Abstract: Embodiments of the present invention provide an optical structure, an optical coupling method, and a photonic integrated circuit chip. The optical structure includes: two optical coupling structures with different structures, that is, a first optical coupling structure and a second optical coupling structure. The first optical coupling structure includes a first optical transmission structure, and a first coupling port and a second coupling port both connected to the first optical transmission structure. The second optical coupling structure includes a second optical transmission structure, and a third coupling port and a photoelectric conversion structure both connected to the second optical transmission structure. When optical signals are provided in different methods or optical coupling is performed in different scenarios, optical signal coupling can be realized by using optical coupling structures of different structures in the abovementioned optical structure.

Abstract: Provided are an information reporting method and apparatus, an information receiving method and apparatus, a terminal, and a network-side device. The information reporting method includes: receiving, by a terminal, a backscatter signal from a backscatter communication BSC device, determining first information based on the backscatter signal, and reporting the first information. The first information includes at least one of the following: content of the backscatter signal, first indication information, and information of a first event. The first indication information is used to indicate whether a target event occurs when the terminal receives the backscatter signal within first time, and the first event is a target event that occurs when the terminal receives the backscatter signal within the first time.

Abstract: A method for running an edge-cloud fusion-aware visual prompt large language model includes training a large language model feature encoder and a small feature extraction model, inputting knowledge-based text prompts to the large language model feature encoder in an edge device to generate a plurality of knowledge-based text embeddings, building a large language model database in the edge device according to the plurality of knowledge-based text embeddings, inputting a text prompt to the large language model feature encoder in the edge device to generate a text query embedding, comparing the text query embedding with the large language model database to generate a first similarity score, and if the first similarity score is larger than a first threshold, then inputting the text query embedding to the small feature extraction model to generate a first answer.

Abstract: A zero calibration method includes: adding, based on a first forward kinematics model of a robotic arm of a robot, zero deviations of each joint to form a second forward kinematics model, and simultaneously solving the second forward kinematics model and the first forward kinematics model to obtain an end deviation function; sending target end pose instructions to the robotic arm in a current zero point situation, and acquiring a spatial deviation of an actual position of an end; inputting position information of each joint angle and the spatial deviation, after each stop of motion of the end, into the end deviation function, and performing phase shifting to obtain an objective optimization function; and solving the objective optimization function to obtain a zero deviation value.

Abstract: A method and system for controlling an intelligent switch cabinet are provided. The method includes: obtaining running states of a heat engine unit, and performing a matching analysis with a safety measure content of a corresponding heat engine and a DCS marking state, determining first heat engine devices and second heat engine devices; determining a first allowable operation item and a second allowable operation item, determining required operation items in combination with a current actual situation; setting a first work task to an electrical five-prevention system and setting a second work task to an electrical work ticket system, and setting an operation authority to the elements to be operated of the intelligent switch cabinet after the setting is completed; performing the power-off operation on the first heat engine devices of being associated and performing the power-on operation on the second heat engine devices of being associated.

Abstract: An optical assembly is used for communicating laser light from a plurality of laser sources into channels for an optical network. The optical assembly comprises an optical substrate, an input optic, at least one Z-block, filters, at least one fiber collimator, and at least one delivery fiber. The input optic is disposed on the optical substrate and is configured to receive the laser light from the laser sources. The input optic is configured to collimate the laser light into a plurality of collimated laser beams. The at least one Z-block is disposed on the substrate and has an input surface and an output surface. The input surface has a plurality of filters disposed thereon, and the input surface is disposed at an angle of incidence relative to the collimated beams from the input optic. The output surface is disposed parallel to the input surface and can have at least one isolator.

Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, and a first polarizing layer disposed corresponding to the first substrate. The first polarizing layer includes a first sublayer, a second sublayer, and a first polarizing material layer disposed between the first sublayer and the second sublayer. The first sublayer has a first shrinkage force, the second sublayer has a second shrinkage force, and the shrinkage direction of the first shrinkage force is parallel to the shrinkage direction of the second shrinkage force.

