117 results about "Transmission errors" patented technology

The invention discloses a wide-area time traceability credible authentication method in a power heterogeneous network environment, and belongs to the technical field of power system informatization and automation. Comprising the following steps: acquiring various high-precision time source information in a power heterogeneous network environment, and acquiring an initial time reference of the power system time synchronization device; generating uniform reference time, and embedding a digital watermark containing time source information and credibility thereof for each timestamp by using the digital watermark embedding module; controlling the power system time synchronization device to sequentially generate time transmission fingerprints at all levels of network nodes; constructing a unique time fingerprint chain covering the whole link; packaging the time fingerprint of each time transmission node and the traceability information thereof, and performing uplink storage; precise prediction and optimal control of time transmission errors are realized; if the overall cumulative time error exceeds a range of + / -10 [mu] s, the predictive correction is maintained until the error is controlled within + / -10 [mu] s.

The present application relates to transmission link early warning technical field, disclose a real-time analysis and early warning system for rotating machine pump vibration data based on edge side calculation, include: capture the physical layer error code time sequence of transmission link and build the differential error code time sequence vector which removes the influence of absolute time drift;A dynamic rotating virtual electric vector space is constructed in the edge computing node, and the gradient ascent algorithm is used to optimize the target functional which measures the phase clustering strength, and the virtual space rotating frequency is adaptively adjusted to lock the best virtual frequency which makes the error code projection most concentrated;Based on the best frequency, the probability density distribution of error code phase is reconstructed by using kernel density estimation, and the generalized Renyi entropy is calculated as the characteristic of transmission error code phase clustering dispersion degree;By comparing the entropy characteristic with the dynamic threshold based on the environmental noise base, the transmission link abnormality is determined.

The invention relates to the technical field of integrated circuits and computer hardware structures, and particularly discloses a transmission error positioning method, a control circuit, a main device and a bus system.The method comprises the steps that a transmission request from the main device is received; the transmission request comprises a transmission address and a transaction identifier; in response to the transmission request, converting the transmission address into a corresponding slave device identifier through hardware address decoding logic; storing a transaction identifier of the transmission request and a slave device identifier in an idle entry of a cache structure; receiving a transmission response from the interconnect fabric or the slave device; the transmission response comprises a transaction identifier and a response state; searching an entry matched with the transaction identifier in the transmission response in the cache structure; and when the item matched with the transaction identifier in the transmission response is found and the response state indicates that the response is wrong, latching the slave device identifier in the matched item. According to the scheme, transmission error positioning can be realized in a bus system supporting advanced transmission.

The invention provides an interface checking method, belongs to the field of automobile electronic software development, and unifies interface naming specifications. Creating a software component model according to the interface naming specification; performing interface verification according to the software component model to ensure the interface consistency between the software components and avoid subsequent problems caused by interface mismatching; potential problems such as data type mismatching and parameter transmission errors are found in advance, restoration can be carried out in an earlier stage, and the later modification cost is reduced. The integration risk is minimized, normal and stable interaction between software components is ensured, and the workload and time cost in the integration test stage are reduced.

A position error monitoring method and control system of a rotating mechanism, in the position error monitoring method of the rotating mechanism, angular position data of an encoder of a first motor and an encoder of a second motor are acquired as first position data during a process; then, during a non-process, the relative speed between the first motor and the second motor is adjusted while the rotating mechanism remains in a rotating state, so that the relative position of the first rotating part and the second rotating part is dynamically adjusted to a preset calibration phase, and second position data are acquired during operation at the calibration phase; the transition from the process phase to the calibration phase can be completed without stopping the rotating mechanism, time loss and mechanical impact caused by frequent start and stop are avoided, and the operation efficiency and productivity of the rotating mechanism are improved; in addition, whether there is a transmission error is determined by calculating the deviation value between the second position data and the first position data, which helps to find faults in time and improve the consistency and yield of the process.

