81results about How to "Realize verification" patented technology

The invention provides a drainage basin flood runoff forecasting system and forecasting method based on water conservancy big data, relates to the technical field of flood runoff forecasting, and constructs the drainage basin flood runoff forecasting system based on the water conservancy big data by integrating the advantages of a physical model and a data driving model. The adopted bidirectional LSTM network is used for abnormal value interpolation, so that the data quality can be effectively improved; the HEC-HMS model is combined with a terrain correction factor to optimize the accuracy of the runoff process; the LSTM network enhances the data driving capability of flow prediction through the fusion of geographic space features and time series data, the model fusion module introduces an attention mechanism and water conservation constraints, the dynamic weight balance of a physical model and a data driving model is realized, the reliability and consistency of a prediction result are comprehensively improved, and the prediction efficiency is improved. And the model verification module realizes continuous comparison and verification of a forecast result and actually measured data through a closed-loop feedback mechanism of a total error and a dynamic threshold value.

The invention discloses a block chain-based performance-lossless watermark credible traceability method and system. The method comprises the following steps of: embedding extended watermark information based on distribution consistent sampling in a potential space of a generative model to obtain a generation content of an embedded watermark; converting the watermark metadata into a hash value, storing the hash value in a block chain, and executing node trust management and a shared data storage and consensus mechanism; inverting the generated content embedded with the watermark to extract watermark information and calculating a hash value, comparing the hash value with the hash value of the watermark information stored in the block chain, if the comparison is consistent, passing the watermark verification, and if the comparison is inconsistent, failing the watermark verification; and when the watermark verification fails, performing node signature verification, if the node signature verification fails or the data is abnormal, starting an on-chain traceability process, tracking a data generation path according to the watermark metadata, and searching an abnormal node or data transmission point. According to the method, lossless embedding, credible circulation and reliable traceability of watermark information can be realized while high quality of generated content is ensured.

The embodiment of the invention discloses a voice multitask-based model training method and a voice multitask processing method. Firstly, a target voice signal is acquired, and a first voice feature in the target voice signal is extracted through a pre-trained feature extraction model. Then, processing the first voice feature through a forgery detection model to obtain a first voice forgery probability; thirdly, training a forgery detection model based on the first voice forgery probability, and after training is completed, freezing parameters of the forgery detection model; further, the first voice feature is processed through a voiceprint recognition model to obtain first voiceprint information, and the voiceprint recognition model is trained based on the first voiceprint information. And finally, performing forgery detection and speaker verification on the to-be-processed voice signal by using the trained forgery detection model and voiceprint recognition model.

The invention discloses an educational digital identity authentication method of a distributed heterogeneous system based on a block chain, and relates to the technical field of block chains, an identity information set and an educational system information set are pre-collected and stored by using an asymmetric encryption algorithm, an identity standardization model is constructed based on the identity information set and the educational system information set, and the educational digital identity authentication method of the distributed heterogeneous system based on the block chain is established. Based on an identity standardization model, identity data of registered personnel is managed by using an intelligent contract, cross-chain data sharing is performed on the identity data by using homomorphic encryption and differential privacy technologies, and cross-chain verification is performed by using a decryption key of homomorphic encryption and a private key of an asymmetric encryption algorithm, so that the security and transparency of the data are greatly improved.

The embodiment of the invention provides a login control method and device based on operation and maintenance, a bastion host, a system, a storage medium and a program product. The method is applied to a bastion host, and comprises the following steps: in response to a first login request sent by an operation and maintenance terminal, verifying the operation and maintenance terminal; wherein the first login request represents login of the bastion host; after it is determined that verification of the operation and maintenance terminal succeeds, a second login request is sent to the target server, and the second login request comprises account information of the target server corresponding to the operation and maintenance terminal; in response to first login response information sent by the target server, sending the first login response information to the operation and maintenance terminal; wherein the first login response information represents that the operation and maintenance terminal successfully logs in the target server. The method is used for achieving the effects of enhancing the safety and traceability of operation and maintenance operation and improving the efficiency and compliance of operation and maintenance management.

