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54results about How to "Guaranteed coverage" patented technology

Multi-satellite collaborative observation-data transmission combined planning method for agile satellites

The invention discloses an agile satellite multi-satellite collaborative observation-data transmission combined planning method, which comprises the following steps: carrying out discrete sampling on a target area, calculating the visibility of each satellite to a sampling point, and obtaining the coverage characteristic of each satellite to the area based on the visibility of the sampling point; based on satellite coverage characteristics, a K-Means clustering algorithm is used to segment the target area into a plurality of sub-areas and distribute the sub-areas to corresponding satellites; boundary adaptive stripe division is carried out on the distributed sub-regions, and the number of stripes is calculated; constructing an observation-data transmission joint planning problem model, solving based on an elite genetic algorithm to obtain a planning result, integrating all satellites, and outputting an optimal scheduling scheme; according to the method, the problem that regional target observation-data transmission combined planning is difficult to solve under multi-satellite cooperation of agile satellites is solved, the coverage of the satellites on the distribution region is ensured, the overlapping rate of observation strips of different satellites is reduced, the overall observation benefit under multi-satellite cooperation can be improved, and the method can be effectively applied to a remote sensing satellite management and control technology.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Insulation recovery method for flexible joint of high-voltage submarine cable

The invention discloses an ultrahigh-voltage submarine cable flexible joint insulation recovery method, which comprises the following steps: S1, placement: placing a cable to be processed in a working environment; s2, checking to ensure that the surface of the to-be-processed cable is smooth and clean; s3, mold filling: putting the cable to be processed into an injection mold, installing a cold contraction pipe, and adjusting the position; s4, the cable to be processed in the mold is heated and kept; s5, starting an external plastic extruding machine; s6, the pressure of the mold is kept, discharging is stopped, and the extruder is removed; s7, the injection mold is heated and kept, and cooling is conducted in stages; s8, the injection mold and the cooling pipe are dismantled; according to the recovery method, the steps are simple, only one-time mold installation and extrusion process is needed, the workpiece does not need to be vulcanized after heating is stopped and cooling is completed, and the recovery method can effectively save the preparation process, shorten the process time, improve the production efficiency and be beneficial to guaranteeing the on-time delivery rate of a factory.
Owner:FAR EAST SUBMARINE CABLE CO LTD +2

Charger and charging system

The utility model discloses a charger and a charging system in the technical field of medical instruments, the charger is used for charging an implantable device, the implantable device is used for being implanted into the skull of a user, the implantable device comprises a receiving coil, the charger comprises a transmitting coil, the transmitting coil is used for being coupled with the receiving coil, and the receiving coil is used for receiving the transmitting coil. At least part of the transmitting coil is in an arc shape, and the arc shape is at least matched with the skull of the user. By adopting the transmitting coil adaptive to the radian of the human skull, the radian of the human skull and the shape of the nerve stimulator can be better matched, so that the distances from the surface of the receiving coil to the surface of the transmitting coil are equal everywhere in the receiving area, and the magnetic flux variation in the receiving area is improved; the coupling coefficient between the transmitting coil and the receiving coil is improved, and the induction voltage and current of the receiving coil are improved, so that the charging efficiency is improved.
Owner:SCENERAY

Landfill and leachate distribution range detection method based on multiple physical property parameters

A landfill and leachate distribution range detection method based on multiple physical property parameters relates to the field of environmental protection, and comprises the following steps: acquiring a target area selected by a user, and detecting the target area by adopting a multi-frequency electromagnetic method to obtain surface area detection data; determining a preliminary distribution range of landfill and leachate according to the surface area detection data; according to the initial distribution range and the surface area detection data, determining a wiring area of refined detection; detecting electrical structure parameters of different depths in the wiring area by adopting an electrical sounding method, and generating line area detection data; determining a plurality of detection point locations according to the wiring area and the line area detection data; detecting speed construction parameters of different depths in the detection point by adopting a micro-motion method, and generating point area detection data; and inputting the surface area detection data, the line area detection data and the point area detection data into a joint inversion formula to obtain a distribution range result. By implementing the application, the landfill and the percolate in the designated area can be accurately detected.
Owner:SHANGHAI GEOTECHN INVESTIGATIONS & DESIGN INST