The invention relates to the technical field of semiconductors, and discloses a wafer loading and unloading device and method.The device comprises an upper computer control system and further comprises a mechanical arm system and a detection table system which communicate with the upper computer control system; the mechanical arm system comprises a mechanical arm controller communicating with the upper computer control system, and further comprises a wafer storage box and a feeding and discharging mechanical arm which communicate with the mechanical arm controller, and the wafer storage box and the feeding and discharging mechanical arm communicate with the upper computer control system. The detection table system comprises a detection table controller communicating with the upper computer control system and a detection table communicating with the detection table controller. The problem that in the prior art, transmission errors are large is solved.

The invention discloses a hierarchical tensor decomposition and compression method for a radial sensor network. The hierarchical tensor decomposition and compression method comprises the following steps: (1) acquiring basic data; (2) carrying out hierarchical tensor modeling; (3) decomposing in branches; (4) fusing the branches; (5) performing adaptive quantization; (6) multi-hop collaborative coding; and (7) outputting compressed data. In order to solve the three core problems of multi-hop error accumulation, insufficient redundancy utilization among branches and poor dynamic adaptability in the radial sensor network, the method provided by the invention reduces multi-hop transmission error accumulation reduction by establishing a hierarchical tensor model, graph convolution fusion among the branches and adaptive multi-hop quantization, and improves the dynamic adaptability of the radial sensor network. And the transmission efficiency and the life cycle of the radial network are obviously improved.

The invention discloses a position error monitoring method and a control system of a rotating mechanism, and the method comprises the steps: obtaining the angular position data of an encoder of a first motor and an encoder of a second motor as first position data in a process processing period; then, in the non-process treatment period, the relative speed between the first motor and the second motor is adjusted in the rotating state of the rotating mechanism, the relative position of the first rotating component and the relative position of the second rotating component are dynamically adjusted to the preset calibration phase, and second position data are obtained in the calibration phase operation period; transition from a process phase to a calibration phase can be completed without stopping the rotating mechanism, so that time loss and mechanical impact caused by frequent start and stop are avoided, and the operation efficiency and the productivity of the rotating mechanism are improved; in addition, whether transmission errors exist or not is judged by calculating the deviation value between the second position data and the first position data, faults can be found in time, and the consistency and yield of process processing are improved.

This application belongs to the field of core communication engines for Internet Protocol dedicated switches (IP switches), specifically involving a SIP terminal health detection method, apparatus, and storage medium. The method includes: when a contact has configured a detection frequency, if the contact has successfully registered for the first time, marking the contact's status as reachable; otherwise, determining whether the contact's terminal is a peer relay terminal and whether the peer relay terminal's configuration is being loaded for the first time; if so, asynchronously pushing the detection task to a dedicated thread pool; otherwise, periodically scheduling according to the detection frequency; during periodic scheduling, for unregistered relays, returning to the next scheduling interval; otherwise, pushing the detection task to the dedicated thread pool; when a normal response is received, for unregistered relays, marking the contact's status as unreachable; if the response times out or a transmission error occurs, forcibly terminating all subsequent retransmission attempts. This application's solution can improve scheduling efficiency, resource utilization, and security.

The invention provides a self-calibration method and system for a VNA port extension test system and a test system, and the method comprises the steps: recalibration is carried out, so that a path between a VNA port and a corresponding switch matrix output port is in a disconnected state; the port transmits a signal and measures anti-radio frequency domain data in a disconnection state and time domain response of the anti-radio frequency domain data; time domain data of directivity errors, time domain data of reflection tracking errors and corresponding frequency domain responses are obtained through a first gating gate and a second gating gate; the drift distance of a reflection error item is calculated, and the directivity error and the reflection tracking error of each port are updated; performing S parameter measurement on the DUT to be measured; the drift distance of the ET is obtained according to the obtained drift distance of the reflection error term, and the transmission error term is updated based on the drift distance of the ET; and correcting the measurement data of the current DUT to be measured to obtain an accurate S parameter. According to the invention, a self-calibration function without interruption of production can be realized, and the test efficiency is improved.