The invention discloses a method for realizing self-defined signature verification of a swan application program. The method comprises two stages of signature self-defining and signature verification. According to the method, a customized signature verification mechanism is realized for the HAP application package of the swan operating system, the generation, insertion and verification of the customized signature value and the additional value are realized, the official swan HAP package signature verification mechanism is not damaged, and the application installation package subjected to customized signature can still be installed and used on the swan operating system through the method. After signature operation of official developers is completed in the development stage of the swan application, a self-defined signature can be created through the method, and in the application installation stage, self-defined signature verification and additional value verification can be completed based on the method. The method can be used for source check and integrity check of the HAP application, meets customized safety requirements urgently needed by related industries, and fills the industry blank.

The invention relates to the technical field of micro-grid simulation, in particular to a micro-grid closed-loop cross validation simulation system, method, device and medium, and the system comprises a bottom layer data generation module, a topology automatic mapping module, a communication protocol module, a master station control module, an index evaluation module, a human-computer interface module and a historical section playback module. The system can simulate steady-state operation characteristics of different types of micro-grid elements, interaction with an external micro-grid energy management system can be realized based on the system, and a closed-loop cross validation test is realized through a master station simulation function of the system; based on the system, simulation of different characteristic resources can be realized, verification of different investment subjects and different user operation targets, micro-grid dynamic aggregation capability verification, distribution and micro cooperation verification and the like can be realized, meanwhile, based on the system, micro-grid group verification can be realized, and a test environment is provided for master station micro-grid group cooperation control.

The invention discloses an adapter card identification method and device, electronic equipment and a computer readable storage medium, the method and device are applied to a substrate management controller, the substrate management controller and a basic input and output system are both in communication connection with a preset storage medium, and the method comprises the steps that an adapter card physical link information table is traversed, and a target adapter card is determined; determining a target serial number corresponding to the target riser card in the riser card white list; determining a target storage medium channel corresponding to the target serial number in the riser card static information table; reading through the target storage medium channel to obtain a real serial number of the target riser card; if the real serial number is consistent with the target serial number, target static information corresponding to the target serial number in the riser card static information table is written into a preset storage medium to be read by the basic input and output system, and the target riser card is recognized by the basic input and output system. According to the technical scheme, the automatic identification of the adapter card by the basic input / output system in the server is realized through the baseboard management controller.

The invention discloses a nuclear power plant water supply tank sectional type magnetic turning plate liquid level meter verification device and method. The verification device comprises an auxiliary water supply tank, a sectional type magnetic turning plate liquid level meter, a first isolation valve assembly, a water supplementing pipeline, a second isolation valve assembly and a temporary liquid level meter. The sectional type magnetic turning plate liquid level meters are arranged on the side faces of the auxiliary water supply tank respectively and communicate with the auxiliary water supply tank. The first isolating valve assembly is arranged between the sectional type magnetic turning plate liquid level meter and the auxiliary water supply tank; the sectional type magnetic turning plate liquid level meter is communicated with the water replenishing pipeline; the second isolating valve assembly is arranged between the sectional type magnetic turning plate liquid level meter and the water replenishing pipeline; the temporary liquid level meter is communicated with the water supplementing pipeline, and the liquid level scale of the temporary liquid level meter corresponds to the liquid level scale of the sectional type magnetic turning plate liquid level meter. The auxiliary water supply tank does not need to be filled with water, the influence of water quality on the auxiliary water supply tank does not need to be considered, and test difficulty and cost are reduced.

The invention relates to the technical field of intelligent manufacturing, in particular to a checking and rejecting device and method under the high-speed condition, and the device comprises a conveying belt, a code reading triggering photoelectric sensor, a depth camera, a code reader, a rejecting assembly, a rejecting detection photoelectric sensor, an encoder and a PLC. The accurate position of the bottle cap is obtained through the depth camera, and the code reader is controlled to be aligned with the bottle cap, so that the accuracy of two-dimensional code reading is ensured; the vibration sensor and the light sensor are introduced to detect the change of environment vibration and illumination intensity, and the sensitivity of the photoelectric sensor and the trigger delay of the rejecting device are dynamically adjusted through the PLC, so that high-precision two-dimensional code verification and accurate rejecting of unqualified products under a high-speed condition are realized, and the production efficiency and the product quality are remarkably improved.