Irrigation device and irrigation method for root fertilization of tobacco planting

The present invention discloses an irrigation device and an irrigation method for root fertilization for tobacco planting, which relates to the technical field of tobacco planting, and includes a walking device, a sprinkler mechanism, the sprinkler mechanism includes a connector and a spray pipe, the connectors have two in total and are respectively movably arranged at the top of the left and right side walls of a carriage, the spray pipes have a total of several in total on each connector and are evenly fixed on the connectors by bolts, the spray pipes are in an arc-shaped structure, and an unfolding drive mechanism includes a drive plate, the drive plate is movably installed in the middle of the top of the carriage through sliding, and one end close to the spray pipe is movably installed inside the front end of the carriage through insertion. The present invention is designed to install a sprinkler mechanism, and the tobacco leaves that block the forward movement are pushed open by the arc-shaped spray pipe, and the tobacco leaves are prevented from being damaged by the device when moving forward, and water is sprayed by the spray pipe, so that the device can irrigate the roots of the tobacco during the process of moving.
Owner:SICHUAN BRANCH OF CHINA TOBACCO

Gantry shovel tooth machine

ActiveCN119589023AGuaranteed CoverageImprove cooling and lubrication effectMaintainance and safety accessoriesCutting fluidKnife holder
The invention relates to a gantry relieving machine and belongs to the technical field of cooling fin machining, the gantry relieving machine comprises a gantry and a fixing plate arranged on the gantry in a sliding mode, a tool apron base plate and a relieving knife are installed on the fixing plate, a liquid storage cavity is formed in the tool apron base plate, and a liquid inlet pipe communicated with the liquid storage cavity is arranged on the tool apron base plate in a penetrating mode; a plurality of fixed nozzles are arranged on the side, close to the scraper knife, of the knife holder base plate, an adjusting hole is formed in the side, close to the scraper knife, of the liquid storage cavity, a blocking plate used for sealing the adjusting hole is arranged in the liquid storage cavity in a sliding mode, the sliding direction of the blocking plate is parallel to the arrangement direction of the fixed nozzles, and a movable nozzle is arranged on the blocking plate. The tool apron base plate is provided with an adjusting piece used for adjusting the plugging plate to drive the movable spray head to slide. The cooling and lubricating device has the advantages that under the conditions of different shapes, sizes or cutting of the base plates, the coverage range of the cutting fluid can be guaranteed, and the cooling and lubricating effect is improved to a certain extent.
Owner:SICHUAN KEYUE HEAT TRANSFER ELECTRONICS CO LTD

Goat whole genome 50k breeding chip and application thereof

ActiveCN121737319Bguaranteed coverageGuaranteed amount of information
The present application relates to the technical field of molecular biology, and discloses a goat whole genome 50K breeding chip and application thereof. The present application is based on whole genome resequencing data of goat populations (more than 500) covering domestic local, breeding and foreign introduced breeds, and filters functional marker information significantly related to 14 economic traits of goats, such as growth and development, slaughter, reproduction, wool production and milk production, through whole genome association analysis and selection signal analysis. The probe combination contains 50,000 SNP sites. The goat whole genome 50K breeding chip has the characteristics of strong cross-breed universality, high detection accuracy and comprehensive functional information, and can be widely applied to goat genetic diversity analysis, whole genome association analysis, whole genome selection breeding and other aspects, and can significantly shorten the breeding cycle and reduce the typing cost.
Owner:INSTITUTE OF ANIMAL SCIENCES OF CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Electronic device

