Abstract: The present disclosure provides an auto focus (AF) method and system for an electro-hydraulic (EH) lens with an adjustable focus, and an electronic device, and relates to the field of lens focusing technologies. The method mainly includes: determining a state space, an action space, and a reward function of a reinforcement learning (RL) method; constructing sample data based on the foregoing determined state space, action space, and reward function, and storing the sample data in an experience pool; and using sample data in the experience pool as training data of a deep neural network (DNN) architecture when there are M sets of the sample data in the experience pool, and obtaining a trained AF policy with reference to a deep deterministic policy gradient (DDPG) algorithm and a single hill climbing optimization (HCO) algorithm.

Abstract: The utility model discloses a small-sized connector convenient for dismounting and mounting, the connector being inserted and received in a female socket of a PCB board, comprising: a connector housing inserted and received in the female socket; two elastic clamping plates, wherein the two elastic clamping plates are symmetrically mounted on both sides of the connector housing, first ends of the two elastic clamping plates are each provided with a clamping hole, and the female socket is provided with a clamping boss clamped with the clamping hole; and a pull strap, wherein both ends of the pull strap are respectively connected to second ends of the two elastic clamping plates, and the pull strap is used to pull the second ends of the two elastic clamping plates to separate the clamping holes at the first ends of the two elastic clamping plates from the clamping bosses of the female socket.

Abstract: Mechanisms are provided for simulating operating systems. The mechanisms train, for each operating system, a corresponding artificial intelligence (AI) computer model that learns, by way of machine learning training, patterns of input features of inputs to the operating system and corresponding responses from the operating system. A request to simulate a requested operating system is received along with a simulation input whose processing by the requested operating system is to be simulated. An AI computer model corresponding to the requested operating system is executed on the simulation input to simulate processing the simulation input to generate a simulated response. The simulated response is returned as a simulated output of the requested operating system responsive to the input.

Abstract: A method, computer program product, and computer system are provided for recognizing animation through optical character recognition (OCR). Data corresponding to a video or animation containing one or more frames is received. Individual frames or representative images are extracted from the received data. Text in the extracted individual frames or representative images is recognized based on performing optical character recognition on the extracted individual frames or representative images. Relationships between the recognized text across multiple frames of the one or more frames are recognized. A textual or graphical representation of the video or animation is generated based on the identified relationships.

Abstract: Disclosed is a ground wire spacer structure of a connector, comprising two groups of connector monoblocks that are symmetrical and spliced, wherein any group of the connector monoblocks comprise a housing provided with: a plurality of groups of elastic pieces, wherein one end of the elastic piece is connected to a female socket of the connector, and the other end of the elastic piece is connected to a wire group of the connector; a plurality of metal spacers distributed between two adjacent groups of the elastic pieces and used to separate the elastic pieces; and a conductive sheet mounted on the housing, wherein the conductive sheet is abutted against the plurality of spacers, the conductive sheet is connected to a ground wire in the wire group, and the metal spacers and the conductive sheet form a plurality of independent spaces for accommodating the elastic pieces respectively.

Abstract: The present invention relates to a mining hose connecting device and method, and belongs to the field of underground hydraulic equipment for coal mines. The mining hose connecting device comprises a joint unit, wherein the joint unit comprises a first joint and a second joint; a first fastening unit, wherein the first fastening unit is arranged symmetrically about a first plane, and the inner diameter of the first fastening unit is respectively in clearance fit with the outer diameters of the first joint and the second joint; and a second fastening unit, comprising a first fastener and a second fastener, wherein the inner diameters of the first fastener and the second fastener are respectively in clearance fit with the outer diameter of the first fastening unit.

Abstract: Provided are a fault diagnosis apparatus and method based on fluorescence multivariate correction analysis of transformer oil, relating to the field of transformer fault diagnosis technology. Thus, the problem of large volume and weight of the apparatus, high costs, and inconvenience to use caused when in the related art, a fluorescence spectrometer is directly used to acquire the fluorescence spectrum of transformer oil is solved. The monochromatic excitation light of an optimal excitation wavelength generated by a fluorescence excitation source is used to excite the transformer oil in a fluorescence excitation detection apparatus to generate fluorescence. The fluorescence excitation detection apparatus generates the fluorescence according to the input monochromatic excitation light and inputs the fluorescence to a fluorescence signal acquisition and analysis apparatus.