This invention provides an automated assembly and tightening device for shaft-end nuts that is easy to verify, belonging to the field of industrial manufacturing technology. This invention achieves full automation of the nut assembly process by integrating components such as a base, conveying mechanism, nut supply device, assembly robotic arm, tightening mechanism, and verification system. Its core lies in employing a two-stage tightening control strategy, dividing the tightening process into preliminary tightening and reinforcement tightening stages. In the preliminary tightening stage, a low-speed, high-precision mode and dynamic damping control ensure correct thread engagement. The intermediate verification stage measures axial displacement values ​​to promptly detect anomalies. In the reinforcement tightening stage, a stepped torque-increasing algorithm ensures uniform stress distribution. Finally, multi-parameter comprehensive verification evaluates the tightening quality and generates a traceability code, effectively solving the quality instability problem caused by a single-stage tightening method for shaft-end nuts.

The invention discloses a laser radar calibration method, electronic equipment and a medium, and relates to the field of laser radar calibration. In the laser radar calibration device comprising a controller and a reflecting plate, a second position of a target point in a vehicle body coordinate system is determined according to the position of the target point in a laser radar coordinate system and current data (including position data and direction data), and then the position of the target point in the vehicle body coordinate system is calibrated according to the relation between the first position and the second position. The current data is adjusted according to the condition of the second position, and calibration of the laser radar is achieved; the internal and external parameters of the camera and the environment illumination condition do not need to be considered, the complexity of the calibration process is relatively reduced, the calibration efficiency of the laser radar is improved, and the calibration of the vehicle-mounted laser radar can be completed on a vehicle without the camera; moreover, the position condition of the target point on the reflector is analyzed, so that the position of the target point can be quickly and accurately identified according to the light intensity information, and the calibration efficiency is further improved.

The present invention relates to the field of data encryption technology, and discloses a data encryption method, decryption method and related devices, electronic equipment and media that are resistant to quantum decryption. The method includes: initializing a generator matrix and a check matrix using a preset maximum rank distance code; encrypting and storing stored data using the generator matrix, the check matrix and a preset encryption and decryption private key to obtain encrypted stored data; generating a storage check code according to the encryption and decryption private key and the encrypted stored data, decoding the storage check code using the check matrix to obtain a decoded codeword; performing data error correction on the decoded codeword using the generator matrix to obtain decrypted stored data. Through the encryption of the check matrix in the implementation of the present invention, the privacy protection of the original data set can be effectively realized, and the correction of the decrypted data can be realized through the generator matrix, thereby improving the security of data encryption storage.

The present application relates to the technical field of optical fiber fault diagnosis, and particularly relates to an optical fiber line fault diagnosis remote positioning control system, comprising an optical fiber line management center, a deployment collection module, a marking and association module, an anomaly verification module, a section division module, an interval positioning module and an execution control module; the present application is a full-process closed-loop mechanism through collection-preprocessing-fault identification-anomaly verification, uses a fault identification model to preliminarily determine a fault type, uses a weighted matching algorithm to accurately verify an anomaly detection point, effectively filters false positives caused by parameter fluctuations, greatly improves the accuracy and reliability of fault identification, avoids the waste of invalid maintenance costs, simultaneously realizes accurate landing from "interval positioning" to "point positioning" in single anomaly detection point and multiple anomaly detection point scenarios, and realizes dynamic adjustment and verification of a repair scheme by monitoring the parameter compliance in a real-time repair process, thereby improving the intelligent level of operation and maintenance.

This invention provides a method and system for constructing a negative obstacle risk map, relating to the field of robot environmental perception technology. The method includes: acquiring multimodal sensing data of a legged robot in the current operating environment to obtain the types of negative obstacles, multiple candidate regions, and the corresponding confidence and uncertainty of each candidate region; using a risk diffusion algorithm, performing ink blurring processing based on the type, confidence, and uncertainty to generate a continuous risk field corresponding to each candidate region; dividing the continuous risk field to generate a continuous risk gradient distribution corresponding to each candidate region; performing terrain modeling based on laser point clouds, updating the continuous risk gradient distribution using Bayesian fusion to obtain a multi-level grid map, and then performing tactile closed-loop correction on the multi-level grid map to generate a risk cost map. This invention improves the accuracy of constructing a negative obstacle risk map.