The invention provides electronic equipment, which comprises a radio frequency system, and the radio frequency system comprises a radio frequency transceiver module, a front-end module, a power division module and at least one radiator. The front-end module comprises a first front-end transmitting module and a second front-end transmitting module, one end of the first front-end transmitting module is electrically connected with the radio frequency transceiving module, and the first front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; one end of the second front-end transmitting module is electrically connected with the radio frequency transceiving module, and the second front-end transmitting module is used for transmitting a radio frequency signal supporting a first frequency band; the first end of the power dividing module is electrically connected with the first input end of the first front-end transmitting module, and the second end of the power dividing module is electrically connected with the second input end of the second front-end transmitting module; and the radiator is electrically connected with the output end of the power division module and is used for receiving radio frequency signals from the first front-end transmitting module and the second front-end transmitting module through the power division module so as to ensure the coverage range of the antenna.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Automobile model display device convenient to move

The invention discloses a model display device for automobile design, and particularly relates to the technical field of model display devices.The model display device comprises a base, trundles with brakes are installed at the four corners of the lower end of the base, a display cabinet is fixedly connected to the upper end of the base, and a plurality of partition plates arranged in an array are fixedly installed on the inner surface of the display cabinet; the upper ends of the multiple partition plates are each provided with a plurality of horizontally-arranged positioning assemblies. According to the model display device for automobile design, by arranging the positioning assembly, a user can adjust the distance between the two clamping assemblies by manually rotating a second star-shaped handle so as to adapt to the front and rear wheel tracks of different automobile models, and the distance between the clamping blocks is adjusted by rotating a first star-shaped handle in a matched mode, so that the model display device is more convenient to use. Therefore, the device adapts to automobile models with different tire thicknesses, the effect of fixing the automobile models is achieved, the situation that the positions of the automobile models placed in the device are possibly moved during moving is avoided, and the convenience and practicability of the device are improved.
Owner:BEIJING ZHI YANG NORTH INTERNAITONAL EDUCATION TECH CO LTD

Expressway and town co-construction and sharing fire station site selection method

The invention is applicable to the technical field of site selection of fire stations, and relates to a site selection method for co-building and sharing fire stations of expressways and cities and towns, which accurately characterizes fire rescue demand points of cities and towns by fusing multi-source data, and establishes an equivalent conversion model for expressway fire risks and urban building fire risks. A linear expressway rescue demand is converted into a discrete rescue demand point, reachability is calculated based on a real-time road condition, and an absolute value of a ratio between a coverage expressway rescue demand point and an input ratio of a coverage town rescue demand point which can be newly added compared with an original fire station after a candidate fire station is newly added is calculated; according to the method, the combination meeting the specified floating range is sequentially evaluated and reserved, so that the coverage rate, fairness and economical efficiency of the site selection method at the demand point are ensured, the maximum coverage rate of the demand point is ensured, the scientificity of site selection decision is improved, the fire-fighting service level and the emergency response capability of the expressway are improved, the rescue efficiency is high, and the loss is relatively low.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +2

Device for coating anticorrosive coating on inner wall of anaerobic tower

The utility model relates to the technical field of anaerobic towers, in particular to a coating device for an anticorrosive coating on the inner wall of an anaerobic tower, which not only facilitates the adjustment of the device along with the radius of the anaerobic tower, shortens the distance between a spray head and the inner wall and reduces the coating waste, but also ensures the covering effect of the anticorrosive coating by carrying out roll coating after spraying. Comprising a lifting mechanism; the device further comprises a rotating mechanism, an extending mechanism, a spraying mechanism and a smearing mechanism, the rotating mechanism is installed on the lifting mechanism and drives the extending mechanism to rotate, the extending mechanism is installed on the rotating mechanism so that the spraying mechanism can get close to the inner wall of the anaerobic tower conveniently, and the spraying mechanism is installed on the extending mechanism and sprays paint to the inner wall of the anaerobic tower. The smearing mechanism is installed on the extending mechanism and smears the coating.
Owner:SHANDONG LUXING ENVIRONMENTAL PROTECTION TECH CO LTD

