of the fluid, the deflection portion is located upstream of the guide portion, and the deflection portion is configured for changing the flow direction of the fluid, thus minimizing vibration of the pipeline assembly and damping resonance frequencies.

Abstract: Methods, apparatus and system for wireless communication are described. One method of wireless communication is provided. The method comprises: receiving, by a user device from a network device, configuration information that configures a positioning reference signal; performing a measurement on the positioning reference signal; and reporting a measurement result of the measurement.

Abstract: Provided are a method, system and device for classifying feeding intensity of fish school, relating to the field of aquaculture. The method includes: extracting features of an audio clip to be detected to determine a Mel spectrum-based fish school feeding depth speech spectrum feature vector, a CQT-based fish school feeding depth speech spectrum feature vector, and an STFT-based fish school feeding depth speech spectrum feature vector; fusing the Mel spectrum-based fish school feeding depth speech spectrum feature vector, the CQT-based fish school feeding depth speech spectrum feature vector and the STFT-based fish school feeding depth speech spectrum feature vector to generate a fused feature spectrogram; and inputting the fused feature spectrogram into a deep convolutional neural network model constructed by historical audio clips corresponding to different types of feeding intensities to determine a feeding intensity type corresponding to the audio clip to be detected.

Abstract: A high-coercivity Nd—Fe—B sintered magnet and a preparation method and use thereof are provided. The sintered magnet contains the following components in percentage by a mass: 100%: 26-37 wt % of R, R being at least one rare earth element including Nd; 0.07-0.23 wt % of Mn; 0.8-1 wt % of B; 0.5-4 wt % of M, M comprising Cu and/or Al, and at least one selected from Co, Ti, Ni, Zr and Ga; and the remaining being Fe. A Mn-containing auxiliary alloy powder is mixed with a Mn-free neodymium-iron-boron main alloy powder to prepare the Nd—Fe—B sintered magnet. The Mn-containing auxiliary alloy powder, also contains at least one of metals Cu and Al. Mn can replace a part of Fe in the main phase, so that the amount of solid solution of beneficial elements in grain boundaries in the main phase is reduced, and the coercivity is improved.

Abstract: Provided are a harmonic control-based class-J distributed power amplifier and an optimization method thereof. The object of the present disclosure aims to solve the problems of low output power, low efficiency and low gain of distributed amplifiers resulting from non-uniform drive states of transistors at different positions and the like in the distributed amplifiers. The harmonic control-based distributed power amplifier includes an input artificial uniform transmission line, an output artificial non-uniform transmission line, and plural gain units. Two ports of the output artificial non-uniform transmission line are respectively connected with reactive terminals, and in each gain unit, a gate electrode of a transistor is connected with an RC parallel resonant circuit. In the present disclosure, based on load pull method and harmonic control technology, a purely reactive terminal network is added in the NDA terminal open-circuit structure.

Abstract: This patent application discloses methods, apparatus, and systems that relate to positioning for low power consumption user equipment. In one example aspect, a method for wireless communication includes receiving, by a wireless device from a network node, configuration information; and transmitting, by a wireless device, a report comprising at least one parameter.

Abstract: Methods, devices, and systems for using carrier phase-based positioning to improve existing positioning techniques (e.g., time-difference-of-arrival, angle-of-arrival, angle-of-departure, multiple round-trip time, etc.) in wireless communication systems are described. An example method for wireless communication includes receiving, by a wireless device from a network node, a position reference signal, measuring one or more parameters of the position reference signal, and transmitting a report comprising the one or more parameters. Another example method for wireless communication includes transmitting, by a network node to a wireless device, a position reference signal, and receiving, from the wireless device, a report comprising one or more parameters of the position reference signal.

Abstract: There is provided a gate driving circuit comprising N first shift registers arranged alternately with N second shift registers. An input signal terminal of an n-th stage of first shift register is coupled to an output signal terminal of an (n?i)-th stage of first shift register, and a reset signal terminal of the n-th stage of first shift register is coupled to an output signal terminal of an (n+j)-th stage of first shift register. Input signal terminal and reset signal terminal of n-th stage of second shift register are coupled to output signal terminals of (n?i)-th and (n+j)-th stages of second shift registers respectively. K=6, i=3, and j=4. Reset signal terminals of (N?j+1)-th to N-th stages of first shift registers and reset signal terminals of (N?j+1)-th to N-th stages of second shift registers are configured to receive a total reset signal.