This invention discloses an automated settlement system for cross-regional power trading based on smart contracts. A feature recording module records multi-dimensional settlement characteristics of settlement data packets from power generation companies. A data preparation module, responding to the power generation company's need to send settlement data packets, generates a sending request based on the multi-dimensional settlement characteristics. A sending module processes the settlement data packets based on the sending request, encapsulating the access sequence number and key segment sequence number for synchronous transmission. A verification module verifies the settlement data packets, and the verified data packets are used to generate a trading contract through a contract trading module. Based on the trading contract, a transaction fund transfer instruction is generated. This invention automates the entire power trading settlement process, reconstructs the trust system for power trading settlement, and lays a solid foundation for building a new generation of transparent, intelligent, and efficient power market operation ecosystem.

The invention provides a track installation auxiliary tool and a construction method.The track installation auxiliary tool comprises a laser generator and a target plate, the laser generator is arranged at the starting end of a track, and the target plate is arranged on the track and used for receiving laser beams emitted by the laser generator and transmitting the laser beams to the target plate; the laser emitter and the target plate are respectively arranged on the supporting assembly and are detachably connected with the supporting assembly, and the supporting assembly is detachably connected with the track. The device has the beneficial effects that when the working space is limited, the supporting assembly is adopted to stably support the laser transmitter and the target plate, verification of rail installation parameters is achieved, the accuracy of rail installation is guaranteed, the structure is simple, and operation is convenient and fast.

The present application relates to the technical field of databases, and discloses a method and system for modifying a password of a database, the method comprising: creating a password modification task; calling a password modification server to generate a password modification strategy; the password modification server first signs and then encrypts the password modification strategy to obtain an intermediate strategy; the password modification server sends the intermediate strategy to the password modification client, and the password modification client decrypts and unsigns the intermediate strategy to obtain the password modification strategy; performs a network detection, verifies the password modification strategy once after the network detection passes, performs a password modification operation, verifies the modified password twice to obtain a password modification result, refreshes an application connection pool, first signs and then encrypts the password modification result to obtain an intermediate result, and reports the intermediate result to the password modification server; the password modification server first decrypts and then unsigns the intermediate result to obtain a password modification result, and sends the latest password to the main application end for storage; the new password after the password modification can be notified to the modified application side in time, and the password modification application business is not interrupted.

This application provides a full-system cold flow test system for a liquid rocket pressurization and delivery system. The system includes: a storage tank, a pressurization system, a delivery system, and a water tank. The storage tank contains liquid. The pressurization system is connected to the top of the storage tank and is used to increase the pressure in the storage tank. The delivery system includes a drain pipe and a liquid discharge flow limiting device. The liquid discharge flow limiting device is installed on the drain pipe. One end of the drain pipe is connected to the bottom of the storage tank, and the other end extends into the water tank. The drain pipe is used to deliver the liquid from the storage tank to the water tank. The liquid discharge flow limiting device is used to control the discharge flow rate of the liquid from the storage tank. This application comprehensively simulates a full-system cold flow test without engine ignition, improving the realism and reliability of the test.

The invention discloses an annotation result verification method, electronic equipment and a computer readable storage medium. The method comprises the steps of obtaining a pre-annotation result of a first image; wherein the first image comprises at least one target object, and the pre-labeling result is obtained by performing target behavior attribute pre-labeling on each target object in the first image; determining a first area and a second area corresponding to the target part of each target object from the first image; wherein the second area is an area through which the target part of the target object can pass under the condition that the target object has the target behavior attribute; and based on the position relationship between each first region and the second region, verifying the pre-labeling result of the first image to obtain a first labeling verification result corresponding to the pre-labeling result. In this way, verification of the pre-labeling result can be achieved.