Data screening method and device and computer readable storage medium

The embodiment of the invention discloses a data screening method and device and a computer readable storage medium. The data screening method comprises the steps that one or more pieces of track data and feature data corresponding to the track data are acquired; track points included in the track data are matched with generated road data, and road sections covered by each piece of track data are determined; based on a road section covered by the trajectory data, establishing an observation matrix for representing a coverage relationship between the trajectory data and the road section; based on feature data corresponding to the trajectory data, determining a quality evaluation matrix of the trajectory data; and screening the trajectory data according to the observation matrix and the quality evaluation matrix. According to the track data screened by the technical scheme, the data processing amount can be reduced, the coverage degree of high-precision map construction can be ensured, the quality of collected data can be ensured, the production efficiency and quality of a high-precision map can be effectively improved, and the mapping or updating requirements of the high-precision map can be met.
Owner:AUTONAVI SOFTWARE CO LTD

Filler structure for seawater desalination

The utility model discloses a packing structure for seawater desalination, which belongs to the field of container manufacturing and comprises a plate cylinder, a plurality of support rods are arranged in the plate cylinder in parallel, and two ends of each support rod are connected onto the inner wall of the plate cylinder; a plurality of stand columns are arranged on the supporting rod and are parallel to the center line of the plate cylinder. The two stand columns at different positions are sleeved with spiral-wire-shaped rings, and each spiral-wire-shaped ring is formed by winding at least one spiral wire. The utility model not only facilitates the installation and arrangement of the filler, but also facilitates the replacement after local damage, and is low in cost.
Owner:HIMILE MECHANICAL MFG

Steel structure fatigue damage detection device

The invention discloses a steel structure fatigue damage detection device, and relates to the technical field of steel structure detection.The steel structure fatigue damage detection device comprises a steel structure body and a base, two side plates are fixedly installed on the base, a plurality of cross beams are fixedly installed between the two side plates, and limiting assemblies are installed on the two side plates; the two limiting assemblies are matched with the front end and the rear end of the steel structure body correspondingly, a detection assembly is installed between every two transverse beams corresponding in left-right position, and the two detection assemblies are matched with the upper end and the lower end of the steel structure body correspondingly. The automatic feeding device has the advantages that stable pushing feeding can be automatically conducted on a steel structure body in the detection process, manual operation is not needed, the problem of result errors caused by manual intervention is effectively avoided, the accuracy of the detection result is guaranteed, the working efficiency is greatly improved, and the labor intensity of workers is reduced. And in the pushing and feeding process, the cleaning plate can be driven to automatically reciprocate up and down, so that the cleaning plate can effectively clean the steel structure body in the moving process.
Owner:SHANGHAI DUSHI ELECTRICAL & MECHANICAL TECHNOLOGY CO LTD

A mobile robot path coverage method and system based on hierarchical topological graph

PendingCN122729957Ashorten the lengthAchieve refined optimization
This invention discloses a method and system for mobile robot path coverage based on a hierarchical topology graph, belonging to the field of mobile robot mapping technology. The method includes: segmenting a binarized map into sub-regions to construct an initial adjacency graph; hierarchically dividing the sub-regions according to the number of neighbors and coverage difficulty to construct a hierarchical topology graph; adding sub-regions with one neighbor pair to a candidate pool based on the hierarchical topology graph, selecting the optimal candidate region for coverage through multi-objective optimization scoring, dynamically pruning and updating the candidate pool after coverage until the candidate pool is empty; and using a greedy strategy to complete coverage of the remaining sub-regions. This invention integrates regional geometry and topology information through a hierarchical topology graph, combined with dynamic pruning and entrance / exit optimization, effectively solving the problems of traditional methods relying on static rules, easy repetitive traversal of covered areas, and low efficiency in end-point coverage. It significantly shortens the length of uncovered paths and improves the regularity and operational efficiency of fully covered paths.
Owner:SHANDONG NORMAL UNIV