Abstract: Techniques are described to for carrier phase measurements for wireless communication. An example wireless communication method includes receiving, by a wireless device from a network device, configuration information of a reference signal; performing, by the wireless device, a carrier phase measurement of a carrier that includes the reference signal; and sending, by wireless device, a measurement report comprising a result of the carrier phase measurement of the carrier that includes the reference signal.

Abstract: A connecting member, an ALC batten mounting node structure, and a prefabricated mounting method are provided. The connecting member includes a connecting part, a first pipe clamp, and a second pipe clamp. The connecting part includes a first connecting segment and a second connecting segment, the first pipe clamp and the second pipe clamp are respectively perpendicular to the first connecting segment, and symmetrically arranged on opposite sides of the first connecting segment, and the second connecting segment is bent towards one side of the first connecting segment.

Abstract: The disclosure provides a sensor fault diagnosis method, an apparatus, an electronic device and a storage medium. The method comprises: determining target concentration of electrolyte in a sensor at time t; determining residual concentration based on initial concentration and the target concentration of the electrolyte; acquiring an impedance value and determining a concentration measurement value based on the impedance value and correlation information between concentration and the impedance; determining fault information of the sensor based on the residual concentration and the concentration measurement value.

Abstract: The disclosure provides a method, an electronic device, and a storage medium for training a federated learning model. According to the method, the electronic device, and the storage medium for training a federated learning model provided in the disclosure, after each of participant devices obtains gradient information of the participant device by performing joint encryption training with a rest of the participant devices, the participant device performs joint training with the rest of the participant devices based on a model parameter variation and a gradient information variation, to obtain a corresponding gradient search direction; then a target participant device of the participant device calculates step information based on the gradient search direction and a model loss function; finally, each of the participant devices updates a model parameter of the participant device based on the gradient search direction and the step information.

Abstract: Provided are a display apparatus and a method for driving display apparatus. The display apparatus includes a display substrate; the display substrate includes: gate drive circuit, connected with gate lines disposed in the display area; a plurality of clock signal lines; and a bonding pad; a first circuit board; and a second circuit board; the first circuit board and the second circuit board are independent of each other; the first circuit board is disposed at a side, facing away from the display area, of the second circuit board; the first circuit board and the second circuit board are electrically connected with the bonding pad; the first circuit board is electrically connected with the gate drive circuit via the plurality of clock signal lines; and in an extension direction of the gate line, a width of the first circuit board is smaller than a width of the second circuit board.

Abstract: A method, apparatus, terminal device and storage medium for processing information is provided. The method comprises: in response to inputting first information of a target object on a relevant page of the target object, creating a communication group associated with the target object; sending, to the communication group, a first notification message obtained based on the first information. The associated communication group of the target object is created after the first information of the target object is input, a user may create the communication group without creating a page in a group and associate the communication group with the target object, so it is unnecessary for the user to perform the steps of creating the communication group and sending the first information only if the target object is input, thereby reducing the user's operations.

Abstract: Provided in the present disclosure are an information processing method and apparatus, and a terminal and a storage medium. In some embodiments, the information processing method provided in the present disclosure comprises: in response to inputting first information of a target object into a related page of the target object, sending the first information to a data system, so as to update association information of the target object in the data system; and determining a communication group associated with the target object, and sending a first notification message to the communication group associated with the target object, wherein the first notification message comprises the first information. By means of the method provided in the present disclosure, the collaboration efficiency may be improved.

Abstract: A blockchain-based AI model training method is provided, comprising: building an original AI model according to features of data sets; randomly allocating participants in a training process proportionally into three categories: a model trainer, a model verifier and a model uploader, prior to start of each round of training of the original AI model; during each round of training, generating, by the model trainer and the model verifier, respective partial models of a current round; checking, by the model verifier, partial models generated by the model trainer through using partial models generated locally; aggregating, by the model uploader, all partial models passing the checking of the model verifier to obtain a global model of the current round, and packing the global model, checking results and all the partial models of the current round into a blockchain.