The invention discloses a verification method and device, a verification parameter method is defined in a strategy class, the verification parameter method comprises method parameters, and the method parameters comprise a to-be-verified object, a field of the to-be-verified object and a first grouping list; an annotation of a target field is obtained through a reflection method, the name of the annotation of the target field is compared with the annotation class name maintained by the first global variable, and the target field is any one of the fields of the to-be-verified object; if the target annotation class name is hit, obtaining a second grouping list corresponding to the target annotation class name; if the first grouping list and the second grouping list have an intersection and the field value of the target field is determined not to be null, obtaining an instance of a corresponding strategy class according to the target annotation class name; and checking the target field by calling a checking method through the instance. In this way, verification of the request message body field level can be achieved based on the user-defined annotation created by the framework constructed by adopting reflection and strategy modes, personalized verification can be achieved, and the requirement for flexible verification is met.

The utility model discloses a verification device for an electro-hydraulic servo control algorithm. The verification device comprises a servo motor, a lead screw module, a transmission belt, a detection assembly and an adjusting assembly, the lead screw module is connected with the servo motor through a transmission belt, the detection assembly is connected with the lead screw module, and the adjusting assembly is used for adjusting the distance between the servo motor and the lead screw module in the x direction so as to change the tightness of the transmission belt. The opening degree of a servo valve is simulated by adopting different rotating speeds of a servo motor, the movement of an actuator is simulated by adopting a lead screw module, the rigidity performance of different working conditions is simulated by adopting a transmission belt and an adjusting assembly, and the movement data of the lead screw module is acquired by utilizing a detection assembly, so that the verification of an electro-hydraulic servo control algorithm is realized. The device has the advantages of simple structure, convenience in operation, small size and low cost.

This application relates to a time compensation method, a battery management system, a vehicle, a server, and a service system. It includes: obtaining a temperature difference threshold relationship, which includes the correspondence between temperature difference ranges and temperature thresholds; compensating for the battery's static dormancy time based on the temperature difference threshold relationship; where the temperature difference range characterizes the degree to which the battery's temperature deviated from a reference temperature during the previous power-off, and the temperature threshold characterizes the amount of temperature change corresponding to the duration of static dormancy during the power-off to power-on period within the corresponding temperature difference range. This method can compensate for the battery's static dormancy time in the event of an RTC failure, thereby enabling the BMS's functions such as SOC static correction, SOH online calculation, and static equalization calculation to operate normally.

This application discloses a message transmission method and system based on a CAN bus. The method includes: a first ECU node generating a node message according to predetermined rules and uploading it to the CAN bus for transmission; when a second ECU node receives a node message at a predetermined node address, it reads the message request identifier to see if it is a verification request. If so, it searches for the random number carried by the message, selects a matching encryption algorithm based on the random number, and verifies the generation time carried by the node message based on vehicle time data. After successful verification, it generates a second dynamic key based on the generation time and the random number using the selected encryption algorithm, and compares it with the first dynamic key carried by the node message. If they match, it uses the second dynamic key to decrypt the ciphertext carried by the node message to obtain valid data, generates a response message, and uploads it to the CAN bus to provide feedback to the sending ECU node. This application can achieve secure encryption and verification of messages on the CAN bus, improving transmission security and reliability.

The invention discloses a construction method of a foreign matter recognition result verification model, an image foreign matter recognition result verification method and device, equipment and a medium. The image foreign matter recognition result verification method comprises the steps that a target foreign matter image output by a foreign matter recognition model is acquired, and a foreign matter background image is extracted from the target foreign matter image; performing channel fusion processing on the target foreign matter image and the foreign matter background image based on a preset image channel fusion model to obtain a target fusion image; inputting the target fusion image into a foreign matter recognition result verification model to obtain a foreign matter probability table of the target foreign matter image; and obtaining a verification result of a foreign matter recognition result of the target foreign matter image according to the foreign matter probability table. Through the technical scheme of the invention, verification of the image foreign matter recognition result can be realized, the accuracy of the foreign matter recognition result is improved, and meanwhile, the verification efficiency of the foreign matter recognition result is improved.

