52results about How to "Reduce data error rate" patented technology

An FeRAM memory array wherein the plate lines run in the direction of word lines is described that provides a reduced plate line resistance in arrays having a common plate line connection. The lower plate line resistance reduces the magnitude of negative spikes on the plate line to reduce the potential for FeCap depolarization. Two or more plate lines of a plurality of columns of memory cells are interconnected along a bit line direction. Some or all of the plate lines of one or more columns of dummy memory cells may also be interconnected to reduce the plate line resistance and minimize any increase in the bit line capacitance for the active cells of the array. The improved FeRAM array provides a reduced data error rate, particularly at fast memory cycle times.

A method for associating time slots with links between network nodes of a wireless interconnected network, the data in the network being transmittable from a source node to a destination node on a time slot basis by association via hops or corresponding hop levels, wherein a main path having one network node per hop level and the corresponding links between the network nodes of adjacent hop levels is set from the source node to the destination node, and alternative network nodes having corresponding alternative links, which can be used in place of the main path for data transmission, are also set.

In order to generate a sampling clock having a higher accuracy, a synchronous signal generating circuit is provided with a phase error detector, detecting a phase error of a read out signal digitized on the basis of FDTS algorithm, and a VCO, controlling an oscillation frequency on the basis of a phase error detected by the phase error detector, to generate a synchronous signal by the VCO. On the basis of the synchronous signal generated by the synchronous signal generating circuit, an ADC digitizes the read out signal. The digitized read out signal is then converted to binary data by a detection circuit.

An apparatus for data recovery includes a multi-level comparison unit, a detection logic unit, and a data composer. The multi-level comparison unit compares an input signal with M different reference signal levels to generate M digital data, the number M being greater than or equal to 2. The detection logic unit is coupled to the multi-level comparison unit, and performs logic operations upon specified lengths over the M digital data obtained from the multi-level comparison unit. The data composer is coupled to the multi-level comparison unit and the detection logic unit. The data composer generates recovered data conforming with a run length encoding constraint based on the M digital data obtained from the multi-level comparison unit and the result obtained from the detection logic unit.

The invention discloses an automatic station detection method of a public transport vehicle in a line operation progress. The method comprises the steps of correctly judging station in all scenes to conduct detection according to a current station sequence number, a driving direction state, a local storage line station coordinate, a current station attribute and position data obtained after real-time updating. According to the automatic station detection method of the public transport vehicle in the line operation progress, in the process of public transport vehicle operation driving, a vehicle-mounted terminal obtains information such as the current vehicle position coordinate, an azimuth angle and speed after updating according to satellite positioning to automatically discriminate and adjust a current vehicle operation driving direction. A driving-in station and a driving-out station are judged, a current station sequence is updated, and line type stations including a conventional line, a loop line, a ladle-shaped line, an X-shaped line and the like can be automatically detected. Furthermore, various situations such as midway driving on the line, detouring and midway turning round can be automatically judged, and the accuracy of automatic station detection is ensured.

In a communication system using frequency hopping to transmit data packets, a transmission request from a transmitter is transmitted through a first control channel. The transmission request includes a frequency channel designation selecting one of plural data channels. A receiver that receives the transmission request sends a receive confirmation through a second control channel and the data packets are then transmitted through the data channels so that the data channel is changed each time a data packet is transmitted.

The invention discloses a device and a method for transmitting data of an electronic jacquard machine, and belongs to the technical field of control for jacquard machines. The device comprises a master controller, m lower computer CPUs (central processing units), m driving chips, mXn shift registers and m memories. When the device works, N data of an integral pattern are respectively transmitted to the memories of the m lower computer CPUs at first and then are transmitted to an electromagnetic driver board of the jacquard machine via the shift registers in a unified manner. An electronic jacquard machine with N needles is changed into the jacquard machine with N / m needles, transmission time is shortened to be 1 / m of original transmission time, work efficiency is greatly improved, and problems of high quantity of data of an existing electronic jacquard machine with high quantity of needles and slow speed are solved. In addition, data error rate can be minimized owing to data transmission and detection functions of the lower computer CPUs, and jacquard efficiency of the jacquard machine is improved.

