Abstract: Disclosed is an optimal scheduling method for peak regulation of a cascade hydro-photovoltaic complementary power generation system. The method includes: establishing an objective function of optimal scheduling for peak regulation of the cascade hydro-photovoltaic complementary power generation system; establishing a photovoltaic power station output constraint condition considering uncertainty; optimizing a mixed integer linear model by performing linear processing on the constraint condition; and obtaining a scheduling solution by solving the mixed integer linear model. According to the present disclosure, a unit commitment of a hydro-power station and an operational solution of a reservoir are considered, so that photovoltaic output can be consumed by fully using a characteristic that the hydro-power unit is easy to regulate, and a demand for peak regulation of a power grid can be satisfied.

Abstract: This application relates to the field of human-computer interaction technologies, and provides a dialog interaction method, an electronic device, and a computer-readable storage medium. In this application, a historical dialog record is screened for selecting an associated historical dialog record to perform query rewriting on query information, to reduce impact of a historical dialog record with an unrelated topic on the query information, improve accuracy of the query information, improve accuracy of reply data of the query information, and improve interaction accuracy. In addition, the associated historical dialog record is selected to perform query rewriting on the query information, to support a user in simplifying input of the query information in a multi-round interaction process.

Abstract: A hydro-photovoltaic complementary operation chart application method for a clean energy base includes: divide a hydro-photovoltaic complementary operation chart into two sub-operation charts by runoff probability and critical probability; predict runoff and predicted photovoltaic output during the operation cycle, select the sub-operation chart by the runoff probability, determine hydropower output of a reservoir in the current month according to water level of the reservoir at the beginning of the current month and the operation area, and obtain the water level of the reservoir at the end of the current month through the runoff calculation; obtain long-term hydropower output process and reservoir level process in the clean energy base until the hydropower output and water level of the reservoir in all months of the operation cycle are calculated, and calculate hydropower generation probability to complete operation.

Abstract: Innovations in adaptive encoding for units of a video sequence can improve coding efficiency. For example, some of the innovations relate to encoding that includes adaptive switching of color spaces between units within a video sequence. Other innovations relate encoding that includes adaptive switching of color sampling rates between units within a video sequence. Still other innovations relate encoding that includes adaptive switching of bit depths between units within a video sequence.

Abstract: Disclosed in the present disclosure are a carrier aggregation method and apparatus, and an electronic device. The method is applied to a base station and includes: acquiring basic information of a carrier within a preset period in response to determining that discrete carrier segments present in the carrier; determining a required number of pieces of common information of the carrier segments according to the basic information; and in response to a current number of pieces of common information being inconsistent with the required number, disabling or enabling the common information of at least one of the carrier segments to make the current number of pieces of common information consistent with the required number of pieces of common information.

Abstract: An eyepiece device configured to display an image to an eye is provided. The eyepiece device includes a waveguide, an indentation layer, and a projection module. The waveguide has a first surface, a second surface opposite to the first surface, an input coupler located at the second surface, and an output coupler located at the second surface. The indentation layer is disposed on the first surface and has a third surface facing away from the waveguide, wherein the third surface has a plurality of indentations configured to scatter an ambient light incident thereon, so as to reduce interference with a user's perception of the image. The projection module is configured to project an image beam to the input coupler, wherein the image beam travels in the waveguide and is then transmitted to the eye through the output coupler. A waveguide module is also provided.

Abstract: The disclosure provides air-ground co-frequency system interference suppression method. The method includes: determining base station set of ground radio communication system corresponding to first base station of ATG system, where each second base station in base station set and first base station interfere with each other; determining, for at least one second base station, location of RIS device corresponding to second base station, and determining incident angle of incident beam of interference signal incident to RIS device; and determining, according to interference signal and incident angle of incident beam of interference signal, weight information of reflected beam of interference cancellation signal so that RIS device reflects incident beam of interference signal according to weight information, to form reflected beam of interference cancellation signal to eliminate interference signal.

Abstract: The present invention relates to a trispecific antibody that specifically binds to PD-1, CTLA-4 and VEGF. The present invention also relates to a composition comprising the trispecific antibody and its use in the treatment of tumors, autoimmune diseases, infectious diseases or angiogenesis-related diseases.

Abstract: Disclosed is a method, device, electronic equipment, and medium for extracting building facade structure, the method comprises acquiring first point cloud data of a building facade and establishing a three-dimensional space based on the first point cloud data; dividing the three-dimensional space into multiple voxels and performing supervoxel clustering on the multiple voxels to obtain at least one first supervoxel; determining the difference between the normal vectors of adjacent points within the first supervoxel for each first supervoxel; identifying points with differences greater than a preset difference threshold as noise points and removing them to obtain second point cloud data; and determining the facade structure of the building. By performing clustering and then screening out noise points in the point cloud based on the normal vectors of the points within the first supervoxel obtained from the clustering, this disclosure can improve the validity of the point cloud data.

Abstract: An encoding method, a decoding method, and a device are provided. The encoding method includes: determining an index of an intra prediction mode syntax element value set of a current picture block; performing, by using a neural network, probability estimation on input data that represents a feature of the current picture block, to obtain probability distribution of a plurality of candidate intra prediction mode syntax element value sets, wherein the probability distribution represents respective probability values of the plurality of candidate intra prediction mode syntax element value sets; and performing entropy encoding on a probability value related to the index of the intra prediction mode syntax element value set of the current picture block based on the probability distribution of the plurality of candidate intra prediction mode syntax element value sets, to obtain a bitstream.