Coating equipment for PVC coated fabric production

The utility model discloses coating equipment for PVC (polyvinyl chloride) coated fabric production, which relates to the field of textile processing equipment and comprises a supporting bottom plate, a supporting top plate is arranged above the supporting bottom plate, control devices are symmetrically arranged on two sides of the supporting bottom plate, a center mounting frame is arranged at the bottom of the supporting top plate, and a plurality of control devices are symmetrically arranged on the center mounting frame. A plurality of liquid spraying plates are arranged at the bottom of the center mounting frame, and liquid conveying pipelines matched with the liquid spraying plates are arranged at the top of the center mounting frame. Cloth is preheated through the heating frame, and the adhesion effect and stability of follow-up spraying can be guaranteed; the cleaning roller cleans the surface of the cloth at the cloth inlet end, the covering effect of a cloth coating can be ensured, the cloth is preheated through the heating frame, and the adhesion effect and stability of subsequent spraying can be ensured; and the cleaning roller cleans the surface of the cloth at the cloth inlet end, so that the covering effect of a cloth coating can be ensured.
Owner:JIAXING JUMING CANOPY COVER MATERIAL CO LTD

Insulation layer extrusion device of cable with cold-resistant insulation layer

The invention belongs to the technical field of cable extrusion, and particularly relates to an insulating layer extrusion device for a cable with a cold-resistant insulating layer, the insulating layer extrusion device comprises a forming assembly, an auxiliary assembly is arranged on one side of the forming assembly, a covering assembly is arranged on the other side of the forming assembly, and a cable assembly is in transmission connection with the interior of the covering assembly; the forming assembly comprises a cylinder, a stirring cavity is formed in the cylinder, and a rotating shaft is rotationally connected to the interior of the stirring cavity; the auxiliary assembly comprises a base; the covering assembly comprises a die sleeve, a die core is arranged at the axis of the die sleeve, an annular hole is formed in the die sleeve, one side of the annular hole communicates with a transverse hole, and a discharging hole is formed in the opposite end of the annular hole. The insulating layer extrusion device of the cable with the cold-resistant insulating layer is high in extrusion efficiency, good in extrusion effect, simple to operate, safe and stable, effectively improves the stability and uniformity of an insulating film on the outer surface of a cable core, and ensures the insulation protection effect on the cable core.
Owner:CHUNBIN CABLE GRP CO LTD

Angle-adjustable snow machine

The utility model relates to a kind of angle adjustable snow machine, with movable base, multiple rollers are equipped on movable base, snow making cylinder is equipped on movable base, the snow spraying end of snow making cylinder is equipped with water ring and multiple spray pipes, the snow spraying end of snow making cylinder is further equipped with air ring and multiple, air pipe, the tail end of snow making cylinder is equipped with air blower, adjusting assembly is equipped on movable base, adjusting assembly includes drive motor, rotating platform and rotating support, driving gear is fixedly arranged on connecting shaft, adjusting rotating rod is equipped on rotating platform, driven gear is equipped on the lower end of adjusting rotating rod, thread part is equipped on adjusting rotating rod, limit block is equipped on the top of adjusting rotating rod, transmission block is sleeved on thread part, threaded hole is equipped on transmission block, link is equipped on the side of transmission block, side edge sliding slot is equipped on the side wall of snow making cylinder, side edge sliding block is slidably arranged in side edge sliding slot, link is rotatably connected on side edge sliding block.The utility model structure is ingenious, convenient and practical.
Owner:FOCUSUN REFRIGERATION JIANGSU