Abstract: Disclosed is an circuit for preventing latch-up, comprising a first transistor, a second transistor of a type opposite to that of the first transistor, and a control circuit, wherein a control terminal of the first transistor receives a first control voltage and a first terminal of the first transistor receives a first supply voltage; a control terminal of the second transistor receives a second control voltage, and is connected to a second terminal of the first transistor; a first terminal of the second transistor is connected to the control terminal of the first transistor, and a second terminal of the second transistor receives a second supply voltage. The control circuit is coupled on a path formed by the first transistor and the second transistor between the first supply voltage and the second supply voltage for disconnecting the path when the first control voltage and/or the second control voltage is out of a predetermined range.

Abstract: A lithium-containing material is white powder. The lithium-containing material contains components of lithium (Li), aluminum (Al), phosphorus (P), fluorine (F) and oxygen (O) elements. The contents of the elements in mass ratio are as follows: the content of the lithium element is greater than 0% and less than or equal to 12%, the content of the aluminum element is 5%-40%, the content of the phosphorus element is 1%-35%, the content of the fluorine element is 0.4%-22%, and the content of the oxygen element is 2%-34%. The lithium-containing material is used as an electrode additive material or diaphragm coating material of a lithium-ion battery.

Abstract: Embodiments regarding use of distributed machine learning in wireless communication systems are described. In one embodiment, quantity information of training samples used by a user equipment during a current training of a local model is sent to a control entity; uplink-resource information for uploading parameters of the local model is received, where an uplink resource indicated by the uplink-resource information is allocated by the control entity based on quantity information coming from multiple user equipments, so that a user equipment with a larger quantity indicated by the quantity information has a greater chance of being allocated with an uplink resource sufficient to upload the parameters of the local model; and the parameters of the local model are uploaded to the control entity via the uplink resource indicated by the uplink-resource information, to cause the control entity to obtain a next global model.

Abstract: The present invention discloses an integrated photonic chip structure for universal quantum walk simulation which combines the multiphoton source that can generate the spatially entangled multi-photon state and the linear optical network that can implement the unitary transformation, and establishes mapping between on-chip spatial-entangled multi-photon state and quantum walk state and mapping between on-chip linear optical unitary transformation and the evolution process of multi-particle quantum walk. By manipulating the spatially entangled multi-photon state generated via the multi-photon sources and the optical unitary transformation implemented via the universal linear optical networks, the chip structure can implement universal quantum walk simulation with the control over all parameters of multiple-particle quantum walks including such as evolution Hamiltonian, evolution time, initial evolution state and particle properties (i.e., particle indistinguishability and particle exchange symmetry).

Abstract: The present invention discloses a method for calibrating controllable phase shifters in a multi-stage staggered Mach-Zehnder interferometer structure on an optical chip, aiming to solve the problem of calibrating the controllable phase shifters in a configurable optical network of the multi-stage staggered Mach-Zehnder interferometers. The technical solution is to calibrate the controllable phase shifters that can be calibrated in the optical network; and then to constitute calibration conditions for and calibrate inner phase shifters that has not been; and finally to constitute calibration conditions for and calibrate outer phase shifters that is not calibrated.

Abstract: The present invention relates to a method for measuring the ion nonextensive parameter of plasma includes the following steps: describe the plasma with nonextensive statistical mechanics, obtain the equation describing the relationship between the geodesic acoustic mode frequency and the ion acoustic speed of plasma; collect the measurement data of the geodesic acoustic mode frequencies and plasma temperature in the device where the plasma is to be measured; the obtained equation describing the relationship between the geodesic acoustic mode frequency and the ion acoustic speed of plasma is used to linearly fit the collected measured data of the geodesic acoustic mode frequency and the plasma temperature in the device where the plasma is to be measured to obtain the slope value; based on the derived equation and the obtained slope values, and combining with the safety factor of the device where the plasma is to be measured, the ion nonextensive parameter is solved numerically.