Abstract: A packaging structure, which includes a metal bracket, a driver chip, a light-emitting component, a packaging member and a metal cover plate. The metal bracket includes a plurality of pins, and first and second surfaces oppositely disposed. The driver chip is disposed on the first surface, and configured to control a light-emitting state of the light-emitting component. The light-emitting component is disposed on the second surface and electrically connected to the driver chip through the metal bracket. The packaging structure is disposed on the metal bracket, and configured to fix the metal bracket and enclose the driver chip and the light-emitting component. The pins are disposed surrounding the driver chip and are partially exposed from the packaging member. The metal cover plate is disposed on a side of the driver chip away from the light-emitting component, covering an entire surface of the driver chip.

Abstract: Innovations in the use of base color index map (“BCIM”) mode during encoding and/or decoding simplify implementation by reducing the number of modifications made to support BCIM mode and/or improve coding efficiency of BCIM mode. For example, some of the innovations involve reuse of a syntax structure that is adapted for transform coefficients to instead signal data for elements of an index map in BCIM mode. Other innovations relate to mapping of index values in BCIM mode or prediction of elements of an index map in BCIM mode. Still other innovations relate to handling of exception values in BCIM mode.

Abstract: Disclosed are a method and a circuit for implementing a two-qubit gate. The method includes: applying a coupling control signal to an adjustable coupler, wherein the adjustable coupler is a coupler between a first data qubit and a second data qubit; and activating, by means of adjusting the coupling control signal, longitudinal coupling between the first data qubit and the second data qubit within a predetermined time, so as to implement the two-qubit gate. The present disclosure solves the technical problem in the related art of low precision of the two-qubit gate.

Abstract: Innovations in the area of prediction of block vector (“By”) values improve encoding or decoding of blocks using intra block copy (“BC”) prediction. For example, some of the innovations relate to use of a default BV predictor with a non-zero value. Other innovations relate to use of a selected one of multiple BV predictor candidates for a current block. Still other innovations relate to use of a skip mode in which a current intra-BC-predicted block uses a predicted BV value.

Abstract: Disclosed are a PVP comb-like copolymer and a preparation method therefor and a use thereof. The preparation method comprises: (1) preparation of PVP-OH copolymer, and (2) preparation of PVP comb-like copolymer. The PVP comb-like copolymer prepared from the preparation method has a homogeneous structure. A carbon nanotube slurry prepared by using the PVP comb copolymer as a dispersant has the characteristics of high dispersion efficiency, good stability, and short dispersion period.

Abstract: The present disclosure provides a resource management method, an electronic device and a computer-readable storage medium. The resource management method includes: determining whether remaining inactive time of user equipment (UE) for a target bearer node is exhausted; and in response to that the remaining inactive time of the UE for the target bearer node is exhausted, releasing resources allocated to the UE, the remaining inactive time includes a result of subtracting a sum of continued inactive time of the UE occurred at all nodes from a total preset inactive time duration, the total preset inactive time duration corresponds to the target bearer node.

Abstract: The present disclosure provides a wake-up receiver, including: a radio frequency filter configured to filter a composite signal including an input signal and a background noise signal to obtain a first filtered signal, the first filtered signal includes the input signal and a part of the background noise signal, and the input signal is a product of a modulated signal and a radio frequency carrier; a self-mixing oscillator connected to the radio frequency filter and configured to cause the first filtered signal to self-mix to obtain a mixed signal; an intermediate frequency filter connected to the self-mixing oscillator and configured to filter the mixed signal, so as to filter out the noise self-mixed signal in the mixed signal and obtain a second filtered signal, the second filtered signal includes the modulated signal; and a wake-up signal generation module connected to the intermediate frequency filter and configured to obtain a wake-up signal according to the modulated signal.

Abstract: Provided in the present application is an ultrasonic imaging method, including: generating a plurality of anatomical plane schematics, and causing a display to display the same, each one of the plurality of anatomical plane schematics respectively corresponding to a different anatomical plane of interest; acquiring an ultrasonic image of the anatomical plane of interest; and automatically generating an ultrasonic image thumbnail of the anatomical plane of interest, automatically replacing the anatomical plane schematic corresponding to the anatomical plane of interest with the ultrasonic image thumbnail, and causing the display to display the same. Also provided in the present application are an ultrasonic imaging system and a non-transitory computer-readable medium.

Abstract: Provided in the present disclosure are a method, an apparatus and a controller for fault detection of an uninterruptible power supply. A second terminal of a mains power switch device in the uninterruptible power supply is electrically connected to a corresponding battery switch device. Before the mains power switch device is closed, a comparison is made, by the controller, between the voltage value of the second terminal of the mains power switch device and the voltage value of the battery positive access terminal/battery negative access terminal associated with the mains power switch device. In a case where the absolute value of the difference between the two voltages is less than or equal to the first preset voltage difference, it is determined that the absolute value of the originally large voltage difference is reduced due to a failure of the battery switch device.