Agricultural soil plowing and repairing device

The invention relates to the technical field of soil pollution remediation, and discloses an agricultural soil plowing remediation device which comprises a rotary tillage tool rest body and further comprises a discharging hopper fixedly installed on one side of the rotary tillage tool rest body, and the top end of the discharging hopper fixedly communicates with a plurality of conveying pipes used for conveying pesticide into the discharging hopper. The auxiliary sliding blocks extrude the auxiliary sliding rods to complete medicine discharging to cover soil, then the main sliding blocks extrude and push the main sliding rods and the inclined blocks extrude and push the supporting rods to complete material supplementing, medicine powder cannot fall on the surface of the soil at a time due to buffering of the discharging plates, medicine powder accumulation is avoided, and the covering area of the medicine powder to the soil is guaranteed; the pesticide powder is prevented from falling too fast to influence the mixing uniformity of the pesticide powder and soil, the situation that part of the pesticide powder is not brought into deep soil in time and is left on the surface layer due to the fact that the pesticide powder falls too fast and exceeds the stirring and mixing capacity of blades on the rotary tillage tool rest body is prevented, finally it is guaranteed that the pesticide powder is evenly distributed in all layers of the soil, and the effect of the pesticide for improving the soil is fully achieved.
Owner:JIANGSU NONGLE BIOTECHNOLOGY CO LTD

Soil dressing spray-seeding greening slope protection structure and construction method thereof

The invention provides a soil dressing spray-seeding greening slope protection structure and a construction method thereof, and relates to the technical field of slope surface plant protection construction. The protective net is fixedly connected to the anchoring part; the wheat straw layer is laid on the protective net; matrix soil is sprayed and sown, and the matrix soil and the sown seeds are arranged on the wheat straw layer and can press the wheat straw layer into the gaps of the protective net through gravity. The method comprises the following steps: finishing a slope surface, and constructing a water intercepting and draining system; an anchoring part is arranged on the slope surface; a protective net is fixed to the anchoring parts; wheat straws are laid on the protective net; the method has the beneficial effects that the wheat straw and the matrix soil are mixed, so that the matrix soil and the iron gauze can be effectively combined and adhered to the slope surface, the spray-seeding uniformity is improved, and the spray-seeding thickness is effectively controlled, so that the vegetation coverage rate is ensured.
Owner:MCC TIANGONG GROUP

Method for manufacturing semiconductor device, and semiconductor device

The embodiment of the invention relates to a semiconductor device manufacturing method and a semiconductor device. In a method of manufacturing a semiconductor device according to one embodiment, the semiconductor device is disposed in a region surrounded by a first dicing line extending in a first direction on a semiconductor wafer and a second dicing line orthogonal to the first direction. The semiconductor device includes a cell region in which a semiconductor element is provided in a semiconductor substrate, and a terminal region in which a metal wiring electrically connected to the semiconductor element is provided on the semiconductor substrate. In the manufacturing method, a barrier film is formed around a metal wiring in a terminal region, a protective film covering the metal wiring and terminating at a side surface of the barrier film is formed, and a semiconductor wafer is cut along a first cut line and a second cut line.
Owner:KK TOSHIBA +1

Electronic equipment multi-physical field reliability evaluation method based on data driving

The invention belongs to the technical field of electronic equipment reliability analysis, and particularly relates to an electronic equipment multi-physical field reliability evaluation method based on data driving. A traditional reliability analysis method has obvious defects in coping with the multi-physics field coupling problem, and the defects are effectively overcome through organic combination of a systematic data analysis method and a multi-physics field coupling simulation technology. The method comprises the following steps: firstly, establishing a complete reliability evaluation system, and further adopting a technical path of fusing theoretical calculation and numerical simulation to realize accurate reliability analysis of the electronic equipment under the action of multi-physics field coupling. The method has the advantages of being good in economical efficiency, high in efficiency and high in practicability, the reliability level of the electronic equipment can be rapidly and accurately evaluated, and an innovative reliability analysis technical scheme and engineering practice support are provided for the industry.
Owner:WENZHOU UNIV OUJIANG COLLEGE

Collision probability determination method and apparatus, computer device, and storage medium

