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32results about How to "Overcoming scalability" patented technology

Input method and input method system

The invention provides an input method and an input method system. The input method comprises the following steps that: when indicating signals used for indicating that a preset expansion word stock is started by the input method are identified, the preset expansion stock is started; the searching is carried out in the expansion word stock and the common word stock according to the user input codes received by the input method, and candidate words corresponding to the codes are obtained; and the candidate words corresponding to the codes are output. When the input method and the input method system are implemented, the expansion searching is carried out in the preset word stock, in addition, the common use word stock can also be compatible with the expansion word stock, and more special input requirements of users can be met.
Owner:SHENZHEN SHI JI GUANG SU INFORMATION TECH

Field bus-based PAC (Programmable Automation Controller) industrial robot control system

The invention discloses a field bus-based PAC (Programmable Automation Controller) industrial robot control system which comprises a robot axis servo control unit, a high-speed real-time Ethernet field bus, a man-machine interaction, a PAC, and a plurality of input-output modules, wherein the robot axis servo control unit is used for controlling and driving axle joints of manipulators of an industrial robot, the PAC is used for controlling the robot axis servo control unit and the man-machine interaction unit respectively and are respectively connected with the robot axis servo control unit and the man-machine interaction unit, and the plurality of input-output modules are extensibly arranged and are respectively connected with the robot axis servo control unit through the high-speed real-time Ethernet field bus. The system can be used for overcoming the defects of being unreasonable in structure, inconvenient to install and maintain, low in reliability, poor in precision, high in cost, poor in extensibility and the like in the prior art, so as to realize the disadvantages of being reasonable in structure, convenient to install and maintain, high in reliability, good in precision, low in cost and good in extensibility.
Owner:苏州东控自动化科技有限公司

Optical network system, optical line terminal, optical network unit and optical distribution network device

The invention provides an optical network system, an optical line terminal, an optical network unit and an optical distribution network device. The optical network system comprises the optical line terminal, an optical distribution network and the optical network unit, wherein the optical line terminal is used for modulating and codling at least one path of descending signal subjected to the time-division multiple, outputting the coded signals after combining the coded signals into one path, receiving ascending signals and outputting the ascending signals after decoding the received ascending signals; the optical distribution network is used for outputting the received ascending signals after dividing the received ascending signals into multiple paths and outputting the received ascending signals to the optical line terminal after converging the received ascending signals into one path; the optical network unit is used for receiving the ascending signals output by the optical distribution network, outputting the received descending signals after decoding the received descending signals, coding a path of time-division multiplexing ascending modulation signals and outputting the coded signals to the optical distribution network; and the optical distribution network can decode the descending signals and code the ascending signals. The invention can realize a mixed passive optical network system based on time-division multiplexing technology and optical code division multiple access technology.
Owner:ZTE CORP +1

Privacy protection method based on blockchain cloud outsourcing computing data

The invention discloses a privacy protection method based on blockchain cloud outsourcing computing data, and mainly solves the problem of high time complexity and scalability of the data privacy protection technology in the current cloud outsourcing computing process. The technical scheme is of using log information of a computing node to construct a blockchain, and using the blockchain technology to perform secure storage verification of the computing data; using the quorum technology to select a suitable computing node set for each round of computing to complete the computing task; and adopting a secure multi-party computing method based on threshold secret sharing to segment and reconstruct secret information. The privacy protection method based on blockchain cloud outsourcing computing data in the invention overcomes the problem that in the prior art, the computing network lacks the scalability and security and the complexity of the data verification process is high; and the scalability of the computing network and the efficiency of the computing process are greatly improved while the data privacy can be effectively ensured.
Owner:XIDIAN UNIV

Flexible micro-service monitoring framework architecture

The invention discloses flexible micro-service monitoring framework architecture. On the basis of combination of advantages of the traditional distributed system monitoring technology and the distributed system tracking technology based on the service invoking chain, innovation points of a configuration management center, a micro-service instance client agent, and a reusable monitoring alarm template and the like are provided, so that defects of monitoring information incompleteness, low flexibility, and low extensibility and the like are overcome. With a non-intrusive service mode, the customization capability and reliability of the collection are improved. On the basis of a warning processing strategy issued by configuration and a reusable alarm policy template, the customized extensionprocessing capacity of warning is enhanced. According to a cluster analysis algorithm, statistic analysis is carried out on real-time and historical data and intelligent alarm and determination are carried out, so that the warning accuracy is improved. The flexible micro-service monitoring framework architecture has an important practical significance in ensuring the safe and stable operation of power system application services.
Owner:NARI INFORMATION & COMM TECH

