64results about How to "Uniqueness guaranteed" patented technology

A Chinese cabbage hybrid seed production marking method relates to the technical field of Chinese cabbage hybrid seed production. The technical scheme of the method is as follows: after Chinese cabbage hybrid seed production pollination is finished, firstly holding the pedicel of a pollinated flower with the left hand; then transversely tearing off two sepals from the root with the right hand, wherein light movement is required. The Chinese cabbage hybrid seed production marking method can perform marking without rope tying, ring arranging or stamp-pad ink coating, and is low in cost and high in accuracy.

The embodiment of the invention provides a client verification method and device and electronic equipment, and relates to the technical field of clients, and the method comprises the steps: obtaining a hardware fingerprint of a user terminal in real time under the condition that a verification probe is utilized to monitor a verification trigger event in the operation process of a client; under the condition that the verification trigger event is the first verification trigger event, obtaining a client identifier of the client; sending the hardware fingerprint of the user terminal and the client identifier of the client to a server, so that the server queries a historical binding fingerprint corresponding to the client based on the client identifier of the client, and verifies the hardware fingerprint of the user terminal based on the historical binding fingerprint of the client to obtain a first verification result; and receiving a first verification result fed back by the server. Therefore, the credibility requirements of various scenes on the client can be effectively met.

The invention discloses an intermediate-frequency surface shape white light interference splicing measurement method based on polynomial filtering. The method comprises the following steps: carrying out white light interference splicing measurement on an X-ray plane mirror to obtain a group of interference measurement surface shape results with overlapped adjacent sub-aperture space positions; fitting the surface shape result of each sub-aperture by using a Legendre polynomial to obtain a polynomial coefficient under a preset order; fitting according to a polynomial coefficient to generate a fitting surface shape of a corresponding order, and subtracting the fitting surface shapes of all orders from the measurement result to obtain a group of surface shape results subjected to Legendre polynomial filtering; and splicing the filtered shape results according to a least square algorithm to obtain a final measurement result. The method aims at meeting the splicing measurement of sub-nanometer PV precision required by the intermediate-frequency surface shape error detection of the X-ray plane mirror, the least square optimization splicing method is used, the method is not limited by the low-frequency characteristic of the measurement error of the white light interferometer, and the precision and flexibility of the splicing measurement are improved.

This invention relates to the field of new energy vehicle technology and discloses an encrypted communication system for communication between new energy vehicles and charging piles. The system includes: a vehicle gateway, used to generate an initial vehicle-to-charging pile communication key and a message authentication code, and to send the initial vehicle-to-charging pile communication key and the message authentication code to both communicating parties; and, upon receiving a message indicating successful communication between the battery management system and the charging pile, updating the current vehicle-to-charging pile communication key and regenerating the message authentication code to send to both communicating parties; the battery management system and the charging pile, i.e., the two communicating parties, verify each received message authentication code based on the code. If the verification is successful, they initiate the current round of communication using the current vehicle-to-charging pile communication key; after each message transmission, the current vehicle-to-charging pile communication key is updated, and a message indicating successful communication for the current round is sent to the vehicle gateway. This invention updates the key multiple times during vehicle-to-charging pile communication and verifies it in each round of communication, thus improving communication security.

The application discloses a kind of building contour regularization-oriented polygon generation methods for remote sensing, it is related to remote sensing image recognition technical field, including: through the image instance segmentation model of training completion, real-time high-resolution remote sensing image is carried out sliding window prediction, generates candidate building instance mask, and according to candidate building instance mask calculates center point coordinate and mask area;According to mask area, generate adaptive center point distance threshold, and combine center point coordinate and mask area to exclude duplicate candidate building instance mask;Obtain elevation data that is spatially aligned with real-time high-resolution remote sensing image, carry out spatial superposition calculation to non-duplicate candidate building instance mask and elevation data, obtain elevation statistical characteristics;The application realizes the deduplication processing of candidate building instance mask, and under the unified spatial reference, combine elevation data to complete building floor value calculation and regularized building polygon generation.

