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388 results about "DataOperation" patented technology

Safety monitoring method and system for financial information service platform

The invention provides a safety monitoring method and system for a financial information service platform. Wherein a collaborative encryption transmission channel between a budgeting unit and an auditing department is constructed, a joint key is generated based on a multi-party computing protocol, and the ciphertext operation authority of a sensitive field is dynamically configured; performing ciphertext variance calculation and regression analysis on the encrypted budget execution record through the security operation node, generating a verifiable statistical result, binding the authority, and synchronously updating the sensitive field access frequency; a hierarchical security threat baseline is generated in combination with permission, frequency and historical query records, and cross-project high-frequency query and data operation deviation are associated; and when the query deviates from the baseline, calculating the risk confidence coefficient according to the deviation, triggering multi-party verification path adjustment and collaborative alarm, and dynamically limiting the ciphertext permission of the abnormal query. According to the technical scheme provided by the invention, cross-department data security sharing and dynamic risk collaborative prevention and control are realized.
Owner:BEIJING TAIJI HUAQING INFORMATION SYST CO LTD

Operation method, processor, and computing device

PCT designated stage expiredWO2024244476A1Digital data processing detailsComputer hardwareSign bit
Embodiments disclosed in the present application relate to the technical field of computing, and in particular to an operation method, a processor, and a computing device. The method is executed by a processor comprising a data transfer unit and a data operation unit, and comprises: the data transfer unit acquiring an activation vector and a quantized weight vector in an AI model, the weight vector being an integer, and the activation vector being a floating point number; the data transfer unit inputting to the data operation unit a sign bit and a mantissa bit of each element in the weight vector as a sign bit and a mantissa bit of the floating point number having an index of 0, and inputting each element in the activation vector to the data operation unit; the data operation unit performing a vector operation on the inputted weight vector and activation vector, to obtain an operation result. Using the present application, operations can be performed on an integer number and a floating point number in the data operation unit. Thus, when an AI model is quantitatively compressed, it is possible to only compress the weight data, and the impact of quantitative compression on the precision of the AI model can be reduced.
Owner:HUAWEI TECH CO LTD

Neural network accelerator, method and electronic chip

The invention discloses a neural network accelerator, a method and an electronic chip, and the neural network accelerator comprises a direct memory access module, a global control module, an operation module and an on-chip storage module. The direct memory access module is used for loading feature data, weight data and instruction data; the direct memory access module reads the feature data and the weight data from the on-chip storage module, distributes the feature data and the weight data to the operation module, and writes an operation result back to the on-chip storage module; the global control module is used for distributing stored instruction data to the operation module to perform control information configuration on the operation module when a work starting instruction is received; the operation module is used for controlling and executing neural network operation based on a Winograd algorithm according to the instruction data distributed by the global control module; and the on-chip storage module is used for storing the loaded feature data, the weight data, the operation intermediate data and the operation result data. The method is suitable for efficiency improvement and power consumption reduction of neural network operation.
Owner:PEKING UNIV +1

Data operation method of model and related device

The invention relates to a data operation method of a model, which is applied to the operation of an artificial intelligence (AI) model. In the method, based on an input tensor of an operation in an AI model during actual operation, a calculation graph corresponding to the operation in the AI model is compiled into a byte code instruction, and then the byte code instruction is interpreted and operated through a virtual machine which is pre-configured with a corresponding processing function, so that the operation in the AI model is executed. The execution of a traditional tedious compiling process is effectively avoided, and the running time of the AI model is shortened.
Owner:HUAWEI TECH CO LTD

Data model construction and simulation method for mathematical data operation processing

The invention relates to a data model construction and simulation method for mathematical data operation processing. The method comprises the steps that self-supervised learning is conducted on multi-modal data of a physical system corresponding to a mathematical data operation processing scene, and a unified embedding space is constructed; based on the unified embedding space, constructing a quantum-neural differential equation hybrid model; based on a digital twin interface, synchronizing a physical system and a simulation environment according to the quantum-neural differential equation hybrid model to obtain a simulation result; and based on a simulation result, dynamically adjusting model parameters of the quantum-neural differential equation hybrid model through reinforcement learning to obtain a corrected quantum-neural differential equation hybrid model. According to the method, precise modeling and efficient simulation of the physical system in a complex mathematical data operation processing scene and dynamic optimization of model parameters are achieved, the simulation precision and adaptability to the physical system are effectively improved, and the problems of multi-modal data fusion processing, complex physical system dynamic evolution simulation and the like can be better solved.
Owner:新疆理工学院