Abstract: This application discloses a gesture recognition method and apparatus accurately recognizes a gesture of a user and improves user experience. The method includes: obtaining echo data of a radar, where the echo data includes information generated when an object moves in a detection range of the radar; filtering out, from the echo data, information that does not meet a preset condition, to obtain gesture data, where the preset condition includes at least two of a distance, a speed, or an angle, the distance includes a distance between the object and the radar, the speed includes a speed of the object relative to the radar, and the angle includes an azimuth or a pitch angle of the object in the detection range of the radar; extracting a feature from the gesture data, to obtain gesture feature information; and obtaining a target gesture based on the gesture feature information.

Abstract: The present invention relates to a method for measuring the ion nonextensive parameter of plasma includes the following steps: describe the plasma with nonextensive statistical mechanics, obtain the equation describing the relationship between the geodesic acoustic mode frequency and the ion acoustic speed of plasma; collect the measurement data of the geodesic acoustic mode frequencies and plasma temperature in the device where the plasma is to be measured; the obtained equation describing the relationship between the geodesic acoustic mode frequency and the ion acoustic speed of plasma is used to linearly fit the collected measured data of the geodesic acoustic mode frequency and the plasma temperature in the device where the plasma is to be measured to obtain the slope value; based on the derived equation and the obtained slope values, and combining with the safety factor of the device where the plasma is to be measured, the ion nonextensive parameter is solved numerically.

Abstract: Disclosed is an circuit for preventing latch-up, comprising a first transistor, a second transistor of a type opposite to that of the first transistor, and a control circuit, wherein a control terminal of the first transistor receives a first control voltage and a first terminal of the first transistor receives a first supply voltage; a control terminal of the second transistor receives a second control voltage, and is connected to a second terminal of the first transistor; a first terminal of the second transistor is connected to the control terminal of the first transistor, and a second terminal of the second transistor receives a second supply voltage. The control circuit is coupled on a path formed by the first transistor and the second transistor between the first supply voltage and the second supply voltage for disconnecting the path when the first control voltage and/or the second control voltage is out of a predetermined range.

Abstract: The disclosure provides a display panel, a manufacturing method thereof, and a display device. A display area is defined on a surface of the display panel, and a first electricity supply area and a second electricity supply area are disposed opposite to each other at two sides of the display area. The display panel includes a substrate layer, and a first metal layer and a second metal layer which are sequentially disposed on the substrate layer, and an insulating layer is further disposed between the first metal layer and the second metal layer in the display area.

Abstract: A display panel and a method of manufacturing the display panel are provided. The display panel includes an array substrate, a pixel definition layer, and spacers. Each of spacers includes a bottom surface and a top surface. A cross-sectional area of the top surface is less than a cross-sectional area of the bottom surface. A horizontal distance from a center to a side of the spacer gradually increases from the top surface to the bottom surface. Moreover, holes of the mask plate corresponding to positions of the spacers are defined, which ensures accuracy of photolithography and display effect of the display panel.

Abstract: A display panel and a method of manufacturing the display panel are provided. The display panel includes an array substrate, a pixel definition layer, and spacers. Each of spacers includes a bottom surface and a top surface. A cross-sectional area of the top surface is less than a cross-sectional area of the bottom surface. A horizontal distance from a center to a side of the spacer gradually increases from the top surface to the bottom surface. Moreover, holes of the mask plate corresponding to positions of the spacers are defined, which ensures accuracy of photolithography and display effect of the display panel.

Abstract: The disclosure provides a display panel, a manufacturing method thereof, and a display device. A display area is defined on a surface of the display panel, and a first electricity supply area and a second electricity supply area are disposed opposite to each other at two sides of the display area. The display panel includes a substrate layer, and a first metal layer and a second metal layer which are sequentially disposed on the substrate layer, and an insulating layer is further disposed between the first metal layer and the second metal layer in the display area.