The invention discloses a flexible arm system two-dimensional vibration control method. The method comprises the steps of: S1, establishing a Matlab GUI interface, dynamic process simulation of the flexible arm vibration; and S2, choosing the control method; the invention has to be more flexible to facilitate the observation arm dynamic performance, achieve real-time communication control module and the flexible arm vibration display module, serial data can be quickly transferred to the control module, while ensuring lower data error rate, a flexible arm vibration display module can receive timely control module sent control signal and rapid response to control signals and so on.

A data compensating method for a flash memory is provided. Firstly, a first threshold voltage distribution curve of the cells of the flash memory with a first storing state is acquired. Then, a second threshold voltage distribution curve of the cells of the flash memory with a second storing state is acquired. Then, a first occurrence probability of a first type ICI pattern of the first storing state is calculated according to a statistic voltage range and the first threshold voltage distribution curve. A second occurrence probability of the first type ICI pattern of the second storing state is acquired according to the statistic voltage range and the second threshold voltage distribution curve. During a read cycle, storing states of central cells corresponding to the first type ICI pattern are compensated according to the first occurrence probability and the second occurrence probability.

The invention discloses a PD boundary control simulation method for transverse vibration of a flexible mechanical arm. The method comprises the steps that a Matlab GUI interface is established on a PC; a partial differential equation is discretized based on a difference discretization method to simulate vibration of the flexible mechanical arm, and discretized data are transmitted to a control module through a serial communication module; the control module designs a PD boundary control algorithm according to the data and converts the PD boundary control algorithm into an electric signal, and the electric signal is transmitted back to the PC through a serial port. Accordingly, vibration data of the flexible mechanical arm can be monitored.

The invention discloses a time-dependent internal flow coupling method for controlling transverse and longitudinal vibration of marine oil delivery risers. The time-dependent internal flow coupling method includes simulating riser vibration interfaces on PC (personal computers) by means of programming by the aid of MATLAB GUI (graphical user interfaces); parsing mathematical models of the marine risers by the aid of a numerical analysis process; transmitting differential computation results to control modules; allowing users to select control modes according to data; generating corresponding control algorithms; enabling the control modules to transmit control signals and feed the control signals to the PC via serial ports so as to control the vibration of the risers. The time-dependent internal flow coupling method has the advantage that the two-dimensional vibration of the marine oil delivery risers can be observed by the aid of the time-dependent internal flow coupling method in real time.

The invention discloses a grounding resistance measurement instrument terminal data acquisition system and a method. The system comprises a PMP mobile terminal; the PMP mobile terminal is connected with at least one grounding resistance measurement instrument; and information acquired by the PMP mobile terminal is sent to a production management system via a wireless network module. Automatic grounding resistance measurement experiment data acquisition can be realized; manual intervention opportunities during the grounding resistance measurement experiment process is reduced; the data error rate caused by manual intervention is reduced, and workload of the grounding resistance measurement experiment is reduced; the grounding resistance measurement experiment steps are regulated; standardized management is carried out on the grounding resistance measurement experiment field work; and grounding resistance measurement experiment data are encrypted, and information leakage during the data transmission process can be avoided.

A method, a process and an audio system for embedding bit stream in a voice signal is disclosed. A voice / data interference signal is composed and supplied to the mixer of the voice signal and the data signal such that the resulting mixed signal effectively cancels the interference and allows the interference-free signal being transmitted to the audio signal receiver / decoder. The decoder may decode the data without interference errors. A method using profile shaping to mask the noise due to modulated carrier signal is also disclosed.

