40 results about "Error detection and correction" patented technology

The invention relates to an information transmission method and device and a storage medium, and the method comprises the steps: S1, obtaining a predicted value of information transmission efficiency based on real-time network bandwidth data; s2, based on the predicted value of the information transmission efficiency, in combination with a real-time network load, carrying out capacity segmentation adjustment and sending priority configuration of the data packet, and generating data packet transmission configuration; s3, calculating data packet transmission time based on data packet transmission configuration in combination with a real-time network bandwidth, and determining a compression level of the data packet; s4, generating a hierarchical compression data packet based on a compression hierarchical calculation result; and S5, based on the hierarchical compressed data packets, performing error detection and correction in the transmission process, and performing data integrity verification on the transmitted data packets to generate an information transmission verification result. Compared with the prior art, the method has the advantages of reducing data transmission time, improving network utilization rate and the like.

The invention provides a photovoltaic array installation error detection and automatic correction system, and relates to the field of photovoltaic technology. The photovoltaic array installation error detection and automatic correction system comprises a data acquisition layer, the data acquisition layer is connected with an edge processing layer, the edge processing layer is connected with a central processing layer, the central processing layer is connected with an execution layer, the execution layer is connected with a user interaction layer, and the user interaction layer is connected with a management and maintenance layer. Through dynamic reference generation and self-learning optimization, an optimal angle reference can be intelligently generated according to real-time environment change, an error detection and correction algorithm can be continuously optimized, prediction and advanced adjustment functions are combined, calculation is carried out in advance, a correction instruction is issued, it is ensured that the photovoltaic panel is always located at the optimal power generation position, and the power generation efficiency is improved. And meanwhile, an unattended automation technology is utilized, so that the maintenance cost and the manpower demand of the system are reduced, and the overall operation efficiency and reliability are improved.

The invention discloses an AI-based online homework correction method and system, and the method comprises the steps: carrying out the feature extraction of text content, logic structure and language expression through a multi-dimensional feature extraction model according to the homework data submitted by a student; according to the multi-dimensional feature vectors, a subject knowledge base and logical reasoning rules are combined, and error detection and correction are conducted through a logical reasoning network; according to the homework feature vector, in combination with a teacher scoring standard and a student ability evaluation index, performing scoring and ability analysis by using a dynamic scoring and ability evaluation model; and generating a personalized feedback report by using a generative adversarial network according to a scoring result and a capability evaluation result. According to the embodiment of the invention, various errors in the homework can be efficiently and accurately identified and corrected, personalized feedback is provided, and the quality and effect of online education are improved.

A system determines an accuracy of a set containing a plurality of sensor location measurements of a client device and generating a set of sensor location measurements labeled with an associated accuracy estimate, is presented. The system receives a plurality of sensor location measurements of the client device generated by a location sensor. The system may determine the accuracy of a sensor location measurement by comparing the sensor location measurement to a reference location measurement, such as VIO location measurements computed using VIO data. The system computes a first set of location translations for the set of sensor location measurements and a second set of location translations for the set of VIO location measurements. The system may calculate a measurement difference between each corresponding pair of location translations from the first and second set, identify measurement differences that exceed a threshold, and label the corresponding sensor location measurement as inaccurate.

The invention discloses a multi-angle light source control system and a multi-angle light source control method. The multi-angle stroboscopic light source control system is composed of a main control board, a power board, an external trigger, an external input signal, an IO output control, a network port and a serial port. A PWM control module is developed based on the FPGA, an adaptive algorithm is introduced, and the PWM signal frequency and duty ratio are adjusted according to the real-time ambient light intensity; designing an intelligent interface detection function, automatically identifying the type of connection equipment and adjusting configuration; formulating a communication protocol between the main control board and the upper computer, and introducing an error detection and correction mechanism to improve the communication reliability; a dynamic control algorithm is designed, and the main control board adjusts light source brightness and working modes in real time according to sensor feedback; designing a power board, and adjusting the brightness of each light source channel according to the output signal of the main control board. By optimizing the multi-angle light source control method, more uniform illumination distribution is realized, and the imaging quality of the short-wave infrared camera is improved. Through integrated design, hardware requirements are reduced, and the overall structure of the system is simplified.