This application relates to a method, apparatus, computer device, and storage medium for determining collision probability. The method includes: determining the number of collision detection operations based on model parameters in a discretized three-dimensional model of the propeller; performing collision detection operations based on the number of detections and recording the number of collision events; and determining the collision probability of an object colliding with the propeller based on the number of collision events and the number of detections. This quantitatively assesses the probability of an object colliding with the propeller, thereby determining the probability of the object passing through the propeller. Using this probability provides data support for the analysis of the rejection characteristics of aircraft propellers and the design of aircraft propellers, enabling researchers to design aircraft more accurately. This is of great significance for improving the overall resistance of aircraft to foreign object impacts and engine ingestion capabilities, and enhancing aircraft flight safety.
Owner:CHINA ELECTRONICS RELIABILITY AND ENVIRONMENTAL TESTING INSTITUTE ((THE FIFTH INSTITUTE OF ELECTRONICS MINISTRY OF INDUSTRY AND INFORMATION TECHNOLOGY) (CHINA SAIBAO LABORATORY)

A device and method for automatically adding alloy to ductile iron casting by injection molding

The invention relates to the technical field of ductile iron production, and discloses an automatic adding device and method for ductile iron casting alloy by a punching method, comprising a spheroidizing furnace body, a sealing part arranged in a furnace mouth of the spheroidizing furnace body, and used for opening and closing the furnace mouth of the spheroidizing furnace body; an adjusting part is used to control the furnace mouth of the spheroidizing furnace body, so as to realize automatic switching of loading and unloading processes and iron casting processes; the extension of the inner rod of the hydraulic rod can make the top cover rise and open the furnace mouth for loading operations; the contraction of the inner rod makes the top cover fall and close the furnace mouth for iron casting processes, thereby improving production efficiency and reducing the complexity and labor intensity of manual operations; the blocking arm of the injection part can automatically seal and open the injection hole by cooperating with a hanger and an arc groove, so as to realize sealing and heat preservation of the heat in the furnace and automatic control of the injection operation, thereby ensuring the stability and continuity of the production process.
Owner:LUOYANG ZHUOYU MASCH CO LTD

Mine car carrying capacity detection system and method based on YOLOv4 target detection model

The present invention belongs to the field of machine vision technology, specifically a mine car load detection system and method based on the YOLOv4 target detection model. The mine car load detection system of the present invention includes a backbone feature extraction module, an enhanced feature extraction module and a prediction module; the backbone feature extraction module adopts an inverse residual unit containing a depth-separable convolution to extract network features to reduce the amount of network parameters and calculations; the enhanced feature extraction module uses SPPNet to increase the receptive field, extract rich semantic information, and use the improved PANet to shorten the fusion path between feature layers; the prediction module converts the acquired features into prediction results. The system has high detection accuracy, fast detection speed, and small memory usage, which improves the detection effect of large target objects and can be well applied in the field of mine information management.
Owner:FUDAN UNIVERSITY +1

Improved TextRank text summarization method based on key phrase selection

PendingCN121880551Aavoid semantic fragmentationincrease information densityNatural language data processingEnergy efficient computingFeature vectorSemantic network
The invention relates to the technical field of text summarization, and discloses an improved TextRank text summarization method based on key phrase selection, and the method comprises the steps: firstly, carrying out the preprocessing of an original text, and converting the original text into an independent sentence set; obtaining a syntactic structure tree, selecting non-terminal clause nodes, and constructing a key phrase set; performing feature vectorization on the key phrases by using a SimBERT pre-training model, calculating semantic similarity and constructing a text semantic network graph; meanwhile, auxiliary weights such as sentence positions, title similarity and keywords are calculated, and a final sentence weight matrix is generated through linear weighted fusion; and finally, obtaining a global score, carrying out iterative screening and redundancy elimination processing on the candidate phrases, and outputting an abstract after reordering according to the original text logic. According to the method, syntactic structure fine-grained screening, deep semantic interactive calculation and a dynamic redundancy elimination mechanism are combined, the problems of insufficient semantic mining and result redundancy of a traditional abstract method are solved, and the abstract quality is remarkably improved.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