The invention discloses a multi-cloud DNS service configuration optimization method, system and device and a medium, and the method specifically comprises the steps: deploying at least one DNS service node in each cloud service environment to form a DNS service cluster, and carrying out the configuration management of the DNS service cluster through Terraform; according to the geographical position distribution condition of players in the global range, edge computing nodes used for sinking the DNS service are planned and arranged in all the areas; synchronizing a DNS analysis record among the DNS service nodes by adopting a block chain technology, and verifying and confirming the DNS analysis record through a consensus algorithm; and performing fault prediction on each DNS service node and each edge computing node through a deep learning algorithm to obtain a fault prediction result, and dynamically adjusting DNS service parameter configuration according to the fault prediction result. According to the invention, comprehensive optimization and intelligent management of the DNS service are realized, and the reliability, safety and performance of the DNS service are improved.

The utility model discloses a polaroid roller flatness checking device which comprises a supporting base, and checking tables are arranged on the two sides of the surface of the supporting base in a sliding and sleeving mode. The verification space is arranged on the verification tables, and the two verification tables are communicated with each other; the tension spring is jointly connected between the two checking tables, and the two checking tables are in a close fit state under the tension action of the tension spring; and the pressure sensing paper is laid on the checking table through the checking space and is used for carrying out rolling test on the polaroid roller. According to the polaroid roller flatness checking device provided by the utility model, the pressure sensing paper is laid on the checking table, so that the polaroid roller can be rolled on the surface of the pressure sensing paper, and the pressure sensing paper can present a certain color under the pressure of the roller because the roller has a certain gravity, so that the flatness of the polaroid roller can be checked. Therefore, whether the surface of the roller is convex or concave or not can be judged according to the color uniformity presented by the pressure sensing paper, and the flatness of the polaroid roller is effectively verified.

The invention discloses an adaptation device and an adaptation method, and relates to the technical field of computers. The adapter device comprises a controller, a switching device, a first connector and a second connector. The input end of the first connector is connected with the output end of first equipment and is used for receiving a signal output by the first equipment; the input end of the switching device is connected with the output end of the first connector, and the output end of the switching device is connected with the input end of the second connector; the output end of the second connector is connected with the input end of second equipment; and the controller is connected with the switching device. After the controller obtains the to-be-transmitted signal corresponding to the first equipment, the controller controls the switching device to output the to-be-transmitted signal at the pin of the second equipment according to the to-be-transmitted signal, so that the matching of the transmission signal of the first equipment and the pin signal of the second equipment is realized through the adaptation device, and the problem of interface compatibility is solved.

The present invention relates to the technical field of communication equipment verification, and discloses a switch port verification method, device and switch, which are implemented based on a port test fixture, wherein the port test fixture includes a test contact for establishing a one-to-one corresponding electrical connection relationship with each signal pin to be tested in the port to be tested; the method includes: when the test contact establishes an electrical connection relationship with the signal pin to be tested, controlling the corresponding register of the port to be tested to perform a predetermined operation, and obtaining the state change of the circuit where the signal pin to be tested is located; based on the state change of the circuit where the signal pin to be tested is located, determining the functional correctness and line connectivity between the port to be tested and the port management chip. Since the manual operation with complicated steps and difficult operation is omitted, the efficiency of switch port verification can be effectively improved, and the verification difficulty can be reduced.

This invention discloses a biodiversity analysis method based on multi-source monitoring data, relating to the field of ecological data processing technology. The method includes: receiving monitoring records from different sources within the same monitoring area; arranging collection times by region number and cycle to generate collection sequence data; and generating reverse-order record groups when the source types are in reverse order. It also includes generating species records based on the monitoring records, matching the collection sequence data, and writing first-collection, last-collection, or non-order markers; extracting records of the same species category within the same area from the reverse-order record groups; and generating records affected by collection actions and pre-collection instructions when all species categories have a last-collection marker and correspond to different source types. In the next cycle, it generates pre-verification records based on the pre-collection instructions, rewrites records affected by collection actions, or generates write control data, thereby reducing erroneous statistics of records induced by collection actions and improving the reliability of the analysis.