The invention provides a method for splitting data into N binary data, respectively performing error correction coding and scrambling operations, then performing binary direct-current balance coding,and finally synthesizing the N binary direct-current balance data subjected to error correction coding into M-ary direct-current balance data for data fault-tolerant transmission. The invention further provides a PAM-M fault-tolerant transmission system, forward data and reverse data are simultaneously transmitted on a cable, the forward data are subjected to M-ary direct-current balance encoding,the reverse data rate is lower than the forward data rate, the energy of the reverse data is in a low-frequency part of a frequency spectrum, and the energy of the forward data is in a high-frequencypart of the frequency spectrum. The beneficial effects of simplifying the circuit design and reducing the data error rate are achieved.

Disclosed is a biochip image analysis system which comprises an image storage unit for storing images including an original image of a biochip comprising a set of specific genes expressed in different environments by fluorescent bases of different colors; an image converter for converting the original image into a test image, forming an overlapped image and a color image, and storing the images in the image storage unit; an edge detector for separating the spot-formed genes from the test image, generating spot and background templates, and detecting an edge to measure expression degrees of the genes; a data processor for generating statistical data using the spot and background templates, and performing luminance correction; and a data storage unit for storing the statistical data.

The embodiment of the invention discloses a data standardization processing method and device and a storage medium, and the data standardization processing method comprises the steps: connecting a medical insurance database, obtaining the to-be-verified medical insurance data from the medical insurance database, wherein the to-be-verified medical insurance data comprises a plurality of medical insurance business fields and the corresponding medical insurance business data; Checking the to-be-verified medical insurance data through a preset corresponding rule, and judging whether the pluralityof medical insurance service fields correspond to the medical insurance service data or not according to the preset corresponding rule; And if not, performing iterative transformation on the medical insurance service data to obtain medical insurance data completely corresponding to a preset corresponding rule as standardized medical insurance data. the medical insurance service field and the medical insurance service data can be iteratively transformed according to the preset corresponding rule by establishing the preset corresponding rule, and the standardized medical insurance data matched with the preset corresponding rule is obtained, so that the corresponding error rate of the medical insurance data is reduced, and the standardization degree of the medical insurance data is improved.

The invention discloses an entity alignment method, device and system for multi-source knowledge graph fusion, and relates to the technical field of big data processing. The scheme comprises the following steps: extracting entity features of entities in a knowledge graph, generating an entity embedding matrix according to the entity features of the entities, and obtaining entity representation of the knowledge graph according to the entity embedding matrix; calculating relation information between the entity and the adjacent entity according to the entity representation, and enhancing the entity representation according to the relation information to obtain a complete entity representation; obtaining a final entity embedding matrix according to the complete entity representation; calculating a loss function according to the final entity embedding matrix and the data set; and processing the attribute information of the loss function and the entity by adopting a bidirectional global filtering strategy to generate an iterative positive sample set and an iterative negative sample set, and carrying out iterative training on the neural network model through the sample sets. According to the scheme, the technical problems of insufficient influence interaction and low-quality bootstrap between the entity and the relationship in the prior art are solved.

The invention discloses a PMP terminal with a uniform infrared data collection interface and an infrared data collection method. The PMP terminal comprises a data collection and input module connected with a PMP body, the PMP body is connected with a data output module, the data collection and input module comprises an infrared gauge uniform collection module, and the infrared gauge uniform collection module is used for connecting different infrared gauge devices with a PMP mobile terminal device body through RS 232, RS 422, RS 485, serial ports and USB user-defined extended port external interfaces. The PMP terminal has the advantages that infrared measurement test data are automatically collected, human intervention in the infrared measurement test process is reduced, the data error rate caused by human intervention is reduced, and infrared measurement test workload is lowered.

