194 results about "Transmission errors" patented technology

The invention relates to the technical field of circuit detection, discloses a power transmission line thermochromic wire clamp heating early warning method and system, effectively solves the problem of data acquisition distortion in a strong electromagnetic environment, and improves the accuracy of state evaluation through multi-source data fusion. The dynamically adjusted early warning model reduces the risk of false alarm and missing alarm caused by equipment aging, the intelligent decision support module shortens the fault handling response time, the data closed-loop mechanism ensures the reliability of the system in the whole life cycle, and the reliability of the system in the whole life cycle is improved through multi-sensor cooperative monitoring and edge calculation processing. And the influence of environmental factors on data acquisition is reduced. The two-channel transmission architecture guarantees the data transmission integrity under different network conditions, the CRC verification mechanism effectively recognizes and corrects transmission errors, a high-quality data basis is provided for a subsequent early warning model, the abnormal data recollection mechanism avoids data missing caused by single collection failure, and continuous and stable operation of the monitoring system is ensured.

The invention discloses an unmanned aerial vehicle communication terminal supervision method based on multi-source information fusion, and the method comprises the following steps: S1, multi-source information collection: collecting multi-source heterogeneous data of an unmanned aerial vehicle communication terminal in parallel, the multi-source heterogeneous data at least comprises terminal transmitting power, received signal strength (RSSI), signal-to-noise ratio (SNR), adjacent region interference strength, wireless link transmission error rate, terminal positioning data, flight state data and environmental meteorological data; and S2, information fusion and feature extraction: carrying out space-time alignment and normalization processing on the multi-source heterogeneous data collected in the step S1, inputting the data into an information fusion model for feature layer fusion, and outputting a group of fusion feature vectors capable of comprehensively representing the current operation state of the communication terminal. According to the invention, more reliable unmanned aerial vehicle communication terminal supervision can be realized.

The invention discloses a positioning method and device based on fusion of single Beidou navigation and a high-precision RTK technology, a medium and equipment in the technical field of satellite positioning. The positioning method comprises the following steps: determining single Beidou navigation information generated by a target receiver based on a single Beidou positioning device; extracting a pseudo-range observation value and a carrier phase observation value of the B1 / B2 frequency point; extracting a satellite number, epoch time, an ionosphere delay coefficient and a troposphere delay coefficient; determining delay deviation correction data of the Beidou satellite signal; total delay deviation in the signal transmission process is measured, and whether delay deviation correction is carried out or not is judged based on the dynamic delay threshold value model and the total delay deviation in the signal transmission process; and fusing the pseudo-range observation value of the receiver and the delay deviation correction data of the Beidou satellite signal, executing double-difference carrier phase calculation, and outputting a centimeter-level positioning result. According to the method, various transmission errors can be effectively eliminated, the positioning precision is remarkably improved, and the positioning continuity and stability are ensured.

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 invention relates to the technical field of wireless semantic communication, and discloses a semantic information transmission method, device and equipment and a storage medium, a sending end extracts features of to-be-transmitted data, and matches the features with vectors in a preset discrete vector codebook to obtain discrete feature vectors; and determining an orthogonal frequency division multiplexing time-frequency resource distribution grid according to the feature importance weights of the discrete feature vector and the initial feature vector, generating a sending signal, and transmitting the sending signal to a receiving end. And the receiving end inputs the semantic feature vector obtained after processing the received signal into the vector quantization variational self-decoder, and the semantic feature vector is matched with the vector in the discrete vector codebook again to correct the transmission error, thereby obtaining the reconstructed data to be transmitted. Discretization processing of the features is achieved through a discrete vector codebook, important semantic feature bits are quantized according to the importance weight of each feature and then distributed to orthogonal frequency division multiplexing for transmission, so that key semantic information is protected, and anti-interference transmission of the semantic information is achieved.