Source network load storage energy flow intelligent regulation and control system and method based on cloud computing

The invention relates to the technical field of power grid power supply balance regulation and control processing, and discloses a source network load storage energy flow intelligent regulation and control system and method based on cloud computing, and the system comprises a source network load storage operation state analysis module, a source network load storage energy flow regulation and control parameter analysis module, and a source network load storage energy flow regulation and control execution module. A power load supply-demand difference value of a power grid side of a target power supply area is accurately counted based on data operation, and power load regulation and control objects required by the power grid side of the target power supply area are intelligently screened in combination with an intelligent recognition algorithm and regulation and control feature information and identity feature information of the power load regulation and control objects of the target power supply area. Scientific and dynamic matching of a power grid side power load regulation and control object of a target power supply area is realized, the power energy flow regulation and control precision and efficiency of a power supply side, an energy storage side and a power grid side in source grid load storage are improved, and the operation safety and the power resource utilization efficiency of a power system are improved.
Owner:弘奎(西安)智能科技有限公司

Arbitration strategy verification method and system and related equipment

The embodiment of the invention provides an arbitration strategy verification method and system and related equipment, and the method comprises the steps: obtaining a continuous memory access request transaction of a to-be-tested design carrying a request mark used for indicating a special arbitration strategy verification scene corresponding to a continuous memory access request, and recording the continuous memory access request transaction into an atomic transaction queue based on the request mark; the continuous memory access request at least comprises a floating point atomic request and a read request corresponding to the same address, and the read request is a 64B read request and / or a 128B read request; obtaining a request response transaction including response data of the to-be-tested design, wherein the response data is data in a cache before the floating point atomic request is executed; if the operation type of the request response transaction obtained through execution is floating point atomic operation, reference data of the continuous memory access request is obtained through calculation based on the continuous memory access request transaction recorded in the atomic transaction queue; and comparing whether the reference data is the same as the response data, if so, passing the arbitration strategy verification, thereby ensuring the data operation accuracy of the chip.
Owner:HYGON INFORMATION TECH CO LTD

Digital receiver signal demodulation method, system and device and storage medium

The invention discloses a digital receiver signal demodulation method, system and device and a storage medium, and relates to the technical field of communication software radio, and the method comprises the steps: obtaining a complex signal, and judging the quadrant of the complex signal on a coordinate system; rotating the complex signal to a first quadrant of a coordinate system according to absolute values of a real part and an imaginary part of the complex signal; determining the rotation angle and the number of iterations of the complex signal; the complex signal is subjected to multiple times of iterative rotation according to a specific rotation angle until the last iteration result is close to a real axis, and the complex signal and the iterated phase of the complex signal are output; performing error compensation on the real part of the output complex signal to serve as the amplitude of the output complex signal, and restoring the iterated phase according to the quadrant to which the initial complex signal belongs to serve as the phase of the output complex signal; according to the method, a pipeline structure is adopted according to the iteration characteristics, the data throughput is increased, and the data operation efficiency is improved. And partial operation is replaced by adopting a table look-up form, so that the resource overhead is saved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Internet-of-vehicles computing unloading method based on Rainbow DQN

Along with rapid development of an artificial intelligence technology, calculation-intensive applications generally need a large number of calculation resources, but the calculation resources of mobile terminal equipment (such as vehicles) are often limited, so that the requirements of the applications are difficult to meet. In order to solve the challenge, the invention provides a deep reinforcement learning method based on a Rainbow DQN algorithm, and the deep reinforcement learning method is specially used for solving the problem of calculation unloading in the V2X (Vehicle-to-Everything, V2X). Under the condition of considering task characteristics and system resources, according to the capability differences of various computing units of cloud, edge and end in the aspects of data operation, analysis, decision making and the like, the method integrates multiple improved deep reinforcement learning methods, aims to solve the problem of insufficient computing capability of end vehicles, optimizes the time delay and energy consumption of the whole system, and improves the system performance. The problem of calculation unloading in an Internet of Vehicles scene is solved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Server

The invention discloses a server, and relates to the technical field of servers, the server comprises at least one mainboard and at least one backboard, each mainboard comprises a central processing unit, the central processing units are mutually independently arranged, each backboard is provided with at least one hard disk, each hard disk is based on a disk sequence of the hard disks, and each hard disk is provided with at least one hard disk. According to the technical scheme, the central processing unit is connected with the nearest central processing unit, so that the central processing units can independently operate and execute the functions of data storage and data operation, the problem of load imbalance existing in the multiple central processing units in the server can be avoided, and the operation efficiency in a multi-processor mode is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Data processing device, chip product, computer equipment and data processing method