The invention relates to a parking space addressing method, a camera control method and device, computer equipment, a computer readable storage medium and a computer program product. The parking space addressing method comprises the following steps: performing numbering processing on each rod management group in a target parking area to obtain a group number corresponding to each rod management group; according to the position information of each multifunctional rod of each rod management group, determining a sorting sequence number corresponding to each multifunctional rod of each rod management group; for any multifunctional rod, according to the pixel coordinate of each parking space marking frame associated with any multifunctional rod, determining a sorting sequence number corresponding to each parking space associated with any multifunctional rod; and generating a parking space identifier corresponding to each parking space according to the sorting sequence number corresponding to each parking space in the target parking area, the sorting sequence number corresponding to each associated multifunctional rod and the group number to which the multifunctional rod belongs. By adopting the method, the intelligence of a parking space addressing mode can be improved.

The invention provides a color feature extraction and correction method and system for drug sensitive plate MIC value interpretation and a computer readable storage medium. The method comprises the following steps: acquiring a to-be-processed drug sensitive plate image; performing visual preprocessing such as exposure, contrast and white balance on the image according to the configuration file; high-precision alignment correction of the image is realized by using ORB feature detection and a BFMatcher matching algorithm; generating a transparent mask with an Alpha channel based on predefined hole position contour data, and performing non-destructive target segmentation on the aligned image; and converting the target region to an HSV color space, extracting H-channel hue features, executing cyclic correction, eliminating the problem of numerical value jump of the red region, and obtaining stable color feature data. The method has the advantages of being high in image registration precision, accurate in segmentation, stable in color feature, high in robustness and the like, and automatic and standardized interpretation of the MIC value of the drug sensitive plate can be achieved under different shooting conditions.

This utility model discloses a compressed air foam fire fighting system and fire truck, comprising: two sets of foam tank assemblies for storing and transporting two different foam liquids; an air compressor assembly for providing compressed air; a fire monitor assembly for spraying compressed air foam; and a controller electrically connected to a foam pump, a pressure sensor, a flow sensor, an air compressor, an air pressure sensor, an air flow sensor, and a compressed air electric ball valve. The controller adjusts the foam pump speed, the air compressor output power, and the opening of the compressed air electric ball valve based on the pressure and flow values ​​detected by each sensor to output compressed air foam with any preset gas-liquid mixing ratio. The compressed air foam is sprayed by the fire monitor onto the surface of an object, forming a firebreak. This utility model has a wide range of gas-liquid mixing ratios, adapts to various fire fighting scenarios, and meets the strict sequential mixing requirements of the two foam liquids with air.

The invention discloses an unmanned education training method and system for traffic industry workers, and relates to the technical field of education management, and the method comprises the steps: obtaining the eye image data of a worker; verifying the identity of the worker according to the eye image data, and determining a target worker passing the identity verification; according to the learning record of the target worker, obtaining a knowledge point mastering probability vector of the worker through a knowledge tracking model; screening out a course candidate set by taking maximization of course knowledge coverage and minimization of course difficulty deviation as targets; according to the knowledge point mastering probability vector and the course candidate set, through a collaborative filtering recommendation model, recommending a course for the target worker; monitoring the learning state of the target worker; and performing integral excitation on the target worker according to the learning state. According to the invention, personalized curriculum recommendation of individualized teaching can be realized, and the learning enthusiasm of workers and the overall training effect are effectively improved.

The embodiment of the invention discloses a loop bus communication method and device, electronic equipment and a storage medium, and relates to the technical field of industrial automation and intelligent control, and the method comprises the steps: carrying out the initialization of Master and Slave equipment through setting a current pulse signal threshold value, a return code data representation mode and a high-low voltage pulse width standard; the Master equipment sends downlink data by modifying a low-voltage pulse duty ratio and indicates a return code state by using a high-level pulse duty ratio, and the Slave equipment realizes full-duplex communication by changing a bus current return code. For address conflicts possibly caused by simultaneous code returning of multiple Slave devices, the Master device automatically triggers an address redistribution process by detecting the size of code returning current and a sequential relationship. A low-power-consumption timer is used for controlling the Slave device to be awakened only when a communication request is requested, and the Master device dynamically adjusts transmission parameters and speed by monitoring bus signal quality. According to the invention, the problems of low transmission efficiency and incapability of real-time arbitration and address conflict detection in the prior art are effectively solved.