The invention discloses a dynamic signal synchronization control method and system for an energy scheduling network, and relates to the technical field of dynamic signal control, and the method comprises the steps: carrying out the analysis and disassembly of the energy scheduling network, and determining signal transmission delay data and signal transmission error data; configuring a first energy distribution vector; configuring a second energy distribution vector; fusing the first energy distribution vector and the second energy distribution vector, and configuring a regulation and control strategy matrix of an energy stable distribution level and a signal synchronization correction parameter; and performing multi-node cooperative control, and feeding back a regulation and control effect to the coordinated optimization network to iteratively optimize the attention weight. According to the invention, the technical problems of poor network coordination and weak anti-interference capability caused by low signal synchronization precision and unstable distribution of the energy scheduling network in the prior art are solved, and the technical effects of realizing dynamic synchronization and stable distribution of the signals in the energy scheduling network and improving the coordination and anti-interference capability of the network are achieved.

The invention relates to the technical field of data transmission, and discloses a multi-mode intelligent modulation data transmission method based on channel state perception, and the method comprises the steps: obtaining channel state data, and determining a channel state parameter and a fluctuation parameter of a channel according to the channel state data; determining a channel state comprehensive parameter according to the channel state parameter and the fluctuation parameter, and determining a modulation mode of transmission data according to the channel state comprehensive parameter; transmitting the transmission data according to the modulation mode, monitoring a signal transmission error rate and a signal transmission delay of the transmission data, and determining a coding parameter of the transmission data according to the signal transmission error rate and the signal transmission delay; and carrying out Huffman coding on the transmission data according to the coding parameters, and carrying out compression transmission on the coded transmission data. According to the invention, the optimal modulation mode can be selected for the channel state to modulate the transmission data, and the transmission data is compressed and transmitted through the signal quality, so that the data transmission efficiency is effectively improved.

The present disclosure relates to a CAN controller module. The CAN controller module is configured to detect transmission errors during transmissions of bits of a CAN frame via a CAN but and to handle these transmission errors robustly such that a high transmission rate is possible even if the transmission errors occur. The present disclosure also relates to a method for the CAN controller module.

Image series transformation for optimal compressibility is performed with neural upsampling and error resilience. A novel correlation network composed of convolutional layers for feature extraction that extract multi-dimensional features from the image and a channel-wise transformer with attention to capture complex inter-channel dependencies. An angle optimizer enhances compressibility of an image and an error resilience subsystem improves robustness against transmission errors and data loss. The error resilience subsystem applies forward error correction coding, data partitioning based on importance, and embeds error concealment hints. This hybrid approach addresses both local and global features, mitigates compression artifacts, improves image quality, and enhances data integrity during transmission. The correlation network incorporates error correction and concealment techniques during decoding. The model's outputs enable effective image reconstruction, achieving advanced compression while preserving information for accurate analysis.

The application discloses a layout method, device and equipment of a multi-connection gear in a new energy vehicle, a storage medium and a product, and belongs to the technical field of new energy vehicles. The method comprises the following steps: determining a gear arrangement space of a multi-connection gear of a new energy vehicle; determining a plurality of first candidate arrangement angles based on the gear arrangement space, wherein the first candidate arrangement angle is a candidate angle between gear shafts of the multi-connection gear; for any first candidate arrangement angle in the plurality of first candidate arrangement angles, determining a whole transmission error excitation of the multi-connection gear when the arrangement angle of the multi-connection gear is the first candidate arrangement angle, wherein the whole transmission error excitation is used to represent the degree of howling generated by the multi-connection gear; determining a first target arrangement angle with the minimum whole transmission error excitation from the plurality of first candidate arrangement angles based on the whole transmission error excitation of the multi-connection gear when the arrangement angle of the multi-connection gear is the plurality of first candidate arrangement angles; and determining arrangement information of the multi-connection gear based on the first target arrangement angle.

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.

A semiconductor memory device includes an array of memory cells, an on-chip error correction code (ECC) engine, a link ECC engine. The link ECC engine receives, in a write operation, a first codeword including first main data and first link parity data from a memory controller, generates a first syndrome including a plurality of syndrome bits based on the first codeword and a first parity check matrix based on the first ECC, generates a decoding status flag indicating whether a transmission error is detected in the first codeword using a property of the first syndrome based on regularity of the first parity check matrix while decoding the first syndrome, corrects an error bit of the first codeword based on the decoded first syndrome, and provides the first main data of the corrected first codeword to the on-chip ECC engine.