The embodiment of the invention discloses a data processing device, a chip product, computer equipment and a data processing method. The data processing device comprises an instruction decoding module, a data moving module and a plurality of calculation units; wherein the instruction decoding module is used for receiving a calculation instruction based on open source instruction set architecture RISC-V extension; the data moving module is used for responding to the calculation instruction and determining a prediction configuration parameter to be used by a target calculation unit corresponding to the calculation instruction; the calculation unit is used for utilizing a target calculation unit corresponding to the calculation instruction to obtain configuration parameters to be used by the target calculation unit when the calculation instruction is executed; and if the configuration parameter hits the predicted configuration parameter, performing unit configuration by using the predicted configuration parameter so as to perform data operation processing.
Owner:CHENGDU KAIYUAN COMPUTING ECOLOGICAL TECHNOLOGY CO LTD

Non-inductive cooperative regulation and control method and device for flexible load in building and medium

The invention discloses a non-inductive cooperative regulation and control method and device for flexible loads in a building and a medium. The method relates to the field of power control, and solves the problem that a high-precision and quick-response flexible load regulation and control scheme is lacked. According to the method, the problem of space-time correlation adaptation of the equipment is solved by collecting the running state, environment and personnel distribution multi-source heterogeneous real-time data of the equipment, constructing the topological dynamic graph of the equipment, outputting nonlinear space-time correlation information and capturing the dynamic thermal-mechanical coupling relation between the equipment in real time. A personalized regulation and control instruction is generated by an independent decision-making unit to replace a fixed threshold value; coupling disturbance is predicted in combination with associated information, initial PID parameters are compensated, it is ensured that the temperature adjusting amplitude is converged to a user perception threshold value, and frequent starting and stopping of equipment are avoided. The independent decision-making unit and PID compensation are both based on local data operation, and the instruction response period is shortened; differentiated control instructions are converted according to equipment sensitivity, a high-sensitivity area is finely regulated and controlled to ensure comfort, and a low-sensitivity area preferentially responds to power grid peak clipping.
Owner:HANGZHOU KAIDA ELECTRIC POWER CONSTR +1

Intelligent data report generation method and system and storage medium

The invention relates to an intelligent data report generation method and system and a storage medium, and relates to the technical field of report generation, and the method comprises the steps: obtaining the demand purpose information of a user for processing data and a demand viewing terminal; calling processing source data information of each data source based on the demand destination information; performing cross processing based on the processing source data information to form comprehensive data information; inputting the comprehensive data information into a preset data operation processing system to form report summary information; and according to the report summary information and the demand viewing terminal, analyzing and determining report display information, and outputting the report display information to the demand viewing terminal for display. According to the invention, the enterprise manager can conveniently and quickly know the operation condition of the enterprise.
Owner:KANGFU ZHUSHOU

Dimension reduction type data compression method of vehicle-mounted Ethernet

The invention provides a dimension reduction type data compression method for a vehicle-mounted Ethernet, and the method comprises the steps: obtaining a specific number of data frames of the vehicle-mounted Ethernet, and constructing a multi-dimensional data matrix of the vehicle-mounted Ethernet; respectively setting a compression parameter and a decompression parameter; performing dimension reduction type compression on the multi-dimensional data matrix by utilizing an activation function based on the compression parameters so as to obtain a low-dimensional data matrix capable of representing main characteristics of the multi-dimensional data matrix; decompressing the low-dimensional data matrix by using the derivative of the activation function based on the decompression parameter to obtain a reconstructed data matrix with the same dimension as the multi-dimensional data matrix; and calculating an error between the multi-dimensional data matrix and the reconstructed data matrix, and updating a compression parameter and a decompression parameter by using a back propagation algorithm and a gradient descent strategy to obtain a low-dimensional data matrix corresponding to a minimum error value. According to the method, the dimensionality and complexity of the data are reduced while the main features of the multi-dimensional data are reserved, so that the data operation efficiency is improved.
Owner:YANBIAN UNIV

