Abstract: A battery cell may include a bare cell, a top cover, and a housing. The housing has an opening, the housing being connected to the top cover, the top cover covering the opening to form an accommodating space with the housing, the bare cell being disposed in the accommodating space, the opening being located on a side of the housing with the largest area. A side of the bare cell is provided with an electrode lead-out member, the housing comprising an electrode component or the housing being connected to an electrode component, the electrode lead-out member being connected to the electrode component, and the electrode lead-out member being a bent structure.

Abstract: The present invention relates to the technical field of rockfall motion tests, and in particular to an indoor rockfall motion test device and a ramming structure, comprising a bearing component, comprising a support, a mounting crossbar arranged on the support, and a release assembly arranged on the mounting crossbar; and a throwing component, comprising a rockfall start section arranged on the support. In the present invention, the slope shape can be adjusted at will, different plates can be replaced for laying, and filling materials can be replaced, so as to simulate different throwing adjustments.

Abstract: The present application provides a thunderstorm activity observation and management system and method applicable to a power transmission channel. The method comprises: acquiring the number of thunderstorm days in each analysis period; respectively adjusting combined with a preset discrepancy threshold so as to obtain a thunderstorm intensity value of each analysis period; determining a voltage intensity coefficient for each analysis period according to line feature data of a power transmission channel acquired in each thunderstorm activity; and determining a thunderstorm activity assessment value according to the above two result values, wherein the thunderstorm activity assessment value is used for determining a defense level, thereby, defense resources can be scientifically allocated according to the defense level.

Abstract: Systems and methods are provided for accessing a factorized neural transducer comprising a first set of layers for predicting blank tokens and a second set of layers for predicting vocabulary tokens. The first set of layers comprises a blank predictor, an encoder, and a joint network and the second set of layers comprising a vocabulary predictor which is a separate predictor from the blank predictor. A context encoder is added to the factorized neural transducer which encodes long-form transcription history for generating a long-form context embedding, such that the factorized neural transducer is further configured to perform long-form automatic speech recognition, at least in part, by using the long-form context embedding to augment a prediction of vocabulary tokens.

Abstract: A battery cell is disclosed, where the battery cell includes: a housing, the housing including a bottom wall, a top plate, and a plurality of side walls, where the side walls connect the top plate and the bottom wall, and the bottom wall, the plurality of side walls, and the top plate form an accommodating space; a cell, disposed in the accommodating space; and a support plate, disposed in the accommodating space and is clamped between the side wall and the cell.

Abstract: The disclosure provides an electric power transmission safety monitoring system for a thunderstorm area. The system includes a transmission platform, an area characteristic analysis unit and a transmission influence analysis unit, where the transmission platform may receive an electric power transmission request sent by a current power supply end, determine a power demand end and a transmission area where the power demand end is located. After receiving the area characteristic analysis signal sent by the transmission platform, the area characteristic analysis unit carries out thunderstorm characteristic analysis, and sends the analysis result to the transmission influence analysis unit and the transmission platform. The transmission platform further formulates an electric power transmission strategy.

Abstract: Disclosed in the present disclosure is a water droplet bouncing experiment system, belonging to the technical field of water droplet experiment devices. The water droplet bouncing experiment system includes: a support; and a dripping unit including a liquid storage tank, a balance tank, and a water drop pipe, where the water drop pipe is in communication with the liquid storage tank, and the water drop pipe is used for dropping liquid onto the cable; and a separator is slidably mounted in the balance tank, and movement of the separator is adjusted to control the water drop pipe to return water or drop a particular amount of water with a constant pressing force.

Abstract: A battery cell includes: a housing, where the housing forms an accommodating space; an electrode assembly, where the electrode assembly is disposed within the accommodating space; a top cover, where the top cover is connected to the housing and covers the accommodating space, the top cover is provided with a protrusion, the protrusion is located within the accommodating space, and the protrusion is configured to shield between the electrode assembly and at least a portion of the connection at which the top cover is connected to the housing.

Abstract: A digital and informationized fully-automatic aluminum thermal-spraying production line includes: an automatic feeding system including first transfer mechanisms and first carrying conveying mechanisms; a laser cleaning system including a laser cleaning tank, laser cleaning nozzles and cleaning conveying mechanisms; a first transfer system including second carrying conveying mechanisms and second transfer mechanisms; an aluminum thermal-spraying system including traveling mechanisms, turning mechanisms and an aluminum spraying mechanism, the traveling mechanisms being configured to convey workpieces on the second carrying conveying mechanisms onto the turning mechanisms one-by-one, the turning mechanisms being configured to turn the workpieces by a preset angle, and the aluminum spraying mechanism being configured to perform aluminum arc-spraying on the workpieces.