Light-emitting diode and method of preparing the same

The invention discloses a LED, which comprises: a sapphire substrate, a GaN buffer layer, an N / P-type GaN / ohmic contact layer, an InGaN / GaN quantum trap active layer, and a concentric P-type ohmic contact transparent electrode with grooves between near ring electrodes manufactured by dry etching. This invention makes even current injection, increases probability of side-surface light, reduces reflection angle, and thereby decreases greatly light energy loss.
Owner:EPILIGHT TECH +1

Sensor communication system and method for conducting monitoring through same

The invention relates to a sensor communication system and a method for conducting monitoring through the sensor communication system. According to the system and the method, behaviors of livestock in a real cultivation scene can be monitored and analyzed by integrating the internet of things with the computer visual technology, a video surveillance and sensor network software and hardware system based on the wireless WiFi technology is set up for the first time, and the problem that a traditional cable is high in installation cost, long in consumed time and difficult to expand is solved. The behaviors of dairy cattle in the real cultivation scene can be monitored and analyzed by integrating the internet of things with the computer visual technology, monitoring and analysis for multiple broad categories of daily behaviors can be achieved, meanwhile, the occurrence of abnormal events can be monitored, and an alarm can be automatically given for the abnormal behaviors.
Owner:HEBEI FENGLIAN INFORMATION TECH

Cloud platform management monitoring system and method

ActiveCN102970164AMonitor operationMonitor and manage operationsData switching networksThree levelMonitoring system
The invention discloses a cloud platform management monitoring system and method. The cloud platform management monitoring system mainly comprises a three-level firewall module used for effectively blocking cracker invasion, an information monitoring module used for intercepting pornographic pictures, and a service charging module used for detecting resource charging condition in real time and taking measures in a very short time to recover normal charging. The cloud platform management monitoring system and method can overcome the defects of small application range, poor generality, poor expansibility and the like in the prior art and has the advantages of large application range, good generality and good expansibility.
Owner:四川电子科技大学教育发展基金会

A CF recommendation method fusing matrix decomposition and user project information mining

The invention provides a CF (collaborative filtering) recommendation method fusing matrix decomposition and user project information mining. The CF recommendation method comprises the following steps:reading historical score data and project type data information of a user on an article; based on the FunkSVD model, optimizing and decomposing the user score matrix, and adding a similarity factor to calculate and generate a user score prediction matrix; calculating optimal similarity by optimizing CF users and project information occupying different proportions, predicting user scores, and generating Top-N recommendation lists. The method has the advantages that (1) the user scoring matrix is optimized and decomposed based on the FunkSVD model, and the trust factor is added to predict the user scoring matrix, so that the problem of low prediction accuracy caused by data sparseness of a traditional matrix decomposition model is relieved; (2) similarity is calculated based on the user information and the project information, and the problem of cold start caused by excessive dependence on historical data in a traditional recommendation algorithm is solved; and (3) a trust degree relationship between users is introduced, so that the recommendation precision and interpretability of a traditional CF recommendation algorithm are improved.
Owner:BEIJING UNIV OF CHEM TECH +1

Multi-input transformation-based dual-layer active balance circuit and implementation method

The invention discloses a multi-input transformation-based dual-layer active balance circuit and an implementation method. The multi-input transformation-based dual-layer active balance circuit comprises a microcontroller, bottom-layer balance units, a top-layer balance unit and switching relays; the microcomputer sends a path of PWM signals to control the bottom-layer balance units to work alternately under a charge state and a discharge state, so that energy balance between adjacent battery units can be realized; the microcontroller sends two paths of identical PWM signals to control the top-layer balance unit to work alternately under a charge state and a discharge state, so that energy balance between adjacent battery modules can be achieved; and the microcontroller sends two paths of switching signals to control the switching of the relays, so that the moving direction of energy balanced between adjacent modules can be controlled. With the multi-input transformation-based dual-layer active balance circuit and the implementation method of the invention adopted, the inconsistency of the battery units and the inconsistency of the battery modules can be effectively improved, and the problems of low balance efficiency, low balance speed and difficulty in modular expansion of a traditional balance circuit can be solved.
Owner:SHANDONG UNIV