A system (100) for automated data migration and reconciliation in Oracle Cloud implementations, the system (100) comprising: a data extraction module configured to retrieve data from multiple sources, including legacy databases, on-premises systems, and third-party cloud environments; a data transformation and mapping module configured to convert extracted data into Oracle Cloud-compatible formats while performing data cleansing, deduplication, and normalization; a data load module configured to transfer transformed data to Oracle Cloud using high-speed and parallel processing techniques; a real-time data validation and reconciliation module configured to compare the migrated data with the source data using checksum verification, anomaly detection, and reconciliation algorithms; an AI-based error detection and correction module configured to detect missing records, duplicate entries, and formatting discrepancies and apply automatic corrective actions; a security and compliance module configured to enforce encryption, access controls, and regulatory compliance checks during the migration process; and a performance optimization and monitoring module configured to optimize cloud resource usage and provide real-time reports on migration status and data integrity.

The present invention discloses a high-precision pixel automatic correction method for a glass-based display screen, which includes the following steps: data acquisition, pixel position and brightness mapping modeling, error detection and correction data calculation, pixel correction and control circuit implementation, and dynamic adaptive adjustment mechanism. The present invention has the following advantages and effects: The present invention can monitor and correct each pixel of the display screen in real time to ensure high-precision display effects under different environmental conditions; at the same time, the pixel correction realizes fully automated and high-precision control from data acquisition, modeling to error detection, correction and dynamic adjustment, which not only significantly improves the display effect of the display screen, but also has good environmental adaptability and applicability, meeting the requirements for high-quality display effects in different scenarios.

The invention belongs to the field of data storage, and particularly relates to an integrated circuit big data storage optimization system which comprises a data control module, a storage unit module, a data caching module, an error detection and correction module, a data compression module, an address mapping module and a power management module. And the storage unit module is used for controlling and managing the read-write operation of the data, and is used for determining the structural design of the storage unit and monitoring the state of the storage unit. According to the integrated circuit big data storage optimization system, the storage capacity is greatly improved by adopting a novel nonvolatile memory technology and an optimized storage unit structure and material, and meanwhile, the read-write speed of data is remarkably improved by adopting an intelligent cache replacement strategy, a multi-level cache structure, a cache prefetching technology and the like, so that the storage efficiency of the integrated circuit big data is improved. In this way, in a big data storage scene, a large amount of data can be quickly stored and read, and the high requirement of the modern information technology for data processing is met.

To provide a monitoring control device capable of providing information usable to identify occurrence factors of bit errors in stored data.SOLUTION: Monitoring control devices 1a, 1b for monitoring facilities include: data creation parts 12 for creating monitoring control data on monitoring and controlling of facilities; information addition parts 13 for adding time stamps on the created monitoring control data when the monitoring control data are created; and coding parts 14 for creating check bits for detecting and correcting errors objective for the monitoring control data on which the time stamps are added to write them in store parts 15 by adding the created check bits to the monitoring control data in a state where the time stamps are added.SELECTED DRAWING: Figure 4

A semiconductor memory device that can easily recognize the content of errors in data is provided. The semiconductor memory device includes a memory cell array, an error detection and correction circuit, and an input / output circuit. The memory cell array includes a plurality of memory cells. The error detection and correction circuit detects and corrects error bits included in the data output by the memory cell array. The error detection and correction circuit activates an error detection signal when the data includes a correctable error bit. The input / output circuit stops the clocking of the data strobe signal output with data when the data includes uncorrectable error bits.

The present invention relates to an information transmission method, device, and storage medium, wherein the method comprises: step S1: obtaining a predicted value of information transmission efficiency based on real-time network bandwidth data; step S2: based on the predicted value of information transmission efficiency and in combination with real-time network load, adjusting the capacity division of data packets and configuring the transmission priority, thereby generating a data packet transmission configuration; step S3: based on the data packet transmission configuration and in combination with real-time network bandwidth, calculating the data packet transmission time and determining the data packet compression level; step S4: generating a hierarchically compressed data packet based on the compression hierarchical calculation result; and step S5: performing error detection and correction during transmission based on the hierarchically compressed data packet, performing data integrity verification on the transmitted data packet, and generating an information transmission verification result. Compared with the prior art, the present invention has the advantages of reducing data transmission time and improving network utilization.

A NOR-type flash memory suitable for protection of data requiring high reliability and a method of operating the same are provided. The NOR-type flash memory of the present invention comprises: a memory cell array comprising a plurality of memory cells; an ECC circuit that performs error detection and correction of data read from the boot save area of the memory cell array; a means for storing, in the startup management area, identification information for identifying the error form of the faulty memory cell that has been subjected to error detection and correction by the ECC circuit; and a recovery component that recovers the faulty memory cell based on the identified error form to eliminate the error of the faulty memory cell.

