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14results about How to "Accurate realization" patented technology

High-precision full-elevation heaven and earth radiation signal correction method and device

The invention discloses a high-precision full-elevation sky-ground radiation signal correction method and device, and belongs to the technical field of radiation signal processing, and the method comprises the steps: carrying out the preprocessing of a to-be-processed sky-ground radiation signal, and obtaining a zero-offset sky-ground radiation signal; calculating a soft decision function transformation coefficient and a mixed function weight coefficient according to the skewness value of the zero-offset sky-earth radiation signal; substituting the soft decision function transformation coefficient and the mixed function weight coefficient into a pre-constructed mixed function transformation model, and using the mixed function transformation model to perform soft saturation transformation on the zero-offset sky-earth radiation signal to obtain a rectified sky-earth radiation signal; and fitting the rectified space-ground radiation signal to obtain a rectified space-ground radiation signal fitting curve. The method does not need to depend on a simplified mathematical model, does not need external reference information, can achieve the rectification of the space-ground radiation signal in a dynamic environment, and remarkably improves the reliability and robustness of a space-ground radiation measurement system.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Method for deducing trajectory of vehicle in port based on space-time correlation analysis

PendingCN121963517AReal-time adaptabilityRealize dynamic trackingDetection of traffic movementSimulationVehicle driving
The invention belongs to the technical field of port intelligent transportation, and particularly discloses an in-port vehicle trajectory deduction method based on space-time correlation analysis, and the method comprises the steps: receiving multi-dimensional data of a vehicle in a port; determining historical passage data and real-time passage data based on the level data, determining an inter-region transition probability based on the historical passage data and the real-time passage data, and determining image similarities of different positions and different time points based on the image data; performing weighted fusion on the inter-region transition probability and the image similarity to obtain the degree of association of the vehicle transferred from the first region to the second region at the target moment so as to construct a space-time association matrix; and generating a vehicle driving track in a node-by-node prediction mode based on the space-time incidence matrix, and dynamically correcting the vehicle driving track through a double triggering mechanism of checkpoint passing recording and road monitoring to obtain final space-time track data. According to the invention, data reliability and time-space relevance can be improved, and accurate simulation of the vehicle motion trail is realized.
Owner:HAINAN HARBOR & SHIPPING HLDG CO LTD +2

Weld tracking method and system based on molten pool image, electronic device, electronic medium

ActiveCN120563606BImplement automatic trackingAccurate realization
The application discloses a kind of based on molten pool image's weld tracking method and system, electronic equipment, storage medium, based on molten pool image's weld tracking method of the present application first real-time acquisition molten pool image and it is preprocessed, molten pool image is converted into gray image, then based on the molten pool image after pre-processing automatically identifies molten pool centroid position, then based on the molten pool image after pre-processing and molten pool centroid position automatically extracts weld feature straight line, finally according to the deviation distance of molten pool centroid position and weld feature straight line, welding position is corrected in real time, can be based on the real-time acquisition molten pool image welding position is corrected in real time, high-precision weld automatic tracking and deviation correction in welding process are realized.
Owner:CHINA RAILWAY CONSTR HEAVY IND

A new slitting and rewinding machine

ActiveCN224590384UAchieve automatic rewindingAccurate realization
This utility model discloses a novel slitting and rewinding machine, including a frame assembly, a rewinding assembly, a slitting assembly, and a heat-sealing assembly. The frame assembly includes a base frame, wall panels, a front transition roller, a rear transition roller, and a guide roller. Both ends of the base frame are connected to the wall panels. Both ends of the front and rear transition rollers are also connected to the wall panels. Both ends of the guide roller are connected to the wall panels via tension sensors. The rewinding assembly is located between the front transition roller and the base frame, and includes a frame body, an air shaft, a cylinder, and a magnetic powder clutch. A correction mechanism is provided between the frame body and the base frame. Cylinders and magnetic powder clutches are located on both sides of the frame body. Both ends of the air shaft are detachably connected to the cylinders and magnetic powder clutches via transmission components. The heat-sealing assembly is located above the front and rear transition rollers. The slitting assembly is located on the side of the guide roller away from the rear transition roller. This utility model can automatically rewind, correct, heat-seale, and slitting EVA, co-extruded PO, and other adhesive films, with efficient, stable, and reliable operation.
Owner:佛山海阔塑料机械有限公司