Power line carrier communication chip established by utilizing singlechip

The invention relates to a power line carrier communication chip established by utilizing a singlechip. The singlechip and an internal high-speed timer are utilized to generate digital frequency modulating signals, carrier signals are output through an IO interface, amplified by a carrier power amplifier and coupled with a power line; an frequency modulating receiver of carrier signal is MC3371 or MC 3372; a receiving band-pass filter is formed by a C2, a T2 and the like; a limiter circuit is formed by a D1 and a D2; a C5, a R3 and the like are used for receiving the amplified carrier signalswhich enters the 16th terminal of a U2 through a C6 for first frequency mixing; first local oscillation frequency coming from a carrier chip is input into the first terminal of the U2 after limited by a R12, and the signals after frequency selection are input into the fifth terminal of the U2 and then amplified in a first intermediate frequency amplifier; a second local oscillation frequency is fed in the eighth terminal of the U2 through a R10 and a R11, output from the ninth terminal after being filtered by an amplifier inside the U2, then input into the band-pass filter from the tenth terminal, output from the eleventh terminal after being filtered and amplified by a filter, and transmitted to an AD converter of a U1; and the intensity of received signal is output from the thirteenth terminal of the U2.
Owner:昆明天龙经纬电子科技有限公司

Hybrid layering P2P static network

The invention discloses a secondary P2P static network for a mixed layer. The P2P static network comprises a structurized P2P top network and a non-structurized P2P down network. The structurized P2P network is an annular structure (3) composed of virtual nodes numbering k; and the non-structurized P2P network is an annular distributing structure composed of group structures numbering k. Each group structure is composed of super nodes numbering m and common nodes numbering n. All the super nodes in each group structure are all provided with routing lists; and the routing lists commonly finish message passing among all the virtual nodes in the top network. The common nodes in the down network are connected randomly; the super nodes are connected mutually, and each common node is at least connected with a super node. Each virtual node of the up network is corresponding to one group structure; and all super nodes in each group structure commonly finish the maintenance of the virtual nodes and the management of the common nodes in the group. The P2P static network has the advantages of high efficiency and strong stability, and can be used as a sub structure of resource distribution and network query.
Owner:XIDIAN UNIV

System and method for processing primary-level medical information based on edge computing

The invention relates to the technical field of information, in particular to a system and method for processing primary-level medical information based on edge computing. According to the method, cloud service is combined with edge computing, and data acquisition and data processing are dispersed through edge computing, so network flow is reduced, a data processing speed is greatly improved, andsecurity is enhanced. The system for processing primary-level medical information based on the edge computing in the invention comprises at least one medical health cloud data center, at least one medical institution service station, at least one business data edge processing device and at least one medical system application terminal, wherein the medical system application terminal realizes the functions of quick response to a business request, service system docking and complex computing cloud platform interaction through a local area network via the business data edge processing device, andprocessing responsibilities associated with received data can be segmented or divided between the business data edge processing equipment and a target mobile device.
Owner:HANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI

Wavelength-allocation-based three-dimensional optical on-chip network router communication system and method

The invention relates to a wavelength-allocation-based three-dimensional optical on-chip network router communication system and method. The communication system employs a photoelectric mixing type 3D mesh network topological structure and a novel seven-port clog-free optical router capable of realizing multi-wavelength communication; and when the system is applied to a three-dimensional optical on-chip network, no wavelength conversion is needed. Because of utilization of the optical router, the consumed number of optical devices like micro ring resonators and waveguides and the like is reduced. Besides, according to the communication method, when a node of each layer sends out an optical signal, the employed wavelengths are identical; and optical signals with all wavelengths can be received at all layers, so that problems of severe network congestion, low link utilization rate, and limited expansibility due to utilization of single wavelength communication by the existing optical on-chip network architecture can be solved. Therefore, with the system and method, the network congestion probability can be reduced; the communication delay can be reduced; and the throughput capacity and network saturation point can be improved.
Owner:XIDIAN UNIV

Service tag extension method in big data environment

The invention belongs to the technical field of Internet data acquisition and application, and provides a service tag extension method in a big data environment. The service tag extension method includes the steps that the content of actual service is obtained, and a tag representing the service is extracted out; the tag is retrieved through a search engine to obtain an initial set of key words and webpage addresses (URLs) related to the tag; all the keywords and the URLs in the initial set are calculated according to K center distance, naive Bayes and pointwise mutual information algorithms to obtain weights; whether the weights meet a certain threshold value or not and are added into a result set of the tag or not is judged; whether the scale of the result set is larger than or equal to a scaled threshold value is judged. The service tag extension method has the advantages that a servicer can extend the service tag and the keywords and the URLs belonging to the tag conveniently through simple operation, the production efficiency is greatly improved, and requirements of development of various services are met.
Owner:CHINA TELECOM SHANGHAI IDEAL INFORMATION IND GRP