The application discloses a kind of zero-knowledge identity recognition method and system based on biological characteristics, by the biological characteristic data of the example collected and the biological characteristic data of user are preprocessed, and using elliptic curve and bilinear mapping method, according to the biological characteristic corresponding to example, construct zero-knowledge proof system, and then using zero-knowledge proof system, according to the biological characteristic corresponding to user, construct common data set CRS, and according to common data set CRS, calculate proof data and verification data, obtain proof data set and verification data set, and compare proof data set and verification data set, obtain identity recognition result;The application utilizes elliptic curve and bilinear mapping method, and constructs zero-knowledge identity recognition system based on biological characteristics, reduces the storage overhead of biological characteristic data, while ensuring the uniqueness of zero-knowledge proof input, solves the technical problems of biological characteristic data leakage, data abuse, information forgery and other risks.

This invention discloses a multi-tenant end-to-end data security isolation and control system and method, belonging to the field of vehicle network data security. It aims to solve the problems of easy data crosstalk, discontinuous isolation, unreliable trust benchmarks, and difficulty in compliance traceability in multi-tenant scenarios. The system generates a tenant root identifier (TID) for vehicle enterprise tenants, which, together with the device sub-identifier (DID), forms a tenant identifier chain. This chain is synchronized with a trusted authentication center to establish a vehicle-cloud hardware-level trust root. When the vehicle terminal accesses the system, it completes two-way identity authentication and allocates a dedicated message queue telemetry transmission MQTT topic partition and access permissions according to the TID. The terminal collects time-series vehicle control data and generates encrypted data frames with intrinsic identifiers and checksums for uploading. The access gateway performs dual isolation verification before transparent transmission. Data is forwarded to an independent logical storage partition for isolated storage according to the TID. This invention achieves strong hardware-level isolation, real-time verification, and full traceability throughout the entire end-to-cloud chain, effectively preventing cross-tenant data leakage.

This utility model relates to the field of air sampling technology, and more particularly to a directional sampling and filtering device for atmospheric environmental detection. Its technical solution includes: a filter assembly, an intermediate chamber, and a gas storage assembly. The filter assembly is located at the bottom of the intermediate chamber, and the filter assembly consists of filter elements, a housing, and a rotating plate. The upper inner wall of the housing is threaded onto the lower outer wall of the intermediate chamber. The rotating plate is rotatably disposed within the housing, and each filter element is threaded at equal intervals onto the rotating plate. The gas storage assembly is located at the top of the intermediate chamber. The filter assembly consists of a cylindrical body, a piston slidably disposed within it, and two one-way valves. This utility model achieves the beneficial effects of high-efficiency purification, rapid replacement, and stable sampling through a multi-filter element rotation and replacement structure and a one-way filtration design.

The invention discloses a benefit association detection method based on deep relationship mining and a graph neural network technology, and belongs to the field of data analysis and mining. The method specifically comprises the following steps: firstly, establishing a cluster architecture comprising a review system main server, a cloud database and an object storage resource packet; then, a review identity card and a unified social credit code of the competing enterprise are imported to carry out unique identification verification; then, in combination with associated enterprises which are stored in a review database and have a benefit relationship with the review database, a DFS multi-level traversal algorithm is adopted to calculate a benefit association path between the review and the associated enterprises, and optimization and combination with participating enterprises are carried out to form benefit relationship graph structure data: review-associated enterprises-participating enterprises; and finally, processing graph structure data by using a graph neural network, and judging whether benefit association exists between review and competing enterprises or not. The method aims at accurately selecting judges without interest intersection for scenes such as competition and item selection, and the fairness and justice of the competition or item selection process are ensured.

The application discloses a kind of hardware atomic jump execution interfaces of wisdom calculation center, belong to wisdom calculation center instruction execution technical field, solve the problem that existing atomic jump instruction is easily interrupted, execution integrity cannot be guaranteed, dependent on software analysis, easily be multi-instruction preemption channel.The interface is exclusive physical interface, with general data instruction interface whole hardware electrical isolation, only for the transmission and execution of hardware level atomic jump instruction;Core includes single instruction whole process physical exclusive hardware channel, atomic instruction hardware identification circuit, non-interruptible hardware execution module;Channel whole process physical exclusive in single instruction execution cycle, without any multiplexing mechanism;Atomic instruction feature code is identified by non-reconfigurable fixed hardware logic, without software pre-intervention port;Execution whole process without any interruption can be broken, can guarantee the uniqueness of instruction execution, non-interruptibility and integrity.The application realizes hardware level atomic jump execution without software dependence, can effectively reduce the probability that instruction is interrupted, tampered, preemption, execution reliability is high, applicable to the accurate and reliable execution scene of wisdom calculation center, supercomputing center bottom hardware instruction.