Method and system for identifying intention of programming technical problem

The invention provides an intention recognition method and system for programming technical issues, and belongs to the technical field of software engineering.The method comprises the steps that the programming technical issues of a target platform are collected and screened; performing intention annotation on the programming technical problem by adopting an iterative statistical sampling mode, and constructing a multi-level intention classification system to obtain a basic data set; performing data enhancement on samples in the basic data set based on a large language model to obtain an enhanced data set; and training an intention recognizer through the enhanced data set, and carrying out intention recognition on the to-be-tested programming technical problem through the trained intention recognizer. According to the method, the multi-level intention classification system is constructed and the intention recognizer is trained, so that understanding of deep semantics of programming technical problems is realized, the problem of category imbalance in a data set can be relieved through a data enhancement mechanism, and the intention recognition accuracy is improved.
Owner:HUAZHONG NORMAL UNIV

A kind of deviation rectifying mechanism device of roll-to-roll conveying system

ActiveCN224410413UAccurate realizationAccurate detectionStructural engineeringControl theory
The utility model relates to transmission deviation rectification technical field especially relates to a kind of deviation rectification mechanism device of roll-to-roll transmission system;Including deviation rectification subassembly and detection subassembly, the deviation rectification subassembly, the detection subassembly are all set on rack, the rack is divided into upper layer and lower layer, the both ends of the rack of upper layer are rotatably connected upper roll, the both ends of the rack of lower layer are rotatably connected lower roll, the upper roll and the lower roll are also along the length direction of the rack sliding arrangement, steel band is wound on the upper roll and the lower roll, the both ends of the upper roll are correspondingly set one deviation rectification subassembly and one detection subassembly, the both ends of the lower roll are also correspondingly set one deviation rectification subassembly and one detection subassembly;The detection subassembly is used to detect whether the steel band of its corresponding side is deviated, the deviation rectification subassembly is used to carry out position deviation rectification to the steel band deviated by detection subassembly detection;Realize the deviation rectification of steel band.
Owner:湖南隆深氢能科技有限公司

Strike-slip fracture simulation method and device, electronic equipment and storage medium

PendingCN121859494AAccurate strike-slip fault characteristicsStrike-slip fault feature protectionDesign optimisation/simulationSpecial data processing applicationsClassical mechanicsStructural engineering
The invention discloses a strike-slip fracture simulation method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a strike-slip fracture distribution map, a current structural map and a geological analysis rule in a target area; determining the three-dimensional length of the initial model according to the strike-slip fracture distribution diagram; according to a current structural map and a geological analysis rule, determining a second position of each first type of movable wall in the initial model and a moving speed of each first type of movable wall; adjusting the initial model according to the second position of each first type of movable wall body in the initial model and the moving speed of each first type of movable wall body to obtain a target model; and according to the target model, determining strike-slip fracture characteristics of the target area. By adopting the technical scheme of the invention, a set of complete strike-slip fracture simulation process is constructed, so that the determination of strike-slip fracture characteristics has universality and operability.
Owner:PETROCHINA CO LTD

A cognitive function assessment method, apparatus, device, medium and product

PendingCN122291016AAccurate realizationEfficient implementationFeature extractionSpeech sound
This application discloses a method, apparatus, device, medium, and product for cognitive function assessment, relating to the fields of computer and speech processing technology. The method includes: acquiring target speech data; extracting features from the target speech data according to feature categories within a preferred subset of speech features corresponding to the target cognitive test task, obtaining a target speech feature set; inputting the target speech feature set into a cognitive function assessment model corresponding to the target cognitive test task, obtaining the cognitive function assessment result of the target test subject; wherein, by constructing a multimodal cognitive database, extracting wide-area speech features from each form of speech data in the database, and based on the wide-area speech features and corresponding cognitive function assessment results, selecting a preferred subset of speech features based on the correlation strength with cognitive function, and determining the cognitive function assessment model, machine learning and statistical methods are used. This application achieves accurate and efficient cognitive function assessment.
Owner:BEIJING TIANTAN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV +1