To provide a semiconductor storage device having an OTP memory in which an ECC function with high yield is installed and a control method thereof.SOLUTION: A semiconductor storage device 1 includes: a storage unit 20, which is a one-time programmable memory, having a data memory 21 in which replacement address information of a defective memory cell in a memory cell array 50 detected during a redundancy rescue operation is written, and a check bit memory 22 in which check information added correspondingly to the replacement address information is written; and an error detection and correction unit 30 that performs error detection and correction of the replacement address information based on the check information. The data memory 21 has a unit to which the replacement address information can be written, and the error detection and correction unit is configured not to perform error detection and correction when one of replacement address information and check information corresponding to the replacement address information is written to one unit, and another replacement address information is written to the one unit.SELECTED DRAWING: Figure 1

The application provides a system and method for dual-BIOS starting of a spatial high-performance processor, comprising: a controller, configured to read a BIOS program before the processor is powered on, check the correctness of the BIOS program, correct BIOS program data errors if any, and forward the BIOS program that passes the check to the processor through an interface converter after the processor is powered on; the controller is also configured to control the power supply and reset of the processor, monitor the starting state and running state of the processor; and update the memory based on an update instruction; a memory, comprising a first BIOS memory and a second BIOS memory, configured to store the BIOS program and the check result of the controller; and a processor, configured to receive the BIOS program of the controller; the application can realize error detection and correction of single-bit errors, and can timely discover and correct single-bit errors through updating, thus meeting the demand of complex computing tasks and ensuring the stability and reliability of the system.

A memory device, such as a MRAM device, includes a plurality of memory macros, where each includes an array of memory cells and a first ECC circuit configured to detect data errors in the respective memory macro. A second ECC circuit that is remote from the plurality of memory macros is communicatively coupled to each of the plurality of memory macros. The second ECC circuit is configured to receive the detected data errors from the first ECC circuits of the plurality of memory macros and correct the data errors.

The invention discloses a double-driven-shaft synchronous error correction system based on grating displacement detection, and relates to the technical field of grating detection, the double-driven-shaft synchronous error correction system comprises a double-driven-shaft structure, the double-driven-shaft structure comprises a moving frame, a transverse moving screw rod is rotatably installed on the moving frame, a sliding rod is fixedly installed on the moving frame, and a moving sliding block is slidably installed on the sliding rod; the moving sliding block and the transverse moving screw rod are in threaded fit, a moving sliding rod is fixedly installed on the moving sliding block, an adjusting sliding block is installed on the moving sliding rod in a sliding mode, a turnover frame is rotatably installed on the adjusting sliding block, a sliding sleeve is rotatably installed on the turnover frame, a grating emission source is installed on the sliding sleeve in a sliding mode, and a transverse moving sliding frame is installed on the moving frame in a sliding mode. Double-driven-shaft synchronous movement detection is carried out on grating displacement, and error detection and correction are carried out by comparing the overlapping degree of two groups of symmetrical gratings.

Embodiments of the present application relate to early error detection and automatic correction techniques for storage elements to improve reliability. A semiconductor chip with error detection and correction includes a plurality of pipelines and each pipeline is coupled to one or more ports on the semiconductor chip. The semiconductor chip further includes a state machine coupled to the pipeline to generate a number of events consisting of read-type events and / or scan-type events associated with a plurality of storage elements. The state machine is implemented in hardware and can collectively detect and correct erroneous memory entries across the plurality of storage elements.

The present application provides a semiconductor memory device, which can shorten the processing time of error detection and correction. The flash memory (100) of the present application has a NAND chip (200) and an ECC chip (300). The NAND chip (200) has a dedicated input / output terminal (220) for transmitting data between the NAND chip (200) and the ECC chip (300), and the ECC chip (300) has a dedicated input / output terminal (320) for transmitting data between the NAND chip (200) and the ECC chip (300). When the readout operation is performed in the NAND chip (200), the NAND chip (200) transmits the readout data containing the parity data to the ECC chip (300) via the dedicated input / output terminal (220), and the ECC chip (300) performs error detection and correction of the readout data based on the parity data, and transmits the corrected data to the controller (400) via the input / output terminal (330).