An operating method of a memory device includes: transmitting, by a memory controller, data and transfer parity data to a non-volatile memory for each data line; performing, by the non-volatile memory, a counting operation to count a number of transmission error bits for each data line in the first group based on the first transmission parity data; performing, by the non-volatile memory, a determination operation to determine whether there is a transfer error for each data line in the second group based on the second transfer parity data; determining, by the non-volatile memory, whether a condition for performing retraining is satisfied based on a counting result generated from the counting operation and a determination result generated from the determination operation; and transmitting, by the non-volatile memory, transfer error state information to the memory controller when a condition for performing retraining is satisfied.

A method for improving the forward error correction in serial coding in a data transmission in a vehicle allowing the physical behavior on a transmission channel to always be deterministically controlled despite a reduction in the resource requirements. Tit errors are minimal and a transmission error can be corrected efficiently. In addition, encoders used are designed with a minimum number of gates and an interleaving is implicit in the proposed method, which is based on the fact that burst errors can be corrected particularly advantageously. This interleaving makes it possible to dispense with conventional buffer memory required for explicit interleaving. In addition, user data together with correcting metadata can be encoded advantageously. It can be ensured that not only the user data is line-coded or line-encoded, but also the correction data. Also provided is a system for implementing the method.

An operation method of a storage device that includes a storage controller and a non-volatile memory device comprises generating a plurality of pieces of transmission parity data respectively corresponding to a plurality of data lines, transmitting, a write command, data, and the plurality of pieces of transmission parity data to a first non-volatile memory through the plurality of data lines, performing a transmission error detection operation with respect to each of the plurality of data lines, based on each of the plurality of pieces of transmission parity data, determining that re-training execution conditions are satisfied, based on an error detection result generated in the transmission error detection operation, and, in response to a state read command, when the re-training execution conditions are satisfied, transmitting state information indicating a transmission error state to the storage controller.

A communication method and a related apparatus. In the method, a first communication apparatus sends first data obtained on the basis of N second bit blocks; then, first information received by the first communication apparatus indicates that M out of the N second bit blocks have been transmitted incorrectly; thereafter, the first communication apparatus can send second data on the basis of the first information, wherein the second data is retransmitted data of the M second bit blocks. In this way, during the transmission of first data, a receiver of the first data can use information carried by the same second bit block to parse (decode, etc.) information carried by at least two first bit blocks, such that the resource utilization rate can be improved, thereby enhancing the data transmission performance.

The invention discloses a data acquisition and processing method when the sampling frequency of high-speed cylindrical gear transmission error measurement is insufficient, and the method comprises the steps: 1, operating a gear at a low speed, checking the meshing condition and basic parameters of the gear, and guaranteeing that there is no abnormality; 2, after the output end completes rotation sampling every time, when the output end needs to rotate to the least common multiple circle of the tooth number of the two workpieces, sampling of the next cycle is carried out; 3, sorting all the sampling points according to the angle values corresponding to the sampling points from small to large; 4, calculating a relative transmission error value according to the input shaft rotation angle information and the output shaft rotation angle information corresponding to the arranged sampling points; based on the measured relative transmission error curve, the maximum value, the minimum value, the peak-to-peak value and the mean square error of the relative transmission error can be determined. The device is suitable for various working conditions including different rotating speeds, torques, loading powers and the like, design optimization, machining process improvement and transmission system performance improvement of the cylindrical gear are achieved, and development of the cylindrical gear transmission technology can be promoted.