A tunnel-type heating conveyor

ActiveCN121626609Bguaranteed frictionsmall tensionConveyorsRollersRoller chainHigh stress
The present application relates to material conveying technical field, specifically to a kind of tunnel type heating conveying equipment, and tunnel type heating conveying equipment includes furnace seat and adjusting mechanism;Furnace seat is provided with conveying belt and roller chain, and conveying belt is formed with closed conveying loop on furnace seat;Roller chain extends along the width direction of conveying belt, and is formed with closed movement loop on furnace seat;Roller chain has a plurality of first and last articulated chain rollers, and chain roller extends along the movement path of roller chain;Each chain roller is all sleeved with deviation correction sleeve, deviation correction sleeve can rotate around its axis, and and conveying belt friction contact;Adjusting mechanism is configured to adjust the distance of roller chain movement in reverse according to the offset of conveying belt.When conveying belt appears offset, through the reverse axial movement of deviation correction sleeve, and under the action of friction force, conveying belt is moved synchronously, deviation correction of conveying belt is realized, so that it can effectively avoid the wear of conveying belt caused by relative sliding, and also can avoid that conveying belt bears high stress for a long time.
Owner:GUANGDONG GUANGXIN MASCH CO LTD

A device for correcting the deviation of a forming paper

ActiveCN224350048UEasy to detectAccurate realizationCleaning using toolsWebs handling
The utility model belongs to the cigarette production technical field, specifically speaking is a kind of for forming paper deviation rectifying device, including side plate, infrared lateral deviation subassembly and deviation rectifying subassembly, the one side of side plate is connected with the guide roller, infrared lateral deviation subassembly includes adjusting support, light source generator, support plate and light source receiving end, deviation rectifying subassembly includes the plate body fixedly connected in the one side of side plate, the inside of plate body is equipped with movable slot, be provided with infrared lateral deviation subassembly, by the light emitted by light source generator, the light emitted converges on light source receiving end, if beam is partially obstructed by the measured forming paper in the way, make the light flux of photoresistor to be reduced, to produce detection signal, can accurately detect whether forming paper deviates correct position, and timely provide deviation rectifying signal, when detecting strip material deviates position, control deviation rectifying subassembly work drives forming paper to move, realize the automatic deviation detection and deviation rectifying of strip material.
Owner:CHINA TOBACCO JIANGXI IND CO LTD

Automatic paper grabbing device for plate processing

ActiveCN224076655URealize turning overAccurate realizationOverturning articlesArticle feedersControl theoryMachining time
The utility model provides a sheet processing paper automatic gripping device, including a paper gripping device, the paper gripping device includes a support frame, a suction cup mechanism, a rotary suction cup mechanism and a deviation rectifying mechanism, the support frame includes two T-shaped frames arranged in parallel front and back, and a gantry support is arranged between the two T-shaped frames; the two T-shaped frames are fixedly connected with the gantry bracket through a plurality of fixed transverse plates; the gantry support can move along with the T-shaped frame, the left end and the right end of the T-shaped frame are each fixedly connected with a connecting plate, and each connecting plate is fixedly connected with a second sliding block. The suction cup mechanism comprises a suction cup frame, the bottom of the suction cup frame is connected with a row of suction cups, and the suction cup frame is connected with a transverse movement driving mechanism and a longitudinal movement driving mechanism. A deviation rectifying mechanism is arranged on one side of the top of the gantry support. Due to the automatic turn-over function of the paper laying machine, manual operation can be reduced, the plate machining time is shortened, and therefore the overall production efficiency is improved.
Owner:HEZE BANGHONG TECH CO LTD

Intelligent mattress system

The utility model discloses an intelligent mattress system, which comprises a mattress main body supporting assembly, the mattress main body supporting assembly comprises a plurality of airtight sponge spring units which are sequentially arranged in a matrix, and the main body of each airtight sponge spring unit is an independent inflation chamber capable of storing gas; an air pressure adjusting assembly, comprising an airtight sponge spring inflation valve, an airtight sponge spring exhaust valve, an air pressure sensor, an inflation pump, an exhaust pump and an air pressure controller, wherein the airtight sponge spring inflation valve, the airtight sponge spring exhaust valve and the air pressure sensor are communicated with an air path of an airtight sponge spring unit; the inflation pump is communicated with the other end of the airtight sponge spring inflation valve; according to the system, independent soft and hard supporting adjustment and cooperative work of different parts of the mattress can be achieved through the airtight sponge springs, complex actions are achieved, the structure is simple, more accurate control can be achieved, noise is lower, the system is more intelligent and user-friendly, and more comfortable sleep experience can be brought to a user.
Owner:秦东阳