Editing method based on C# and irrelevant to data types

The invention provides an editing method based on C# and irrelevant to data types. The method comprises the following steps: developing a definition of a type according to a data dictionary defined in advance; instancing for generating an internal storage object of the type during a program running process; relating the internal storage object with a Property Grid; acquiring member variable information of the internal storage object by the Property Grid through a reflex mechanism; displaying the data of all member variables in the Property Grid in different editing modes and supplying editing functions for different styles to all the member variables.
Owner:CHINA TECHENERGY +1

Multi-robot synergic movement control method

The invention provides a multi-robot synergic movement control method. A two-dimensional grid graph is used for representing a robot work area; the work area is decomposed into blocks; a synergic control algorithm and a real-time heuristic algorithm are used for enabling each robot to find the next position with least cost, meeting total CTL and capable of moving to a target location, static obstacles can be avoided at real time, and the target location is reached by synergic movement. A solver is not required for a solution, the solution of simplifying problem is considered from the angle ofa grid method, CTL and LTL, and cartographic representation is based on grid, that is, the entire environment is divided into a plurality of grids of the same size. Entire environment information doesnot need to be known in advance, and robots can perceive environment information in the range of a sensor and can communicate with robots in communication range. The defect of system lacking robustness and scalability caused by central control is overcome, and multi-robot synergic movement is achieved.
Owner:XIDIAN UNIV

Cognitive radio network anti-hostile interference cooperative broadcasting method based on non-coordinated frequency hopping

The invention provides a cognitive radio network anti-hostile interference cooperative broadcasting method based on non-coordinated frequency hopping, and relates to wireless network communication. The provided cognitive radio network anti-hostile interference cooperative broadcasting method based on non-coordinated frequency hopping is applied to a cognitive radio network on the premise of having no influence on expandability and communication efficiency of the network. The cognitive radio network anti-hostile interference cooperative broadcasting method based on non-coordinated frequency hopping is characterized in that firstly, a source node and a non-coordinated frequency hopping technology switched in a cognitive user random selection channel are adopted, so that the hostile interference of the radio network can be resisted, and meanwhile, the problems of poor expandability, low safety and the like caused by needing advance sharing of secret keys in a conventional frequency hopping technology are solved; and secondly, a cooperative broadcasting mechanism among cognitive users is introduced, namely, the cognitive users completing broadcast message receiving help the source node to transmit the broadcast message to other cognitive users in the network, and thus the communication efficiency of the cognitive radio network is improved.
Owner:XIAMEN UNIV

Ultrasonic combined adaptive anti-fatigue precision machining system and method of multi-curvature curved surface

The invention discloses an ultrasonic combined adaptive anti-fatigue precision machining system and method of a multi-curvature curved surface, and belongs to the field of mechanical precision machining common technologies. The ultrasonic combined adaptive anti-fatigue precision machining system and method of the multi-curvature curved surface aim to solve the technical problem of how to machine acurved surface of a key part with the multi-curvature curved surface while guaranteeing that the part has the anti-fatigue performance of a part with the multi-curvature curved surface. According tothe adopted technical scheme, the ultrasonic combined adaptive anti-fatigue precision machining system structurally comprises a flexible grinding head device and a control unit. The control unit is electrically connected with and has control over the flexible grinding head device, an ultrasonic coupling agent circulation structure and an impact vibration structure. The flexible grinding head device is used for machining the multi-curvature curved surface of the part. The control unit is used for having control over the working state of the flexible grinding head device. The flexible grinding head device comprises a flexible adjustment box body, the ultrasonic coupling agent circulation structure and the impact vibration structure. The impact vibration structure is arranged in the flexibleadjustment box body. The interior of the flexible adjustment box body communicates with the ultrasonic coupling agent circulation structure. The invention further discloses the ultrasonic combined adaptive anti-fatigue precision machining method of the multi-curvature curved surface.
Owner:QILU UNIV OF TECH