The invention relates to the technical field of mine unmanned driving man-machine interaction, and particularly discloses a collaborative loading device and system for an unmanned mine vehicle, and the device comprises a loading point position adjustment module which is used for carrying out the initialization of a loading point position according to the loading data information of loading equipment, carrying out position and posture adjustment and intelligent maintenance of the loading point position; the mine vehicle scheduling module is used for carrying out queue planning of the unmanned mine vehicles and carrying out error detection and correction on loading points when the unmanned mine vehicles enter a loading area; and the mine vehicle abnormity processing module is used for monitoring the running state of the unmanned mine vehicle in real time and performing abnormity classification processing when the unmanned mine vehicle is determined to be abnormal according to the running state of the unmanned mine vehicle. According to the cooperative loading device for the unmanned mine vehicle, cooperative loading of the loading equipment and the unmanned mine vehicle is achieved through accurate positioning of the loading point position, intelligent matching of the loading strategy and safety linkage control.

The invention relates to the field of satellite remote sensing data processing technology, and in particular to a satellite image tremor error detection and correction method based on infinite filtering fusion, comprising the following steps: S1, band separation of multispectral images: band separation of original multispectral images; S2, image enhancement processing: Wallis filtering image enhancement processing of multispectral images of each band; S3, dense matching and registration error acquisition of multispectral images: dense matching to obtain relative registration error, and dense ground control point matching to obtain absolute registration error; S4, H-infinity filtering fusion: selecting a combination to obtain a fusion result; S5, bicubic interpolation image compensation: using the fusion result to compensate the image by using a bicubic interpolation method. The invention makes full use of their respective advantages and avoids their disadvantages, thereby realizing more accurate calculation and estimation of the absolute jitter error of the satellite platform tremor.

The present invention provides a semiconductor memory device and a readout method, which can realize high-speed error detection and correction processing and achieve miniaturization. The flash memory (100) of the present invention has a NAND chip (200) and an ECC chip (300). The NAND chip (200) includes a memory array and a page buffer / sensing circuit including a latch (L1) and a latch (L2). The ECC chip (300) includes RAM_E and RAM_O. The RAM_E and RAM_O store readout data output from the latches (L1, L2) of the NAND chip (200). RAM_E stores data of even-numbered sectors, and RAM_O stores data of odd-numbered sectors. The data size of RAM_E and RAM_O can be reduced by making RAM_E or RAM_O alternately store sector data.

The present invention provides a semiconductor storage device and an error detection and correction method, achieving coexistence of error detection and correction capabilities and write or read performance. The error detection and correction method of the flash memory of the present invention includes: a setting step of setting selection information for selecting a first error detection and correction function for performing 1-bit error detection and correction or a second error detection and correction function for performing multi-bit error detection and correction; and an execution step of executing the first error detection and correction function or the second error detection and correction function based on the set selection information during a read operation or a write operation.

To provide a game play analysis system capable of not only determining the presence or absence of a malfunction of a game but also specifying the details of the malfunction and providing such information to developers or the like.SOLUTION: A debug processing device 10 is a device for performing debugging (error detection and correction) for a given game executed by a game device 20, and is configured to execute a game play analysis process that analyzes the content of game play during game execution on the basis of predetermined determination criteria (information) and game play information output from the game device 20, and notify an administrator of information related to the analysis content of the game play.SELECTED DRAWING: Figure 4

The present invention discloses a multi-temporal InSAR phase unwrapping method, terminal and storage medium for urban areas, the method comprising: obtaining a number of registered radar images, generating a plurality of interference graphs according to a multi-main image interference network strategy, calculating the preliminary unwrapping phase of the time dimension of the plurality of interference graphs; calculating the height difference on the corresponding arc segment, screening the arc segment with a preset height difference; controlling the measurement points on the screened arc segment to detect, selecting the measurement points with preset elevation values, and constructing a constraint network according to the selected measurement points; calculating the accuracy of the parameters to be estimated for each arc segment in the constraint network, and optimizing the spatial grid structure of the constraint network according to the accuracy; obtaining the unwrapping phase of the measurement point, performing error detection and correction on the unwrapping phase, and estimating the surface deformation information and elevation information of the study area. The present invention can take into account the building height and the spatial network observation structure, and improve the quality of phase unwrapping in urban areas.