A prescription review method, device, system and storage medium

The application discloses a prescription auditing method, device, system and storage medium, the method comprises the following steps: obtaining a to-be-audited prescription and a document associated with the to-be-audited prescription; scoring the to-be-audited prescription based on a drug knowledge graph and the document to obtain a first score of the to-be-audited prescription; obtaining clinical medication knowledge associated with the to-be-audited prescription based on the document, and scoring the to-be-audited prescription based on the clinical medication knowledge to obtain a second score of the to-be-audited prescription; and obtaining a final score of the to-be-audited prescription based on the first score and the second score. The application has the effect of improving the accuracy and rationality of prescription auditing.
Owner:ANHUI IFLYHEALTH CO LTD

A miniaturized log-periodic antenna and its assembly and design methods

This invention discloses a miniaturized log-periodic antenna and its assembly and design methods, belonging to the field of communication antenna technology. The antenna includes a dielectric substrate, a semi-steel cable, an adapter plate, and a copper layer; the copper layer is disposed on the front and back sides of the dielectric substrate; an adapter plate is disposed at one end of the dielectric substrate; the outer shell of the semi-steel cable is welded to the copper layer at the center line of the back side of the dielectric substrate, and the inner core of the semi-steel cable is bent upwards through the side of the dielectric substrate without the adapter plate and then welded to the copper layer on the front side of the dielectric substrate; the antenna operates in the frequency band of 150MHz–400MHz, with a VSWR ≤2, and uses linear polarization. This invention addresses the performance shortcomings of traditional antennas in this frequency band by optimizing the structure of the vibrator and improving the feeding method, enabling it to cover the target frequency band while meeting the lightweight and miniaturized usage requirements of different scenarios.
Owner:AVIC FORSTAR S&T CO LTD

Highway construction dust open space collaborative spraying treatment method based on large model and multi-modal perception

PendingCN122665437AExpression space distributionExpress the impact of wind field disturbances
This invention discloses a method for air-ground coordinated spraying control of highway construction dust based on large-scale models and multimodal perception. This method collects particulate matter, micro-meteorological, lidar point cloud, and UAV IMU / GNSS data. Through unified timing, 3D rasterization, and adaptive identification with a small sample domain, a 3D dust level field with category probability and uncertainty is formed. Then, a large language model is used to translate natural language task requirements into SprayDSL instructions, which are compiled into a reprogrammable task map after verification for regulatory, equipment, spatial, and data reliability. The method combines a convection-diffusion-sweep model, spray efficiency matrix, and equivalent operators to predict dust evolution and optimizes the division of labor between UAVs and surface spraying stations based on dust plume height and surface coverage ratio. Closed-loop control, rolling reprogramming, and audit traceability are implemented through a heterogeneous edge platform to improve the accuracy, real-time performance, and safety compliance of highway construction dust control.
Owner:FUJIAN AGRI & FORESTRY UNIV

Light emitting diode with built-in driver

The utility model discloses a light-emitting diode with a built-in driver. The light-emitting diode comprises a lampshade, a base, a light-emitting diode wafer, a driver IC and a lead frame, the light emitting diode wafer comprises a three-color light mixing area and a white light area, and a partition plate is arranged between the three-color light mixing area and the white light area; a packaging and sealing structure is arranged between the lampshade and the base; the lampshade is provided with a scattering layer, a first scattering layer and a light guide structure. The light guide structure comprises a first light guide protruding block and a second light guide protruding block. According to the utility model, four-channel adjusting display of three-primary-color mixed display and white display is realized through the three-color light mixing area, the white light area and the partition plate, and independent packaging and light guiding are realized by arranging the lampshade consisting of the light guiding convex block I and the light guiding convex block II in a matched manner, so that the three-color light mixing area and the white light area are not influenced when being independently displayed; and the white light display effect and purity of the subsequent white light area are improved.
Owner:DONGGUAN LANJIN OPTOELECTRONICS CO LTD