The invention provides an eSIM number migration method and an eSIM number migration system. The eSIM number migration method comprises the steps that a business management portal sends a migration request for a target eSIM number to an operator background system; the operator background system identifies whether a target eSIM number corresponding to the target number identifier is in a transferable state; the operator background system executes service locking operation on an original configuration file corresponding to the target number identifier when identifying that the operator background system is in a transferable state, generates a temporary configuration file and sends the temporary configuration file to a business management portal; and the service management portal writes the received temporary configuration file into the blank SIM card so as to migrate the communication service of the target eSIM number to the blank SIM card. In the mode, the virtual eSIM communication right bound with the original terminal can be transferred to the pluggable entity carrier, so that the convenience and the flexibility of the eSIM service are improved, and the continuity and the user experience of the eSIM service are further improved.

The application discloses a virtual advertisement putting method under a meta universe, relates to the technical field of virtual reality advertisement, and comprises the following steps: obtaining interaction behavior data of a target user with a virtual advertisement in a meta universe platform, performing quantumization processing on the interaction behavior data to generate quantum state superposition data; establishing a quantum entanglement channel network between multiple meta universe platforms according to excited state probability components in the quantum state superposition data; constructing a three-dimensional advertisement model according to a cooperative task segmentation scheme and distributing subtasks to the target user; collecting interaction track data generated in the subtask distribution process, generating quantum advertisement entropy values through a von Neumann entropy algorithm, and casting non-interchangeable tokens on a blockchain based on the quantum advertisement entropy values. The application can accurately capture user intentions through quantum state superposition data and realize dynamic optimization of advertisement resources based on a quantum entanglement channel network.

The invention relates to the technical field of magnetic suspension phase change air conditioners, in particular to a load matching control method for an evaporative cooling magnetic suspension phase change air conditioner, which comprises the following steps: acquiring outdoor wet bulb temperature and system refrigeration load, and comparing with a preset threshold to start different working modes; whether refrigeration output is matched with the requirement or not is judged by comparing the actual temperature with a temperature threshold value in different working modes; if not, calculating the initial adjusting quantity of the key component according to the temperature difference; the current of the key component is sampled in real time, the mutation rate is calculated and compared with a threshold value, the initial adjusting quantity is corrected according to a comparison result, and therefore adjustment and control over all the components are completed. According to the method, multi-dimensional fusion and self-adaptive matching of the load demand, the environmental condition and the equipment state are realized, and the operation risk caused by too fast adjustment or equipment abnormity is effectively avoided while the energy efficiency of the system is improved.

This invention relates to the field of lightning protection technology for high-voltage transmission lines in power systems, specifically to a non-following current multi-stage gap lightning protection device and overvoltage protection method. The device includes multiple multi-stage gap bodies, a high-voltage fixing component, and a low-voltage fixing component. The two ends of each multi-stage gap body are connected to the high-voltage and low-voltage fixing components, respectively. Each multi-stage gap body includes multiple transverse electrodes. These transverse electrodes all point towards the space enclosed by the multiple multi-stage gap bodies and are arranged transversely at intervals in the longitudinal space, forming multi-stage discharge gaps between adjacent transverse electrodes. The high-voltage and low-voltage fixing components are respectively equipped with high-voltage and low-voltage electrodes. This invention employs a split-type distributed structure. The ingenious arrangement of multiple transverse electrodes forms exposed multi-stage discharge gaps, which can quickly guide the movement of the electric arc. The flashover path has stable and reliable discharge performance, effectively dissipating lightning energy and protecting the safety of the distribution network lines.

The invention relates to the technical field of automatic coding, in particular to a one-object-one-code system-oriented unique code automatic coding method and device, and the method comprises the steps: determining a matched character space according to a unique code character demand parameter and an actual application parameter required by a user, screening out a matched target sub-character space, and carrying out the automatic coding of a unique code. Carrying out cyclic coding operation on current space parameters, parameters of all characters used for constructing a character space and unique code character demand parameters to obtain a character cyclic coding result, obtaining time, an actual application scene and actual use time in combination with corresponding characters, and analyzing to obtain a unique code required by a user; the uniqueness of the unique code is guaranteed from the source, the coding length is reduced, the density of the formed unique code is reduced, and the definition of the jet-printed unique code is guaranteed, so that the scanning accuracy and efficiency of the unique code are improved, and the safety management and control of full-link traceability (traceability) of articles / products based on the jet-printed unique code are improved.