Abstract: Disclosed is a method for constructing a bionic binocular active visual simultaneous localization and mapping (SLAM) system. The method includes: S1, constructing a binocular active visual system, peripheral vision is simulated using a panoramic camera, a panoramic value map is constructed based on the panoramic camera, and a binocular bionic eye gaze control strategy based on the panoramic value map is proposed; S2, designing a SLAM algorithm framework which is suitable for motion of the two bionic eyes, where relative pose optimization of left and right cameras based on a Perspective-n-Point algorithm and depth calculation for binocular matching points based on triangulation are adopted in a SLAM tracking thread; and S3, with the assistance of camera poses estimated by the SLAM system and sparse landmark point coordinates, training a self-supervised depth estimation network, to provide dense depth estimation for a mapping module of the SLAM system, achieving dense mapping.

Abstract: An air conditioning system includes a first heat exchange air duct, a second heat exchange air duct, and a circulating system. The first heat exchange air duct is provided with a built-in evaporator, a first air inlet end, and a first air outlet end, the first air inlet end is communicated with a fresh air inlet outside a vehicle, and the first air outlet end is communicated with a first air outlet port inside the vehicle; the second heat exchange air duct is provided with a built-in heater, a second air inlet end, and a second air outlet end, the second air inlet end is communicated with the fresh air inlet and/or the first air inlet end, and the second air outlet end is communicated with a second air outlet port inside the vehicle.

Abstract: The present disclosure discloses a high precision channel flow measurement device and method based on a principle of multi-point head loss. A flow velocity of a designated position is acquired by using a flow measurement tube; the flow measurement tube is moved in a vertical direction through a convex sliding block and a motion guide pillar to measure the flow velocity at different measurement points on a measurement line; an overall flow measurement part is integrally ascended, that is, the motion guide pillar leaves a water body, in combination with a load bearing telescopic lifting frame; the overall flow measurement part integrally moves left and right in a longitudinal direction through a telescopic guide rod to reach a set position; the overall flow measurement part is integrally descended through the load bearing telescopic lifting frame, that is, the motion guide pillar enters the water body to acquire the flow velocity.

Abstract: In an air conditioning system, a condenser is provided in the first heat exchange air duct, the first air inlet end includes a first air inlet communicated with a circulating air inlet inside the vehicle and a second air inlet communicated with the outside of the vehicle, and the first air outlet end is respectively communicated with a first air outlet communicated with the inside of the vehicle and a second air outlet communicated with the outside of the vehicle. An evaporator is provided in the second heat exchange air duct, the second air inlet end includes a third air inlet communicated with the circulating air inlet inside the vehicle and a fourth air inlet communicated with the outside of the vehicle.

Abstract: A method for cultivating alcohol-brewing sorghum on the basis of a biodegradable mulching film includes five steps such as farmland preparation, film mulching, sowing operation, field management and harvesting. Compared with a traditional alcohol-brewing sorghum planting method, the method of the present invention can effectively bring forward the planting time of alcohol-brewing sorghum, reduce the sowing amount of alcohol-brewing sorghum, assist in increasing the germination rate of alcohol-brewing sorghum, and promote the growth and development of alcohol-brewing sorghum; moreover, the method of the present invention effectively reduces the labor intensity and cost of a weeding operation in field management.

Abstract: A device of regulating a melting speed of an aluminum alloy smelting furnace burner. The device includes: a natural-gas flow-rate regulating assembly, an air flow regulating assembly; a natural gas burner, connected to the natural-gas flow-rate regulating assembly and the air flow regulating assembly and mounted in a melting zone of the melting furnace to melt aluminum alloy into an aluminum liquid; a scum filtration assembly, including a ceramic tube connected to a ceramic filter cylinder, a foam ceramic filter plate being merged in an aluminum liquid thermal-insulation pool; a rangefinder, mounted above the scum filter assembly; a controller for obtaining weights of the aluminum liquid corresponding to two adjacent time points, obtaining the actual melting speed according to a difference in the weights, and regulating the flow rate of the natural gas and the air flow to adjust the actual melting speed to reach a target melting speed.