This invention discloses a method for optimizing the dynamic transmission error distribution characteristics of a harmonic reducer, comprising: establishing a static transmission error probability model to obtain the probability distribution of the overall static transmission error; constructing a dynamic transmission error mathematical model considering static transmission error and dynamic parameters; constructing a high-precision surrogate model of dynamic transmission error including the probability distribution of static transmission error and the range of dynamic parameters; obtaining the probability distribution of dynamic transmission error; and dynamically adjusting the range of dynamic parameters based on a particle swarm optimization strategy to find the parameter range that optimizes the dynamic transmission error distribution. By introducing static transmission error into the dynamic model of the harmonic reducer, considering the influence of the processing and assembly of the harmonic reducer on the transmission error, a probability-range hybrid uncertainty model is used to mathematically describe the probability distribution characteristics of static transmission error and the range of dynamic parameters, and a Chebyshev polynomial method is used to construct an approximate model of dynamic transmission error.

The invention relates to the technical field of communication, in particular to a message recombination method and device, equipment and a medium. According to the method, firstly, the message length field is determined, then whether splitting is needed or not is judged by comparing the message length field with the maximum read request size, meanwhile, the transmission control parameters are obtained, it is ensured that the recombination strategy can accurately adapt to different parameter differences and message length characteristics, and the current situation that original recombination logic does not have unified specifications and is poor in adaptability is changed; secondly, the recombination logic is greatly simplified through the standardization process, transmission errors caused by rule chaos are avoided, meanwhile, targeted strategies are made according to different comparison results and transmission control parameters, and the stability of cross-chip data transmission is guaranteed; then, the scheme can be directly embedded into a lightweight SOC verification environment, does not need to depend on a lagged SOC system, can carry out a recombination function test in advance, effectively breaks through the limitation of the verification environment, greatly shortens the verification period, and improves the verification efficiency.

The invention discloses a multichannel HEMT amplifier power supply remote monitoring system for superconducting quantum measurement and control, belongs to the field of superconducting quantum calculation measurement and control, and particularly comprises a remote monitoring board card integrating a power supply system and a control system. The power supply system is adapted to a power supply interface of the superconducting quantum measurement and control case, converts an input power supply into a required stable voltage through a two-stage architecture of a switching power supply and a linear voltage regulator, and supplies power to the multi-path HEMT power supply module; the control system performs data interaction with the upper computer and the measurement and control case through the communication unit, controls the DAC module to adjust the output of the power supply module through the MCU, collects power supply parameters in real time through the ADC module, eliminates long-distance transmission errors in combination with a built-in error compensation algorithm, and achieves accurate monitoring and feedback adjustment of the working state of the HEMT. The system has the characteristics of multiple channels, high precision and easy expansion, noise interference can be effectively suppressed, and the stability and signal fidelity of the system are improved.

The invention relates to a method for generating an efficiently transmittable bit sequence with a limited degree of discrepancy and a limited run length. The proposed method allows a particularly efficient transmission of data over a transmission channel. Compared with the prior art, one of the advantages of the invention is that the physical behavior on the transmission channel can be certainly controlled all the time although the resource demand is reduced. Thus, according to the proposed method, bit errors are few, and transmit errors can be corrected efficiently (i.e., with little technical effort). Furthermore, the encoder used is designed to have a minimum number of gates, and interlacing is implied in the proposed method, which ensures that so-called burst errors can be particularly advantageously corrected.

The utility model discloses a main shaft encoder connecting structure suitable for a vertical lathe. The main shaft encoder connecting structure comprises a main shaft sleeve, an encoder, an encoding ring, a V-shaped belt wheel and a main shaft, the main shaft is fixedly sleeved with a main shaft sleeve, and the encoder is fixedly installed on a related part connected with the main shaft sleeve. The main shaft is connected with the V belt wheel, the V belt wheel drives the main shaft to rotate, the encoding ring is directly and fixedly installed on the V belt wheel, the V belt wheel rotates to drive the encoding ring to rotate, and the encoder measures rotation of the encoding ring, outputs corresponding signals and completes synchronous rotation with the main shaft. According to the utility model, the cost is reduced, the structure is simplified, the failure rate is low, the installation, manufacture and maintenance are easy, the number of parts is greatly reduced by adopting the installation mode of directly connecting the coding ring with the main shaft, the installation is obviously simpler, the manufacturing time and material cost of the machine are reduced, and the production efficiency is improved after the related structure of the synchronous belt is removed. The transmission error of the synchronous belt is eliminated, the measured value is directly imported into the encoder, and the accuracy and precision retentivity of data are improved.