Trusted platform module aiming at trusted embedded system

InactiveCN103927488AOvercoming the disadvantage of being difficult to expandEasy to testDigital data protectionPlatform integrity maintainanceTrusted Platform ModuleSoftware
The invention discloses a trusted platform module aiming at a trusted embedded system. The trusted platform module aiming at the trusted embedded system comprises a tdd1 module, a tpmd module, a tpmd-dev module, a coding and decoding module, a cryptology module, a storage module and an executing engine module. The trusted platform module is provided with seven modules including the tdd1 module, the tpmd module, the tpmd-dev module, the cryptology module, the storage module and the executing engine module, in practical use, the modules are compiled and transplanted into an embedded system platform, no special hardware conditions are required, and the defect that the trusted platform module is hard to expand when a trusted embedded computation platform based on a physical TPM (trusted platform module) is overcome. Every module of the trusted platform module is encoded by software, easiness in realization, modification and expanding is achieved, and the problems of complexity in realization in a hardware manner and difficulty in expanding of the trusted platform module are solved; an entity can access to the trusted platform module in tdd1, tpmd and tpmd-dev manners, the access manners are flexible, and functions of the trusted platform module are easy to test and manage.
Owner:XIDIAN UNIV

Computer software system for processing diagnosis process

ActiveCN104331632AComplete coverage of medical proceduresCovering various diseasesSpecial data processing applicationsComputer moduleClinical pathway
The invention discloses a computer software system for processing a diagnosis process. The problems of narrow medical process coverage, nonstandard and abnormal properties of the present system are solved. The computer software system comprises a workflow file input module, a moveable execution control module, an output interface module, a workflow file analyzing module, a workflow instancing module, an engine interactive and managing module and an engine scheduling and executing module. The computer software system for processing the diagnosis process is connected with an external client through a distributed network; the workflow instancing module, the moveable execution control module, the engine interactive and managing module and the engine scheduling and executing module are utilized to schedule the execution of the diagnosis process; the workflow file input module and the workflow file analyzing module are utilized to introduce and analyze the workflow; the output interface module is utilized to outward output process executing data. The computer software system combined with the clinical pathway, the workflow engine and the rule engine can supply wide-coverage and standard diagnosis process control and management to medical personnel.
Owner:西安电子科技大学青岛计算技术研究院

Vehicle custom mode implementation method and device, electronic equipment and storage medium

PendingCN114070880AOvercoming scalabilityOvercoming technical issues with poor developmentBus networksComputer hardwareEmbedded system
The invention discloses a vehicle custom mode implementation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a vehicle custom mode, and determining a target service corresponding to the vehicle custom mode; detecting whether the vehicle custom mode is triggered or not; and when it is detected that the vehicle custom mode is triggered, sending a function instruction to the target service according to the mapping relation between the vehicle custom mode and the target service. According to the method and the device, the technical problem that the expansibility and the development performance of realizing the vehicle custom mode in the prior art are relatively poor is solved.
Owner:SAIC-GM-WULING AUTOMOBILE CO LTD

A group label authentication method based on secondary residual lightweight RFID

The invention discloses a group label authentication method based on secondary residual lightweight RFID, and mainly solves the problems of high communication overhead, low authentication efficiency and poor expansibility in the existing RFID group label authentication. The method comprises the following steps: firstly, initializing parameters, storing a private key encryption value of a tag in abackground database in a pre-calculation manner, then realizing bidirectional authentication between a reader and an electronic tag in a broadcast group authentication manner, and finally, generatinga group proof by the reader, and carrying out legality verification on a tag group. Compared with the prior art, the method has the advantages that the calculation amount of the electronic tags and the consumption of hardware resources are reduced, the communication safety is ensured, the efficiency and the expansibility of the reader for authenticating the plurality of tags are improved, and theapplication range is wider.
Owner:XIDIAN UNIV

Similar base sequence query method based on editing distance in cloud environment

The invention discloses a similar base sequence query method based on an editing distance in a cloud environment. The method is mainly used for solving the problem of finding similar base sequences from massive electronic records of cloud when the cloud is not completely credible. The method comprises the realization steps of (1), calculating a single character operation set of user base sequences; (2), carrying out clustering; (3), carrying out hash mapping on the user base sequences and a clustering center; (4), calculating the single character operation set of to-be-queried base sequences; (5); carrying out hash mapping on the to-be-queried base sequences; (6), selecting candidate clients; (7) and searching the similar base sequences. According to the method, the similar base sequence query method based on the editing distance in the cloud environment is applied to the cloud environment. Compared with the traditional similar base sequence query method, the method provided by the invention has better extensibility and scalability; the security of the base sequences in the cloud environment is ensured; and the consumption of the hardware resources is reduced.
Owner:XIDIAN UNIV