Abstract: A filter cover, a resonator, an RF cavity filter comprising the filter cover or the resonator, and a communication device comprising the RF cavity filter are disclosed. A filter cover (2) according to an embodiment comprises, at its inner surface (21), at least one flexible flap (22, 23) for frequency tuning or coupling tuning, which extends from and substantially perpendicular to the inner surface (21). A resonator (3) according to an embodiment is made of a sheet metal, and is integrally formed with a body portion (31), a folded portion (32), and a flexible portion (33, 34, 35) which is connected to the body portion (31) or the folded portion (32) and is bendable with respect to the body portion (31) or the folded portion (32) for frequency tuning or coupling tuning.

Abstract: Provided are a computer program product, system, and method for processing participant input in a virtual meeting to determine effects to render in the virtual meeting. A natural language processor (NLP) processes a sentence to determine a structural representation of the sentence comprising a subject and object, which is processed to determine whether the object of the sentence comprises an object of recognition and the subject of the sentence is a participant in the virtual meeting. The structural representation of the sentence is processed to determine an attention level in response to determining that the structural representation of the sentence includes the object of recognition and the subject comprises a participant in the virtual meeting. In response to the attention level exceeding a threshold, a recognition attention effect is rendered in the virtual meeting associated with the attention level, observable by the participants of the virtual meeting.

Abstract: A computer-implemented method to automatically adjust a view of a video stream to focus on a relevant item. The method includes monitoring activity in video feed of a video conference. The method further includes identifying, in the video feed, an item that a user is interacting with during the video conference. The method also includes determining a relevance score for to the item, where the relevance score represents a likelihood the item is a focus of the video conference. The method includes determining the relevance score is above a relevance threshold for the item. The method also includes adjusting, in response to the relevance score being above the relevance threshold, a focus the video feed, where the adjusting is configured to focus on the item.

Abstract: The present disclosure provides a multifunctional climbing operation platform and an operation method thereof. The multifunctional climbing operation platform includes a main machine, clamping devices, a bolt retightening device, and an auxiliary sleeve replacement box, wherein the clamping devices each include: a fixed seat; and a pair of claw bars swingably arranged on the fixed seat and each including a rear bar body and a front bar body hinged together, wherein when the pair of claw bars are opened, an inner angle between the rear bar body and the front bar body is greater than 180°, the main machine and the clamping devices can climb along an object to be climbed, the bolt retightening device can replace different sleeves from the auxiliary sleeve replacement box, and can screw a bolt on the object. The present disclosure has the advantages of a large avoidance range and diverse functions.

Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display device. The array substrate includes: a substrate; a planarization layer on a side of the substrate; a pixel defining layer configured to define a pixel opening region and located on a side of the planarization layer away from the substrate; an anode in the pixel opening region and on a side of the planarization layer away from the substrate. The array substrate further includes an intermediate insulation layer between the planarization layer and the pixel defining layer. The intermediate insulation layer has a chemical polarity between a chemical polarity of the planarization layer and a chemical polarity of the pixel defining layer.

Abstract: An anti-breakdown ion source discharge apparatus includes a discharge chamber, a coil support, an upper insulation fixing block, a discharge component and an ion source chamber. The discharge component includes a radio-frequency coil, a lower conductive connector and an upper conductive connector. The radio-frequency coil is fixed on a coil support base; the coil support base is clamped on an inner wall of the bottom of the ion source base; the coil support is along the circumference of the coil support base; the radio-frequency coil passes through the coil support; the upper conductive connector passes by the radio-frequency coil and the coil support base from the outside of the radio-frequency coil and extends into the bottom of the discharge chamber; and the upper insulation fixing block is sleeved over the upper conductive connector and is fixed on the inner wall of the bottom of the ion source chamber.

Abstract: Systems and method for determining a topic cohesion measurement between a content item and a hyperlinked landing page are presented. In one embodiment, a plurality of content item signals is generated for the content item and a corresponding plurality of signals are generated for the hyperlinked landing page. An analysis of the corresponding signals is conducted to determine a measurement of topic cohesion, a topic cohesion score, between the content item and the hyperlinked landing page. A cohesion predictor model is trained to generate the predictive topic cohesion score between an input content item and a hyperlinked landing page. Upon a determination that the topic cohesion score is less than a predetermined threshold, remedial actions are taken regarding the hyperlink of the content item. Alternatively, positive actions may be carried out, including promoting the content item to others, associating advertisements with the content item, and the like.