The embodiment of the invention provides a power transmission line engineering material table automatic generation method, which is applied to the technical field of power systems and power transmission engineering, and constructs a full-digital derivation engine: firstly, obtaining a line path and an obstacle constraint through GIS (Geographic Information System) analysis; then tower arrangement is automatically determined based on an optimization algorithm; conducting wire mechanical simulation and component intelligent matching are carried out; and finally, constructing a system topological relation and automatically generating an accurate engineering material list. According to the method, a traditional discrete mode depending on manual judgment and manual statistics is remodeled into a continuous automatic process based on a unified data model and a physical law, design consistency, statistical accuracy and whole-process traceability are ensured, and design efficiency, safety and economical efficiency are remarkably improved.

This invention relates to the visible light-induced synthesis of α-aryl-β-difluoromethyl-substituted ketone compounds. The method utilizes a photocatalytic strategy to construct valuable α-aryl-β-difluoromethyl-substituted ketone compounds through radical-mediated difluoromethylation and migration of 1,2-aryl groups. The method and synthetic steps include: Step 1: Using 80W blue light as a visible light source, α,α-diphenylallyl alcohol (1a), difluoromethyl ylide (2), photocatalyst fac-Ir(ppy)3, sodium acetate, and methanol are added to a 10 mL reaction tube and placed in a nitrogen atmosphere; Step 2: Under visible light irradiation, the reaction is stopped when the starting material α,α-diphenylallyl alcohol (1a) is completely consumed; Step 3: After the reaction is complete, the solvent is removed by vacuum distillation. The crude product is purified by rapid column chromatography to obtain α-aryl-β-difluoromethyl-substituted ketone compounds (3a). This reaction has the advantages of mild conditions, simple operation, broad substrate compatibility, and good functional group tolerance.

The invention discloses an open space personnel management method based on unmanned aerial vehicle vision, and relates to the technical field of image monitoring. Comprising the following steps: step 1, generating a current frame fusion detection result of each unmanned aerial vehicle based on multi-unmanned aerial vehicle cooperative sensing of a self-organizing Mesh network; 2, multi-person continuous tracking based on a space-time association diagram is carried out, each unmanned aerial vehicle constructs the space-time association diagram according to a current frame fusion detection result and a previous frame fusion detection result, and a current frame tracking result is generated; and step 3, multi-scale personnel counting and area management based on a Gaussian Laplacian pyramid, wherein each unmanned aerial vehicle gathers statistical data and alarm information through a self-organizing Mesh network and transmits the statistical data and the alarm information to a ground management and control platform. The problems that in the prior art, the coverage range of a single unmanned aerial vehicle is limited, the accuracy of multi-target tracking is insufficient in sheltering and appearance similar scenes, a single-scale detection method is poor in adaptability to personnel target size changes, and a counting result verification mechanism is lacked are solved.

This invention discloses a method for solving the 5-parameter coordinate transformation matrix of inertial navigation. The method includes: determining five parameters in two rows of the coordinate transformation matrix as variables for real-time updates; and using an integral formula to perform integral update calculations on the 5-parameter differential equation to obtain the five parameters at time t. k The time value is calculated; five parameters are orthogonalized and normalized; the remaining three parameters of the coordinate transformation matrix are calculated, and the updated coordinate transformation matrix is ​​obtained, supporting velocity and position updates to improve the accuracy of inertial navigation. This invention uses the angular rate output by the gyroscope orthogonally mounted on the strapdown inertial system as input information to achieve real-time updating of the inertial navigation coordinate transformation matrix, simplifying the computation while ensuring solution accuracy.