A NOR type flash memory suitable for protecting data that requires high reliability and an operating method thereof are provided. [Solution] A NOR type flash memory 100 of the present invention includes a memory cell array 110 including a plurality of memory cells, an ECC circuit 130 that performs error detection and correction of data read from a boot storage area 112 of the memory cell array 110, a means for storing in a boot management area 210 identification information that identifies the error mode of a fail cell whose error has been detected and corrected by the ECC circuit 130, and a recovery means for recovering the fail cell so that the error in the fail cell is eliminated based on the identified error mode.

The invention discloses a high-precision pixel point automatic correction method for a glass-based display screen. The method comprises the following steps of data acquisition, pixel point position and brightness mapping modeling, error detection and correction data calculation, pixel correction and control circuit implementation and dynamic adaptive adjustment mechanism. The method has the following advantages and effects that each pixel of the display screen can be monitored and corrected in real time, and high precision of the display effect under different environmental conditions is ensured; meanwhile, pixel point correction is automatically and precisely controlled from data acquisition and modeling to error detection, correction and dynamic adjustment in the whole process, the display effect of the display screen is remarkably improved, good environmental adaptability and applicability are achieved, and the requirements for the high-quality display effect in different scenes are met.

The invention discloses a multi-scene-oriented SRAM (Static Random Access Memory) adaptive error detection and correction control system and method, and relates to the technical field of SRAM unit error detection and correction, the system comprises a sensor, a sensor threshold judgment module, a CPU (Central Processing Unit), a register module, a parity check threshold judgment module and an intelligent decision control module; the CPU is connected with the register module through a CFGBUS bus; the output end of the register module is respectively connected with the sensor threshold judgment module and the parity check threshold judgment module; the output end of the sensor is connected with the sensor threshold judgment module; the intelligent decision control module is connected with the sensor threshold judgment module, the parity check threshold judgment module and the register module. According to the invention, through a multi-parameter sensing intelligent decision-making mechanism, the error processing strategies of different levels are dynamically and adaptively switched, so that on-demand optimization and real-time balance of chip performance, power consumption and reliability are realized.

The invention discloses a multi-SOC-based camera controller on-orbit autonomous reconstruction system and method, and relates to the technical field of space camera master control. The invention aims to solve the problem that the single event effect (such as function error or disorder) of the SOC device is easily caused in the space intense radiation environment in the prior art. Comprising a main control unit, an SPI communication data line, a switch channel unit, a FLASH storage unit, a CAN bus communication unit, an RS-422 bus communication unit, a focusing control unit and a temperature control and detection unit. According to the invention, three SOCs are adopted to form hardware redundancy, on-orbit autonomous error detection and correction functions are realized, and the operation stability and reliability of the camera controller in a harsh space radiation environment are effectively improved. The switch channel unit is adopted to dynamically allocate the peripheral control right, when a certain SOC fails, the SOC can be seamlessly switched to a normal SOC to take over a peripheral channel of the SOC, and the function continuity is guaranteed; and after the fault SOC is recovered, the default configuration can be automatically switched back.

The invention provides an electric energy metering error monitoring method based on a transformer area terminal, belongs to the technical field of Internet of Things, and is used for realizing clustered electric energy metering error detection and correction through the transformer area terminal. The method is applied to a transformer area terminal, and the method comprises the following steps: in response to the transformer area terminal to charge an electric energy test device, the transformer area terminal obtains N electric energy metering values obtained by metering the electric energy test device by N electric energy metering terminals, and N is an integer greater than or equal to 1; the station area terminal determines respective electric energy metering errors of the N electric energy meters according to an electric energy charging value of charging the electric energy test equipment by the station area terminal and the N electric energy metering values; and the station area terminal corrects the respective electric energy metering of the M electric energy metering terminals according to the respective electric energy metering errors of the N electric energy metering terminals, the M electric energy metering terminals comprise N electric energy metering terminals, and M is an integer greater than N.

The invention discloses a mechanical arm control method and device capable of resisting single event upset, and the mechanical arm control method adopts a first processing unit with an error detection and correction function and a second processing unit without the error detection and correction function for control. Wherein an algorithm execution module of the second processing unit is embedded in the first processing unit, and the method comprises the following steps: the first processing unit receives a mode switching instruction sent by an external control end, and determines a mode flag bit according to the mode switching instruction; the first processing unit receives a mechanical arm control instruction; when the mode flag bit is in a first state, the first processing unit forwards a received mechanical arm control instruction to the second processing unit for execution; and when the mode flag bit is in the second state, the first processing unit calls the algorithm execution module to directly execute the mechanical arm control instruction. According to the invention, single event upset resistance can be realized with low cost and high reliability.