This invention discloses a ventilator data processing method. It involves real-time acquisition of multimodal raw data, including respiratory waveform data, monitoring parameter data, and setting parameter data, through the ventilator's data transmission interface; establishing a temporal correspondence between data and operations in response to step-by-step adjustment operations by medical personnel; receiving effect evaluations from medical personnel and converting them into quantitative feedback labels; performing four-level preprocessing on the raw data: transmission error correction, data fragment reconstruction, missing parameter completion, and continuous waveform reconstruction; pairing the preprocessed data according to adjacent operation steps to construct state transition data pairs, with each state transition data pair associated with operation action information and quantitative feedback labels; and finally, performing structured encapsulation to output a structured training dataset for training artificial intelligence models. This invention achieves structured data acquisition and processing throughout the entire ventilator adjustment process, providing high-quality training data for the development of intelligent ventilator decision-making systems.

The present application relates to the technical field of DRAM circuit design, and particularly relates to a DRAM sensitive amplifier based on IO active compensation, a reading circuit and a module. The present application adds four transistors N6, N7, N8 and N9 in the traditional BLSA, the source of N6 and N7 is connected to SAN, the gate of N6 is connected to BLT, the drain of N6 is connected to the drain of N8, the gate of N7 is connected to BLB, the drain of N7 is connected to the drain of N9, the gate of N8 and N9 is connected to pre-column selection signal PCSL, and the source of N8 is connected to transmission line IOB; the source of N9 is connected to transmission line IOT. Before data transmission, the voltage of one of IOB or IOT transmitting 0 data is pulled down, so that the voltage difference between BLT and BLB is lower than the offset voltage of the sensitive amplifier, and data flipping and transmission of error data are avoided.

The application discloses an error tracing data processing system and relates to the technical field of electric digital data processing. In the cross-border transmission process of multi-source fund data, the system constructs a full-link traceable collaborative data set through link logic state matching; the heterogeneous data in the collaborative data set is parsed and converted with the established data conversion rule library to obtain standardized adaptive data; in the cross-link transmission and multi-node circulation process of the standardized adaptive data, transmission errors of single data interaction links and / or composite transmission errors in the superposition state of multi-link data circulation are identified, and error root cause positioning is realized through error tracing data processing.

The invention discloses a composite shot peening strengthening method and system for reducing transmission errors of spiral bevel gears, a storage medium and computer equipment, and relates to the technical field of gear surface strengthening, the composite shot peening strengthening method comprises the following steps: obtaining spiral bevel gears of different base materials, chemical components and processing technologies, and carrying out hardness detection to generate a training sample set; establishing a neural network model based on the sample set, inputting base material, component and process data, and training to obtain a gear surface hardness prediction model; relevant data of a gear to be subjected to shot blasting are obtained, the average surface hardness of the gear is predicted, and meanwhile geometrical characteristic parameters, environment characteristic parameters and surface structure parameters are collected; calculating a shape complexity influence index, an environment influence index and a surface structure influence index according to the predicted hardness value and the collected parameters; finally, shot peening strengthening process parameters are dynamically corrected according to the indexes, transmission errors are reduced, and the operation precision and stability of a transmission system are improved.

Disclosed in the present application are a communication method and apparatus. The method comprises: encoding first semantic information, in order to obtain first information, wherein the first information comprises M code blocks, a first bit position where a first bit is located within the M code blocks is determined on the basis of the priority of the first bit, the first bit is obtained by encoding first feature data comprised in the first semantic information, and the first feature data is feature data in original data corresponding to the first semantic information. In the embodiments of the present application, a bit position where a bit is located within M code blocks can be determined on the basis of the priority of the bit. For example, higher-priority bits can be located at higher-priority bit positions within the M code blocks. Higher-priority bit positions can have smaller transmission errors, and thus the error rate of the higher-priority bits during transmission can be reduced, thereby improving the accuracy of semantic information transmission, and thus increasing the success rate of recovering original data on the basis of the semantic information.