Deep learning compilation optimization method based on active transfer learning

PendingCN120671781AProgram code adaptionComputer simulationsOperator schedulingData operations
The invention provides a deep learning compilation optimization method based on active transfer learning, and belongs to the field of deep learning compilation, and the method comprises the following steps: S1, generating operator scheduling, and extracting features as training data; the operator scheduling is to transform the data operation process of operators on deployment hardware; s2, selectively labeling data by adopting an active transfer learning method and pre-training the performance prediction model; the output of the performance prediction model is the expected time required for the operator to execute on the deployed hardware; s3, inputting an operator to be compiled, and performing automatic compiling by using the pre-trained performance prediction model; according to the method, an active transfer learning method is utilized to optimize the automatic compilation process of deep learning, so that the cross-hardware portability of a deep learning compiler is improved, and the deployment cost of a deep learning model on different hardware platforms is reduced.
Owner:SOUTHEAST UNIV +1

Data operation coding platform penetrating through full life cycle of rail transit project

The invention discloses a data operation coding platform throughout the full life cycle of rail transit engineering, which is used in the technical field of constructional engineering and comprises a design module used for selecting and managing design-level components in a design stage and inputting coding information related to design; the construction module is used for selecting and managing construction-level components in the construction stage and inputting coding information related to construction; the operation module is used for selecting and managing maintenance-level components in an operation stage and inputting code information related to maintenance; the operation module is used for operating the coding information input in the design module, the construction module and the operation module to generate a coding system; and the transmission module is used for transmitting related data among the design, construction and operation stages. According to the invention, each component is coded and calculated, so that the data can be freely combined and transmitted, and the identification degree, standardization, automation and sharing of the data are greatly improved.
Owner:CRRC P & D INSTITUTE CO LTD

Weight and volume combined belt conveyor mixing metering device

The invention belongs to the field of weighing of belt conveyors, and provides a mixed metering device of a belt conveyor, which combines weight and volume. The device is composed of a weight sensing system, a volume sensing system and a data comprehensive processing system, the weight sensing system obtains the instantaneous weight # imgabs0 # of a belt conveyor measuring area, the volume sensing system obtains the instantaneous volume # imgabs1 # of the belt conveyor measuring area, the instantaneous weight # imgabs3 # of materials is obtained by multiplying the instantaneous volume # imgabs1 # by the material density # imgabs2 #, and the instantaneous weight # imgabs0 # and the instantaneous volume # imgabs1 # of the belt conveyor measuring area are obtained. The data comprehensive processing system is responsible for data operation of the weight sensing system and the volume sensing system, data fusion between the weight sensing system and the volume sensing system is completed at the same time, # imgabs4 and # imgabs5 are fused to obtain the final instantaneous material weight # imgabs6, a volume metering module can be used for achieving compensation of a weight metering result, and the volume metering module can be used for measuring the instantaneous material weight # imgabs6. When the weight metering unit is verified and maintained, weight missing data can be supplemented.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

Data processing method and device, equipment and storage medium

The invention discloses a data processing method and device, equipment and a storage medium, and relates to the technical field of artificial intelligence, and the method comprises the steps: when a target tensor to be subjected to target arithmetical operation is obtained, determining a storage position span of each dimension in the target tensor, and at least according to a first target dimension with the maximum storage position span, obtaining a target arithmetical operation of the target tensor; and segmenting the target tensor into a plurality of sub-tensors. Thus, it can be guaranteed that the element distribution areas of all the sub-tensors are relatively concentrated, so that when equipment such as a graphics processor executing target data operation obtains the values of all the elements in the sub-tensors, the distributed sub-tensors do not need to be read from multiple storage areas, the data reading efficiency can be improved, the operation efficiency can be improved, and the user experience is improved. The problem that the bottleneck exists in the operation efficiency improvement in the related technology is solved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

On-chain enterprise risk identification method and system based on credit chain large model

InactiveCN119599788AStrong data processing abilityincrease flexibilityFinanceSemantic analysisData setBusiness enterprise
The invention discloses an on-chain enterprise risk identification method and system based on a credit chain large model. The system comprises a data preprocessing module, a model matching module, a weight parameter loading module, a data operation reasoning module, a risk prediction output module and the like. Large model training and optimization are carried out by integrating industry, region, type and other multi-dimensional data sets, a credit chain vertical type general model and a special model are formed, and the method can adapt to credit and risk prediction evaluation, monitoring and early warning of a single enterprise or an integrated enterprise in different supply chain and industry chain scenes. A more comprehensive, accurate and real-time solution is provided for enterprise management and industry supervision, and remarkable beneficial effects and advantages are achieved.
Owner:上海市经济信息中心(上海市公共信用信息服务中心)