This invention belongs to the technical field of drainage ditch lining drainage systems, and relates to a unidirectional flow-guiding anti-siltation device and construction method. It includes a double-cylinder check valve for connecting the inner cavity of the drainage ditch to the water conveyance channel. The double-cylinder check valves are detachably arrayed and installed on the slope of the drainage ditch. The double-cylinder check valves are filled with geotextile, and the outlet of the double-cylinder check valve is covered with a wire mesh cap. This invention uses a double-cylinder check valve structure, which enhances unidirectional flow performance through a double chamber filled with geotextile. It allows water flow while intercepting fine sand and mud, preventing siltation at the valve outlet. It also clears the lining gaps, ensuring timely and effective release of seepage pressure in the lining structure under high groundwater levels, preventing lining bulging and cracking. The wire mesh cap at the outlet further physically blocks large particles of impurities, significantly reducing the risk of internal blockage.

The application discloses a method for preventing missing inspection and cheating in safety inspection and wall inspection in a coal mine based on an internet of things. The method is unique in controlling safety inspection and wall inspection, that is, the method adopts an internet of things technology to integrate data of multiple information systems in a coal mine to realize forced restraint on a position, a time and an electronic trace of safety inspection and wall inspection, so that missing inspection and cheating of safety inspection personnel and wall inspection personnel are eliminated.

The application provides a visible light and infrared image registration method based on region similarity, and the method comprises the following steps: rendering a synthetic dataset with a graph with obvious corner features, training a key point detector on the synthetic dataset; performing scaling and grayscale processing on a registration image pair of visible light and infrared, inputting the key point detector to generate corresponding key point coordinates, and performing random homography transformation on the infrared and visible light images with key points to simulate the transformation relationship between the image pair, generating a grid through Delaunay triangulation, and processing the topological relationship of the point set and the triangular mesh generation; inputting the transformed image pair into a descriptor generation network, designing a region-based loss function, and training the registration relationship between the grids. The method effectively solves the problem of inconsistent corner points in cross-modal image matching, realizes high-precision and high-anti-interference-capability image registration, and can be applied to the fields of remote sensing image processing and target tracking.

The application provides a PLC device alias identification and online authorization method and system. A device alias mapping network is constructed based on a red-black tree to record original PLC devices and corresponding original model information. The system generates an authentication code according to the original model information of the customized device. A user inputs the authentication code and obtains a user PLC device customized model. The original PLC device is upgraded to the customized model by using a firmware upgrade tool. A server randomly generates a salt value. The PLC device performs MD5 encryption on the randomly generated salt value and a unique identifier. The encryption result is used as a complete salt. The PLC device model and manufacturer information are MD5 encrypted as an authentication password. The verification information is AES encrypted. The encrypted verification value is compared and verified. If the verification information is consistent, the authorization is passed. The application can quickly release new device models, reduce operation and maintenance costs, and reduce the waiting time for repeated packaging tests.

This invention belongs to the field of image analysis technology, specifically relating to an automatic method and system for identifying laser positioning positions in welded pipe cutting. The method includes: acquiring continuous image frames of the welded pipe cutting process; preprocessing the continuous image frames and performing preliminary screening using a first preset brightness threshold to generate a candidate laser point set; extracting gradient features within a preset neighborhood window for each candidate point in the candidate laser point set, constructing a structure tensor and performing eigenvalue decomposition to obtain principal and secondary eigenvalues; and eliminating candidate points based on the principal eigenvalues ​​and a first preset energy threshold, as well as a morphological constraint index calculated from the principal and secondary eigenvalues ​​and a first preset morphological threshold, to obtain finely screened candidate points. This invention can identify the true laser point with the highest signal quality from multiple stable trajectories, achieving laser positioning position identification in welded pipe cutting under strong interference industrial environments.

The application discloses an information processing method and device, equipment and a storage medium, and relates to the technical field of computers, and is used for solving the low processing efficiency, and comprises the following steps: intercepting a current SQL statement, and parsing the current SQL statement by a preset parsing mode to obtain an original SQL statement; obtaining a target ID corresponding to the original SQL statement by a preset ID obtaining method; inserting the target ID into a target area in the original SQL statement to obtain a modified SQL statement; and executing the modified SQL statement to obtain a target information table. The application intercepts the current SQL statement when the current SQL statement is executed, generates a target ID by calling a preset ID obtaining method in the interceptor, modifies the original SQL statement by using the target ID, increases the assignment of the relevant id value, guarantees the uniqueness of the information, improves the information processing efficiency, and reduces the possibility of vulnerabilities.