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.

The invention relates to the technical field of data transmission, and discloses a method and system for realizing U disk data transmission based on UWB communication, and the method comprises the steps: firstly obtaining equipment characteristic parameters corresponding to a target U disk, recognizing a UWB hardware identification code to determine a communication spectrum range, and dividing a wireless channel environment in combination with a scanning protocol to obtain an accessible frequency band; detecting interference intensity of each frequency band, and analyzing pulse fluctuation characteristics, a transmission error code threshold value and data retransmission times; determining a data attenuation threshold, analyzing a transmission time delay component and calculating a balance compensation index; determining a symbol synchronization path according to the index, and checking the phase deviation tolerance to determine the data transfer state; and finally, based on the state, checking file writing characteristics, and through anti-interference adjustment and time slot optimization, generating a UWB communication data transmission scheme. According to the invention, the USB flash disk data transmission distance, speed and scene adaptability can be improved.

The utility model discloses a connector, which belongs to the technical field of electrical equipment and comprises a main body and a wiring terminal. Wherein at least two connecting through holes are formed in the main body; each connecting through hole is provided with a wiring terminal, the wiring terminal comprises a connector part, the connector parts of different wiring terminals are different in outer diameter, the inner diameter of each connecting through hole is matched with the connector part of the corresponding wiring terminal, and the wiring terminal can penetrate through and be clamped in the corresponding connecting through hole. Therefore, the problem that the wiring terminal is difficult to accurately and quickly install to a correct position due to lack of a fool-proof mechanism in the prior art is solved. The wiring terminal is ensured to be accurately installed in place, the problems of circuit faults, signal transmission errors and the like caused by installation errors are avoided, and the electrical connection quality and the signal transmission stability of the connector are improved.

To provide an information transmission method, an information transmission device, an electronic device, and a readable storage medium capable of solving a problem in the related art that a transmission error occurs or a resource cannot be used due to a resource allocation collision when a MN and a SN are respectively controlled by different CUs.SOLUTION: This application provides an information transmission method, an information transmission device, an electronic device, and a readable storage medium. The information transmission method includes steps of: determining resource configuration coordination information by a first centralized unit; and transmitting a first message carrying resource configuration coordination information to a second centralized unit by the first centralized unit.SELECTED DRAWING: Figure 9

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.

The invention discloses a composite intelligent cable for the Internet of Things, and relates to the technical field of cables, a plurality of sensing optical fibers and a communication wire core are compositely twisted through a second wrapping protection layer, and a tensile layer is arranged on the outer side of the sensing optical fibers, so that the cable has high-quality tensile protection on the optical fiber wire core; the tensile-sensing integrated design is realized; mechanical stress is dispersed, dynamic parameter accurate monitoring is achieved through the integrated sensing optical fiber, the tensile strength is improved, the bending life is prolonged, and meanwhile the transmission error rate is effectively reduced. The cable storage frames are arranged at the two ends of the cable, the redundancy release amount of optical fibers can be effectively increased, the fracture rate of the optical fibers is reduced, and signal attenuation caused by bending of the sensing cable cores is reduced in combination with the elastic supporting pieces.

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.

Instead of risking interface failures caused by power degradation, all channels between the controller and the storage device (both in-band and side-band channels) are continuously monitored. This monitoring includes extracting relevant clues and using a predictive model that correlates the monitored clues with the subsequent occurrence of power degradation events. In response to the prediction results, the system can perform various remediation processes (countermeasures). The controller monitors various clues from the storage element and the power supply to predict an event with marginal signal integrity degradation at the interface. The monitoring and mitigation strategy is based on an open system. The controller does not use a continuous real-time feedback channel from the storage device that could signal pass / fail conditions.Given the nature of an open system and the calibration tolerance for the data acquisition, processing, and inference system, the controller must also be able to cope with false positive events.