Data transmission system and method based on SoC bus

The invention discloses a data transmission system and method based on an SoC bus, the data transmission system based on the SoC bus comprises a write control unit, a read control unit and an arbiter, and the write control unit and the read control unit are connected in parallel and then are arranged between the arbiter and slave equipment in series. According to the invention, the writing control unit and the reading control unit are arranged between the arbiter and the slave device, so that data operation is carried out in the data transmission process; specifically, when a write control unit receives a write enable signal sent by an arbiter, the write control unit performs caching and data calculation on a write address and write data, and writes cached calculation data into slave equipment; when the read control unit receives the read enable signal sent by the arbiter, the read control unit selects the bus read-back data according to the cache write address and the read address so as to reduce the storage access of the data processing module, thereby improving the data transmission efficiency and reducing the power consumption.
Owner:CHENGDU XINCAN TECH CO LTD

Privacy enhanced access control method for industrial Internet of Things

The invention discloses a privacy enhanced access control method for an industrial internet of things. The method comprises the following steps: step 1, generating and registering a key; step 2, data encryption and storage; step 3, access control and verification; and step 4, data calculation and decryption. According to the method, the security of a private key is protected through the uniqueness and non-replicability of a physical unclonable function (PUF), encryption state data operation is realized in combination with Paillier homomorphic encryption, and distributed access control and auditing are performed by using a block chain smart contract, so that security storage, access management and privacy protection of device data are realized, the security and efficiency of a system are effectively improved, and the security of the system is improved. The problems of security and privacy protection in the prior art are solved, and a more perfect security solution is provided for an industrial Internet of Things environment.
Owner:HARBIN INST OF TECH +1

Floating point operation unit of sine and cosine functions, floating point operation acceleration method, equipment and medium

The invention discloses a floating-point operation unit of sine and cosine functions, a floating-point operation acceleration method, equipment and a medium, and relates to the technical field of microprocessors, and the floating-point operation unit comprises an instruction fetching module which is used for obtaining a floating-point data operation demand, selecting a target multiply-add instruction based on the floating-point data operation demand, and sending the target multiply-add instruction to a decoding module; the decoding module is used for analyzing and extracting a table look-up index control signal and a multiply-add component switching signal in the target multiply-add instruction; the table look-up module is used for accessing the coefficient table according to the table look-up index control signal and reading the corresponding target Taylor expansion coefficient; the dynamic switching module is used for switching a data operation path according to the multiply-add component switching signal; and the SIMD multiplication and addition component is used for calling a corresponding data operation path to carry out floating point data operation on the target Taylor expansion coefficient and a source operand in the floating point data operation requirement, and outputting an operation result in a corresponding output format. Hardware is reused, multiple sets of independent circuits are not needed, dynamic bit width adjustment is supported, and the chip area is reduced.
Owner:NAT UNIV OF DEFENSE TECH

Calculation apparatus, calculation method, calculation system, chip, device, and medium

The invention provides a computing device, system and method, a chip, equipment and a medium. The computing device comprises a reading circuit, a computing circuit, a storage circuit, a control circuit and a plurality of first registers. The at least one first register is configured with task configuration information of the tasks, and the control circuit reads register information corresponding to the tasks one by one according to a preset mode; enabling a first register identified by a currently read register information to output first configuration information to a reading circuit, output second configuration information to a computing circuit, output third configuration information to a storage circuit, and controlling the reading circuit to perform time-sharing data reading according to the first configuration information of each task, and controlling the calculation circuit to perform data operation in a time-sharing manner according to the second configuration information of each task, and controlling the storage circuit to perform data storage in a time-sharing manner according to the third configuration information of each task, so that the resource utilization rate and the calculation efficiency of the calculation device can be improved.
Owner:BEIJING HORIZON INFORMATION TECH CO LTD

Data operation method for model, and related apparatus

A data operation method for a model, and a related apparatus, which are applied to the running of an artificial intelligence (AI) model. In the method, on the basis of an input tensor of an operation in an AI model during actual running, a computation graph corresponding to the operation in the AI model is compiled into a bytecode instruction, and the bytecode instruction is then interpreted and run by means of a virtual machine for which a corresponding processing function is pre-configured, such that the operation in the AI model is executed, thereby effectively avoiding the execution of a traditional tedious compiling process, and shortening the running duration of the AI model.
Owner:HUAWEI TECH CO LTD