Abstract: Embodiments of the present disclosure relate to the field of acoustic sensing demodulation with high signal-to-noise ratio, real-time demodulation, and high sensitivity, and in particular, to a parallel sensing and demodulation system for acoustic waves based on dual optical frequency combs. The present disclosure introduces dual optical frequency combs as multi-path parallel input light sources, leveraging features of the dual optical frequency combs including narrow linewidth, stable power, high sensitivity, and the capability of precisely converting signals from the optical domain to the radio frequency domain, so the dual optical frequency combs can be used as multi-channel parallel input light sources for acoustic array detection. Besides, some embodiments of the present disclosure employ three-wavelength adaptive demodulation technology to ensure that the detection of acoustic wave signals at every moment has a high signal-to-noise ratio and improved sensitivity for detecting weak signals.

Abstract: The disclosure relates to an optical system and a camera module. The optical system sequentially includes a first element group and a second element group from an object side to an image side along an optical axis, wherein the first element group sequentially includes, from the object side to the image side: a first lens having a positive refractive power, a reflective element, and a second lens having a negative refractive power, and the reflective element is configured for reflecting light emitted from the first lens; the second element group has a positive refractive power, and the second element group is able to move in a direction along the optical axis, so that the optical system switches between a short-focus state and a long-focus state; and the optical system satisfies 0.39<DL/DEFL<0.49.

Abstract: A gel felt production system includes a conveying device including a plurality of first rotating rollers that are rotatably. The plurality of first rotating rollers are disposed at intervals along a conveying direction of the conveying device. An input end of the conveying device is configured to input a wet felt, and an output end of the conveying device is configured to output a gel felt. A method for producing the gel felt using the gel felt production system is further provided.

Abstract: This application relates to an interaction method and a smartwatch. An example method includes: displaying a watch face interface, where the watch face interface comprises clock hands and a first pattern; and in response to an operation of rotating a crown by a user, canceling display of the clock hands and adjusting a size of the first pattern based on a rotation direction.

Abstract: A monitoring structure without chip including at least one first monitoring component. The at least one first monitoring component includes a first substrate and a first signal sensing portion. The first signal sensing portion includes a first signal sensing section, a second signal sensing section, a third signal sensing section and a fourth signal sensing section. The first signal sensing section, the second signal sensing section, the third signal sensing section and the fourth signal sensing section are disposed along a periphery of the substrate. The first signal sensing section and the third signal sensing section are connected to two opposite ends of the second signal sensing section, respectively. The fourth signal sensing section is connected to the third signal sensing section, and is spaced apart from the first signal sensing section via a notch.

Abstract: The present invention discloses a method for measuring the distance between an excavator and a high-voltage transmission line, comprising obtaining camera parameters through the Zhang's Checkerboard calibration method; collecting images, inputting images fully entering the field of view of the camera into a model; obtaining the pixel coordinate of a target frame through the YOLOV5 algorithm; obtaining target world coordinate; analyzing lengths, widths, and heights of 3D models of excavators by using a clustering algorithm, and calculating the geometric mean of each cluster; and measuring the height of the transmission line by a millimeter wave radar, and estimating the height of an object from the steps above, thereby obtaining the distance between the excavator and the high-voltage transmission line.

Abstract: An array substrate includes a plurality of pixel driving circuits and a plurality of third control signal lines. A respective pixel driving circuit includes a data write transistor, a compensating transistor, a third reset transistor, a first capacitor having a first capacitor electrode and a second capacitor electrode, a second capacitor having a third capacitor electrode and a fourth capacitor electrode, and a third node connecting line. A respective third control signal line is configured to provide control signals to a gate electrode of the third reset transistor. The third node connecting line is connected to second electrodes of the compensating transistor and the data write transistor, and to the first capacitor electrode and the fourth capacitor electrode. An orthographic projection of the third node connecting line on a base substrate at least partially overlaps with an orthographic projection of the respective third control signal line on the base substrate.

Abstract: The present invention discloses an InSAR-based measurement method and system for angle of critical deformation in a coal mining area, and relates to the technical field of geological disaster prevention and control of mountainous coal mines, comprising: acquiring a mining surface deformation field image using a small baseline subset interferometric synthetic aperture radar; and drawing profile lines along the strike direction and dip direction of the coal seam respectively in the mining surface deformation field image. The method provided by the present invention has the advantages of improving time resolution and reducing phase noise.

Abstract: This disclosure relates to techniques for performing uplink port selection management in a wireless communication system. Information configuring a first antenna port for uplink communication may be received by a wireless device. The wireless device may determine to swap antenna ports for the uplink communication, and may perform the uplink communication using the swapped antenna ports.