Software implementation method and system of SOC chip, electronic equipment and storage medium

The invention discloses an SOC chip software implementation method and system, electronic equipment and a storage medium, and the method comprises the steps: presetting physical information corresponding to each peripheral device, so as to obtain a corresponding relation; acquiring current physical information; identifying the current peripheral device according to the acquired current physical information of the current peripheral device and the corresponding relationship; and configuring the current peripheral device. By presetting the corresponding relation between the peripheral device andthe physical information, the SOC chip can identify the current peripheral device according to the current physical information and the corresponding relation when being powered on. According to themethod, the defects of high cost, poor flexibility and low expandability caused by configuring peripheral devices in a macro definition mode in the prior art are overcome; the currently used peripheral device is accurately identified through one software mirror image file, and the corresponding peripheral device can be further configured according to the identified peripheral device, so that the flexibility and the expandability of the electronic system are improved.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD

A high-low frequency cooperative networking system and method

ActiveCN109089267AExpand coverageOvercoming Spectral InefficiencyNetwork planningUser needsFrequency spectrum
A high-low frequency cooperative networking system and method comprises a low-frequency control soft base station, a central controller, a high-frequency control soft base station and a user. The method comprises the following steps: (1) accessing a user; (2) sending a data service request; (3) forwarding the data service request; (4) determining a target high frequency data soft base station; (5)judging whether a network slice satisfying the needs of the user exists, if so, executing the step (7), otherwise, executing the step (6); (6) constructing network slices to meet the needs of users;(7) scheduling network slices to meet user needs; (8) service of user receiving data. The system of the invention greatly improves the overall spectrum efficiency of the system while improving the coverage range of the network area. The method of the invention has flexible expansibility to realize centralized management and control of the whole network, and at the same time enables users to obtainbetter service experience.
Owner:XIDIAN UNIV

Fast Hadamard transform device and method

The invention discloses a fast Hadamard transform device and a fast Hadamard transform method. The device comprises a control signal generating unit and a plurality of stages of computing units, wherein the control signal generating unit is used for generating control signals and outputting a corresponding control signal to each stage of computing unit; the plurality of stages of computing units are used for performing butterfly computation on input signals according to the control signals and outputting fast Hadamard transform results; each stage of computing unit comprises a first shift register, an addition and subtraction computing unit, a second shift register and a data selector, wherein the first shift register is used for delaying one input signal and outputting a delayed input signal; the addition and subtraction computing unit is used for receiving the non-delayed input signal and the delayed input signal and performing addition computation and subtraction computation on the non-delayed input signal and the delayed input signal to obtain an addition computation result and a subtraction computation result; the second shift register is used for delaying the subtraction computation result and outputting the delayed subtraction computation result; and the data selector is used for receiving the control signal and selectively outputting the addition computation result or the delayed subtraction computation result according to the control signal.
Owner:北京韦加航通科技有限责任公司

Video signal real-time intercepting, processing and displaying method and device

The invention provides a video signal real-time intercepting, processing and displaying method and device. The video signal real-time intercepting, processing and displaying device comprises a video signal intercepting device, a video signal collecting device, a signal processor, a video signal generator and a displaying device, wherein the video signal intercepting device is used for intercepting a video signal outputting by an electronic device to the displaying device; the video signal collecting device is used for collecting the video signal and converting the video signal into digital video data; the signal processor is used for performing real-time signal processing on the digital video data; the video signal generator is used for converting the digital video data subjected to the real-time signal processing into a video signal capable of driving the displaying device to perform display; the displaying device is used for displaying the output video signal subjected to processing. The invention further provides the video signal real-time intercepting, processing and displaying method. By means of the video signal real-time intercepting, processing and displaying method and device, data output by the specific electronic device to the displaying device can be extracted in real time, functions and applications of the existing device can be expanded by performing real-time signal processing on the data, and development of specific real-time applications based on the display data of the device is achieved.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Data synchronization method and device

The invention discloses a data synchronization method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: executing a data synchronization task; if the execution of the data synchronization task fails, matching a degradation rule according to an execution failure reason of the data synchronization task, and judging whether to perform degradation processing on the data synchronization task according to the degradation rule; if yes, carrying out degradation processing on the data synchronization task; and if not, recording an execution failure reason of the data synchronization task. According to the embodiment, the technical problem that the system expansibility is poor or manpower and material resources are consumed can be solved.
Owner:BEIJING WODONG TIANJUN INFORMATION TECH CO LTD +1
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