Processor and method for solving processor data conflict and low-power-consumption execution

The invention discloses a processor and a method for solving processor data conflict and low-power-consumption execution. When instructions are dispatched, each long instruction is recorded into an OITF table item, and each long instruction is written back, the instruction is removed from the OITF table item; the long instruction which is dispatched but not written back is stored in the table item in the OITF; when each instruction is dispatched, the target information of the instruction is compared with the target information in each table item in the OITF so as to judge whether the instruction has a data conflict with a long instruction which is dispatched and not written back or not, when the data conflict is generated, an assembly line is blocked at a dispatching point, and after the data conflict is relieved, dispatching is continued, and in addition, the data conflict between the instruction and the long instruction is eliminated. And when the dispatched instruction is executed, data operation of different types of instructions is carried out through the shared data operation sub-module. The method can effectively solve the data conflict generated in the operation of the processor, and reduces the power consumption and area of the processor in the execution stage.
Owner:XIDIAN UNIV

Distributed energy generation power prediction method and system based on time-frequency characteristics

The invention discloses a distributed energy generation power prediction method and system based on time-frequency characteristics. The method comprises the following steps: collecting historical generation power time sequence data of distributed energy nodes needing to be predicted; historical power generation power time sequence data are input into an encoder, a self-attention layer of the encoder extracts dependency features of the sequence, and an STFT layer of the encoder extracts time-frequency features of the sequence; then adding the historical power generation power time sequence data, the sequence dependence feature extracted by the self-attention layer of the encoder and the sequence time frequency feature extracted by the STFT layer of the encoder, and obtaining an output encoding result of the encoder through a feed-forward layer; and finally, based on an output encoding result of the encoder, predicting a generated power sequence of the distributed energy nodes by using a decoder. According to the method, a self-attention mechanism and STFT are utilized to effectively capture the dependency relationship and the time-frequency characteristics between a large amount of distributed energy historical power generation data for a long time, sparse operation is introduced, the data operation amount is effectively reduced, and the accuracy of sequence prediction is improved.
Owner:STATE GRID HUBEI ELECTRIC POWER INFORMATION & TELECOMMUNICATION COMPANY +1

Data fitting method combining radial basis function optimization boundary and multivariate quadratic quasi-interpolation

PendingCN120179966AComplex mathematical operationsGaussian radial basis functionData set
The invention discloses a radial basis function boundary optimization and multivariate quadratic quasi-interpolation combined data fitting method, which comprises the following steps of: firstly, selecting m data points at two ends from a given data set, fitting boundary data by using Gaussian radial basis function interpolation, and adjusting function characteristics through shape parameters; and fitting all data including the boundary data by using a multivariate quadratic quasi-interpolation method, calculating a weight function of the data and the corrected data, and combining a boundary fitting function to obtain a final result. The method provided by the invention solves the problems that the traditional interpolation calculation is complex, the numerical value is unstable and the boundary processing precision is low, the calculation complexity is low, and the numerical value is stable and reliable; the application effect in the fields of mechanical design, fluid dynamics simulation and the like is remarkable, compared with traditional polynomial fitting, the boundary fitting error is reduced by at least two orders of magnitude, and the calculation efficiency is greatly improved.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

A method and system for identifying abnormal disturbance of optical cable

The present invention discloses a method and system for identifying abnormal disturbances in optical cables, the identification method comprising: collecting the backscattered Rayleigh scattering beat frequency signal of the optical cable; segmenting the backscattered Rayleigh scattering beat frequency signal, and processing it to obtain an amplitude grayscale image and a phase differential time domain signal; based on a pre-constructed recognition model, sequentially identifying the amplitude grayscale image and the phase differential time domain signal to be identified, and obtaining a disturbance identification result. The present invention can solve the problem of a large amount of data caused by a long sensor line in an actual optical cable monitoring scenario, reduce unnecessary data calculation and processing, and greatly improve the recognition efficiency and real-time performance.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +2

Data processing method based on multi-level cache

The invention relates to the field of low-altitude anti-null data processing, in particular to a large-data-volume data processing method based on multi-level cache. According to the invention, each functional module is independently bound with a CPU core, after the previous functional module finishes processing, result data is stored in a cache and a current writing position is recorded, and the next functional module regularly reads the buffered data and records a current reading position; each function module independently uses the bound CPU to carry out data operation, and the processing delays among the function modules are not superposed, so that the data processing real-time performance is improved.
Owner:WUHAN BINHU ELECTRONICS