The invention discloses a large acceleration and deceleration conveying belt vibration PD control system with unknown disturbance. The large acceleration and deceleration conveying belt vibration PD control system comprises a conveying belt model analysis display module, a serial port communication module and a control module. The three modules are classified according to functions and are not absolutely independent on the aspect of programming. The conveying belt model analysis display module mainly utilizes a difference discrete method, is achieved through MATLAB GUI programming, and is displayed on a PC. The serial port communication module is embedded inside the conveying belt model analysis display module and the control module, and data communication between the conveying belt model analysis display module and the control module is guaranteed through the serial port communication module. The control module is located on an ARM development board and conducts data monitoring and control actions on a vertical tube model by utilizing an Android system. The large acceleration and deceleration conveying belt vibration PD control system with unknown disturbance achieves real-time dynamic displaying of vibration of a conveying belt and effect displaying after a control algorithm works, and is low in cost and more convenient to use.

The invention relates to a laser and video real-time coaxial correction system and method. The system comprises a laser optical axis monitoring unit, a video unit, a spectroscope unit, a laser opticalaxis correction unit and a control unit. The video unit images a target video; one part of the laser is emitted after passing through the spectroscope unit, the other part of the laser enters the laser optical axis monitoring unit, and the laser optical axis monitoring unit calculates a real-time deviation value between an optical axis of the laser and a position of a laser optical axis adjustingorigin; the control unit calculates the deviation value between the real-time position of the optical axis of the laser and the position of the laser optical axis adjustment origin, and makes the laser optical axis correction unit adjust the optical axis direction of the laser according to the deviation value. Real-time compensation of a laser emission optical axis and a target tracking optical axis can be realized, a target arrival power of a high-energy laser during target hitting is effectively improved, a data error rate of laser tracking ranging equipment is effectively reduced, and an influence of external vibration and other factors on coaxiality of the optical axis during laser emission is decreased.

The invention discloses a marine riser lateral vibration PD control simulation method which includes conducting discretization on a partial differential equation, then building the Matlab GUI interface on a personal computer to simulate vibration of the riser and collect vibration data of the riser, utilizing a serial port transmission control module to design the PC control algorithm according to the data and converting the algorithm into electric signals which are then transmitted to the PC. By means of the method, the interface can receive control signals transmitted by the control module timely and respond to the control signals quickly.

A data compensating method for a flash memory is provided. Firstly, a first threshold voltage distribution curve of the cells of the flash memory with a first storing state is acquired. Then, a second threshold voltage distribution curve of the cells of the flash memory with a second storing state is acquired. Then, a first occurrence probability of a first type ICI pattern of the first storing state is calculated according to a statistic voltage range and the first threshold voltage distribution curve. A second occurrence probability of the first type ICI pattern of the second storing state is acquired according to the statistic voltage range and the second threshold voltage distribution curve. During a read cycle, storing states of central cells corresponding to the first type ICI pattern are compensated according to the first occurrence probability and the second occurrence probability.

The disclosure provides an audio signal processing circuit and an audio signal processing method, adapted for processing the input signal of a speaker configured with a rated power. The audio signal processing circuit includes, but not limited to, an audio signal generator and a power adjuster. The audio signal generator provides an audio signal including a high-frequency signal and a middle and low-frequency signal. The power adjuster is electronically coupled to the audio signal generator, and adjusts the power of the high-frequency signal according to an enhanced power larger than the rated power without adjusting the power of the middle and low-frequency signal. The output signal of the power adjuster can be inputted into the speaker. Accordingly, the transmission range for the high-frequency signal can be improved.

The invention discloses an electric locomotive auxiliary control unit MVB (multifunction vehicle bus) network card which comprises an FPGA (field programmable gate array) chip as the core of the network card, an MVB operating circuit and a CAN / RS485 (controller area network / RS485) operating circuit. The MVB operating circuit and the CAN / RS485 operating circuit are matched with the FPGA chip. The FPGA chip, the MVB operating circuit and the CAN / RS485 operating circuit jointly realizes MVB / CAN protocol conversion. The alternating-current-transmission electric locomotive auxiliary control unit MVB network card has the advantages that no external wiring spaces are occupied, the network card is completely arranged inside an auxiliary control unit case, high in conversion efficiency and low in data error rate, the signal requirements of the locomotive can be fully satisfied, and the network is lower in cost compared with other like products while the same even better control effect is achieved.