The application provides a vehicle-mounted video delay elimination method and system based on multi-thread optimization, comprising the following steps: acquiring original video frames through a video capture thread, and performing encoding processing on the original video frames through an encoder; performing network transmission operation on the encoded data through an independent network output thread; monitoring whether an error notification signal indicating network transmission is received during the running of the video capture thread; if not, the video capture thread and the network output thread continue to perform video capture, encoding and transmission operation; if yes, the video capture thread actively destroys the currently running network output thread, and creates and starts a new network output thread to restore data transmission. The application solves the video capture delay caused by the increase of the image processor load, and the resulting encoding and transmission data backlog, thereby solving the display delay problem of the front panel display, and realizing the fast self-recovery of the system in the event of transmission error.

The application belongs to the technical field of signal transmission, and discloses a method for eliminating analog signal transmission error through digital compensation, which specifically comprises the following steps: in addition to the original signal transmitting circuit part, a signal detecting part composed of MCU, ADC and a communication module is arranged at the signal transmitting end; a signal detecting part composed of MCU and ADC communication module and a control part capable of controlling the signal at the output end to be offset and gain varied are arranged at the signal receiving end; the signal at the receiving end is collected by the MCU to compare with the data of the transmitting end communication module, and the difference between the two data is calculated to obtain the correction value of the amplitude and offset; the gain and offset of the signal are changed by controlling the offset and gain circuit part at the receiving end, so that the transmission error is eliminated, and the gain and offset control method is realized by using DAC, PGA and other components; the deviation of the frequency response can also be calculated according to the requirement, and is corrected by the gain and offset control circuit part.

A communication method and apparatus. The method comprises: a data sending end sending a data packet to a data receiving end, wherein the data packet has undergone source coding; receiving retransmission instruction information sent by the data receiving end, wherein the retransmission instruction information is used for instructing to retransmit data having a transmission error in the data packet; and sending data error information to an application layer that performs source coding on the data packet, wherein the data error information comprises information about the data having the transmission error. In conventional communication processes, application layers cannot acquire transmission statuses of data over air interfaces, and therefore, conventional source coding has low resistance to air interface interference. However, in the described method, upon receiving the data error information, the data receiving end sends the information about the data having the transmission error to the application layer, such as an application layer of a terminal device or an application server, so that the application layer can perform source coding on the basis of a transmission status over an air interface, thereby improving the resistance of source coding to air interface interference, and improving user experience.

A computer-implemented method (100) for error correction encoding of source data transmitted in a communication network, where the transmitted data comprises tri-state qubits. The method comprises determining (101) a maximum number of transmission errors to be corrected in each codeword. The method further comprises creating (102) a strictly layered asymmetric graph of the words constituting the potential codeword, where nodes of the graph represent the words, and if the first word can become the second word by a transmission error, the first word is connected to the second word by a directed edge towards the second word. The method comprises selecting (103) a codeword from a lowest non-empty layer of the graph and adding (103a) the selected codeword to a codeword list. The method finally comprises encoding (104) the source data using the selected codeword from the list of codewords and initiating (105) a transmission of the encoded data.

The embodiment of the invention provides a retransmission method and device, electronic equipment, a storage medium and a program product. The method is applied to a receiver, and comprises the following steps: receiving at least one code block group sent by a transmitter, the code block group comprising a plurality of code blocks; determining an error code block group in the at least one code block group, wherein the error code block group comprises at least one error code block of a transmission error; transmitting retransmission information to the transmitter, the retransmission information being used for indicating retransmission of the at least one error code block, the retransmission information comprising first indication information and second indication information; wherein the first indication information is used for indicating whether the code block group is an error code block group, and the second indication information is used for indicating whether each code block in the error code block group is correctly transmitted. Through the method, the retransmission efficiency can be improved.